CLASS 84, MUSIC |
1 | INSTRUMENTS: |
This subclass is indented under the class definition. Patents not classified in any of the subclasses below. | |
600 | . Electrical musical tone generation: |
This subclass is indented under subclass 1. Subject matter including means for generating or modifying
electric currents or potentials to produce varying electric currents
or potentials in combination with, or intended for converting the
varying electric currents or potentials into sound vibrations for
the production of musical tones.
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601 | .. Data storage: |
This subclass is indented under subclass 600. Subject matter wherein tone characteristic informations
such as timbre, envelope, harmonic contents, pitch or etc., are
retained and retrievable to produce musical tone.
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602 | ... Digital memory circuit (e.g., RAM, ROM, etc.): |
This subclass is indented under subclass 601. Subject matter wherein the tone characteristic information
is stored by digital memory circuit in a discrete format (e.g.,
RAM, ROM, etc.) to produce musical tone.
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603 | .... Sampling (e.g., with A/D conversion): |
This subclass is indented under subclass 602. Subject matter wherein an analog sound is digitized and
stored for future retrieval.
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604 | .... Waveform memory: |
This subclass is indented under subclass 602. Subject matter wherein a waveform is digitally stored. | |
605 | ..... Read out at different rates: |
This subclass is indented under subclass 604. Subject matter wherein the waveforms are read out from memory
at various rates that correspond to desired pitches.
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606 | ..... Read out at fixed rate: |
This subclass is indented under subclass 604. Subject matter wherein the waveforms are read out from memory
at a constant rate.
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607 | ..... Recursive algorithm: |
This subclass is indented under subclass 604. Subject matter wherein a plural period waveform is achieved
by rereading the same waveform from the same memory location.
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608 | .... Fourier coefficient memory: |
This subclass is indented under subclass 602. Subject matter wherein storage locations are provided for
the Fourier coefficients.
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609 | .... Note sequence: |
This subclass is indented under subclass 602. Subject matter wherein a succession of musical notes is
sequentially processed by digital memory circuit for performance
or comparison.
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610 | ..... Accompaniment: |
This subclass is indented under subclass 609. Subject matter wherein the stored sequence is used as a musical support for a voice or melody. | |
611 | ...... Rhythm: |
This subclass is indented under subclass 610. Subject matter wherein the information represents the timing intervals of the musical piece. | |
612 | ....... Tempo control: |
This subclass is indented under subclass 611. Subject matter wherein the rate or speed of rhythm is variable. | |
613 | ...... Chords: |
This subclass is indented under subclass 610. Subject matter wherein the note sequence contains a plurality of notes played simultaneously. | |
614 | ...... Reiteration: |
This subclass is indented under subclass 610. Subject matter wherein the plural tones are repetitively played in sequence. | |
615 | .... Selecting circuits: |
This subclass is indented under subclass 602. Subject matter comprising a circuit which selects any musical parameter, e.g., pitch, timbre, etc. | |
616 | ..... Fundamental tone detection or extraction: |
This subclass is indented under subclass 615. Subject matter wherein the fundamental or pitch is detected and used to activate or modify a musical system. | |
617 | ..... Multiplexing or scanning: |
This subclass is indented under subclass 615. Subject matter wherein the selecting circuits are assigned
by time division multiplexing or scanning.
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618 | ..... Priority or preference circuits: |
This subclass is indented under subclass 615. Subject matter wherein a plurality of musical notes or keys
are selected with a certain note or notes having precedence over
others selected e.g., highest or lowest notes having priority over
any other selected, etc.
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619 | ..... Transposition: |
This subclass is indented under subclass 615. Subject matter wherein a musical piece is written or performed
in a key other than the original or given key.
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620 | ..... Stops: |
This subclass is indented under subclass 615. Subject matter wherein a circuit or system selects a musical voice, tone color, timbre or electrically simulated organ pipe sound. | |
621 | .... Noise reduction (e.g., error prevention, etc.): |
This subclass is indented under subclass 602. Subject matter wherein circuitry is provided to reduce electrical
noises, transients or unwanted disturbances.
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622 | .... Tone synthesis or timbre control: |
This subclass is indented under subclass 602. Subject matter wherein the harmonic content of a note is
controlled or modified.
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623 | ..... Time varying or dynamic Fourier components: |
This subclass is indented under subclass 622. Subject matter wherein the Fourier components are time varying
or dynamic.
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624 | ..... Modulation: |
This subclass is indented under subclass 622. Subject matter wherein tones are synthesized or modified
by varying a carrier wave in accordance with a modulation wave.
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625 | ..... Mixing: |
This subclass is indented under subclass 622. Subject matter wherein two or more signals are combined
to form a composite waveform.
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626 | .... Expression or special effects (e.g., force or velocity responsive, etc.): |
This subclass is indented under subclass 602. Subject matter for providing an indication of feeling or
artistic execution to the musical tones.
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627 | ..... Envelope shaping (i.e., attack, decay, sustain or release): |
This subclass is indented under subclass 626. Subject matter for providing or modifying an amplitude contour
of an activated tone.
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628 | ..... Portamento or glissando: |
This subclass is indented under subclass 626. Subject matter for producing an audible continuous glide from one tone to a second tone. | |
629 | ..... Vibrato or tremolo: |
This subclass is indented under subclass 626. Subject matter wherein an audio tone is frequency or amplitude
modulated with a subaudio frequency.
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630 | ..... Reverberation: |
This subclass is indented under subclass 626. Subject matter for providing time delays that simulate a
plurality of acoustic reflections of a given tone; e.g., echo, etc.
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631 | ..... Chorus, ensemble, or celeste: |
This subclass is indented under subclass 626. Subject matter providing for the combining of a slightly
detuned tone with the original tone.
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632 | ..... Chiff or percussive transients: |
This subclass is indented under subclass 626. Subject matter wherein transients are introduced into the initial sounding portion of the envelope to simulate the hiss or noise of an organ pipe. | |
633 | ..... Loudness control: |
This subclass is indented under subclass 626. Subject matter wherein the amplitude or volume of the musical
tones may be regulated.
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634 | .... Accompaniment: |
This subclass is indented under subclass 602. Subject matter wherein digital data represents a musical support or background. | |
635 | ..... Rhythm: |
This subclass is indented under subclass 634. Subject matter wherein the information represents timing intervals of a musical piece. | |
636 | ...... Tempo control: |
This subclass is indented under subclass 635. Subject matter wherein the rate or speed of rhythm is variable. | |
637 | ..... Chords: |
This subclass is indented under subclass 634. Subject matter wherein the data represents a plurality of musical tones to be played simultaneously. | |
638 | ..... Arpeggio: |
This subclass is indented under subclass 634. Subject matter wherein the data represents chord tones to be played in sequence one at a time. | |
639 | ... Photoelectric: |
This subclass is indented under subclass 601. Subject matter including optical and electrical means for
storing data representative of the musical tones.
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640 | .... Variable speed: |
This subclass is indented under subclass 639. Subject matter wherein different pitches are obtained by
varying the rotational speed of a diffraction or grating disk.
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641 | ... Magnetic: |
This subclass is indented under subclass 601. Subject matter including magnetic and electrical means for
storing data representative of the musical tones.
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642 | .... Tape: |
This subclass is indented under subclass 641. Subject matter wherein the magnetic storage medium is in a tape form. | |
643 | ... Capacitive: |
This subclass is indented under subclass 601. Subject matter including capacitive means for storing data
representative of the musical tones.
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644 | ... Constructional details: |
This subclass is indented under subclass 601. Subject matter including mechanical features of the musical instrument. | |
645 | ... MIDI (musical instrument digital interface): |
This subclass is indented under subclass 601. Subject matter including an interface between an instrument
and a digital processing system.
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646 | .. Fret control: |
This subclass is indented under subclass 600. Subject matter wherein the stored data is controlled via a stringed musical instrument fingerboard, e.g., switches on a guitar fingerboard, etc. | |
647 | .. Digital combinational circuit: |
This subclass is indented under subclass 600. Subject matter wherein binary inputs are provided to digital
combinational circuit to produce musical tone.
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648 | ... With frequency multiplication or division: |
This subclass is indented under subclass 647. Subject matter wherein the discrete notes of a complete
musical scale are obtained by varying the oscillator output frequency.
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649 | ... Note sequence: |
This subclass is indented under subclass 647. Subject matter wherein a succession of musical notes is
sequentially processed by digital combinational circuit for performance
or comparison.
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650 | .... Accompaniment (e.g., chords, etc.): |
This subclass is indented under subclass 649. Subject matter wherein the stored sequence is used as a musical support for a voice or melody. | |
651 | ..... Rhythm: |
This subclass is indented under subclass 650. Subject matter wherein the information represents timing intervals of the musical piece. | |
652 | ...... Tempo control: |
This subclass is indented under subclass 651. Subject matter wherein the rate or speed of rhythm is variable. | |
653 | ... Selecting circuits: |
This subclass is indented under subclass 647. Subject matter comprising a circuit which selects musical
parameter, e.g., pitch, timbre, etc.
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654 | .... Fundamental tone detection or extraction: |
This subclass is indented under subclass 653. Subject matter wherein the fundamental or pitch is detected
and used to activate or modify a musical system.
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655 | .... Multiplexing or scanning: |
This subclass is indented under subclass 653. Subject matter wherein the selecting circuits are assigned
by time division multiplexing or scanning.
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656 | .... Priority or preference circuits: |
This subclass is indented under subclass 653. Subject matter wherein a plurality of musical notes or keys
are selected with a certain note or notes having precedence over
others, e.g., highest or lowest notes having priority, etc.
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657 | .... Transposition: |
This subclass is indented under subclass 653. Subject matter wherein a musical piece is written or performed
in a key other than the original or given key.
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658 | .... Force or velocity responsive: |
This subclass is indented under subclass 653. Subject matter wherein the selecting circuit is responsive
to the applied pressure force or velocity.
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659 | ... Tone synthesis or timbre control: |
This subclass is indented under subclass 647. Subject matter wherein harmonic content of a note is controlled
or modified.
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660 | .... Mixing: |
This subclass is indented under subclass 659. Subject matter wherein two or more signals are combined
to form a composite waveform.
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661 | .... Filtering: |
This subclass is indented under subclass 659. Subject matter wherein a desired waveform is obtained by
removing one or more partials or harmonics.
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662 | ... Expression or special effects: |
This subclass is indented under subclass 647. Subject matter for providing an indication of feeling or
artistic execution to the musical tones.
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663 | .... Envelope shaping (i.e., attack, decay, sustain or release): |
This subclass is indented under subclass 662. Subject matter for providing or modifying an amplitude contour
of an activated tone.
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664 | .... Chorus, ensemble, or celeste: |
This subclass is indented under subclass 662. Subject matter providing for the combining of a slightly
detuned tone with the original tone.
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665 | .... Loudness control: |
This subclass is indented under subclass 662. Subject matter wherein the amplitude or volume of the musical
tones may be regulated.
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666 | ... Accompaniment: |
This subclass is indented under subclass 647. Subject matter wherein digital data represents a musical
support or background.
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667 | .... Rhythm: |
This subclass is indented under subclass 666. Subject matter wherein the information represents timing
intervals of a musical piece.
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668 | ..... Tempo control: |
This subclass is indented under subclass 667. Subject matter wherein the rate or speed of rhythm is variable.
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669 | .... Chords: |
This subclass is indented under subclass 666. Subject matter wherein the data represents a plurality of
musical tones to be played simultaneously.
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670 | ... Constructional details: |
This subclass is indented under subclass 647. Subject matter including mechanical features of the musical
instrument.
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671 | .. Electric analog oscillators: |
This subclass is indented under subclass 600. Subject matter wherein the varying electric currents or
potentials originate from an analog oscillator.
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672 | ... Variable frequency: |
This subclass is indented under subclass 671. Subject matter wherein the oscillator is changed so that the discrete notes of a complete musical scale are obtained. | |
673 | .... With variable filtering: |
This subclass is indented under subclass 672. Subject matter wherein the output of the oscillator is applied to a filter wherein partials or harmonics to be removed can be varied. | |
674 | .... With space discharging means: |
This subclass is indented under subclass 672. Subject matter wherein the oscillator includes one or more devices in which conduction of electrons takes place through a vacuum or gaseous medium. | |
675 | ... With frequency multiplication or division: |
This subclass is indented under subclass 671. Subject matter wherein the discrete notes of a musical scale
are derived through frequency multipliers or dividers.
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676 | .... With transistor: |
This subclass is indented under subclass 675. Subject matter wherein the oscillator, frequency multipliers
or frequency dividers include a semiconductor device with three
or more electrodes.
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677 | .... With space discharging means: |
This subclass is indented under subclass 675. Subject matter wherein the oscillators, frequency multipliers
or frequency dividers include one or more devices in which conduction
of electrons takes place through a vacuum or gaseous medium.
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678 | ... Selecting circuits: |
This subclass is indented under subclass 671. Subject matter including a circuit which selects a musical
parameter, e.g., pitch or timbre, etc.
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679 | .... With transistor: |
This subclass is indented under subclass 678. Subject matter wherein the oscillator, frequency multipliers
or frequency dividers include a semiconductor device with three
or more electrodes.
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680 | .... With space discharging means: |
This subclass is indented under subclass 678. Subject matter wherein the selecting circuit includes a
device in which conduction of electrons takes place through a vacuum
or gaseous medium.
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681 | .... Fundamental tone detection or extraction: |
This subclass is indented under subclass 678. Subject matter wherein the fundamental or pitch is detected
and used to activate or modify a musical system.
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682 | .... Multiplexing or scanning: |
This subclass is indented under subclass 678. Subject matter wherein the selecting circuits are assigned
by time-division multiplexing or scanning.
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683 | .... Noise reduction (e.g., error prevention, etc.): |
This subclass is indented under subclass 678. Subject matter wherein circuitry is provided to reduce electrical
noise, transients or unwanted disturbances.
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684 | .... Priority or preference circuits: |
This subclass is indented under subclass 678. Subject matter wherein a plurality of musical notes or keys
are selected with a certain note or notes having precedence over
others e.g., highest or lowest notes having priority, etc.
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685 | .... Transposition: |
This subclass is indented under subclass 678. Subject matter wherein a musical piece is written or performed
in a key other than the original or given key.
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686 | .... Stops: |
This subclass is indented under subclass 678. Subject matter wherein the circuit selects a musical voice,
tone color, timbre or electrically simulated organ pipe sounds.
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687 | .... Force or velocity responsive: |
This subclass is indented under subclass 678. Subject matter wherein the selecting circuit is responsive
to the applied pressure, force or velocity.
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688 | ..... With magnetic selector: |
This subclass is indented under subclass 687. Subject matter wherein the selecting circuit includes a magnetic selector or selectors. | |
689 | ..... With capacitive selector: |
This subclass is indented under subclass 687. Subject matter wherein the selecting circuit includes a
capacitive selector or selectors.
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690 | ..... With variable resistance selector: |
This subclass is indented under subclass 687. Subject matter wherein the selecting circuit includes a
variable resistor or resistors.
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691 | ... Noise reduction (e.g., error prevention, etc.): |
This subclass is indented under subclass 671. Subject matter wherein circuitry is provided to reduce electrical
noises, transients or unwanted disturbances.
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692 | ... Tone synthesis or timbre control: |
This subclass is indented under subclass 671. Subject matter wherein the harmonic content of a note is
controlled or modified.
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693 | .... Time varying or dynamic Fourier components: |
This subclass is indented under subclass 692. Subject matter wherein the Fourier components are variable
with respect to time.
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694 | .... Modulation: |
This subclass is indented under subclass 692. Subject matter wherein tones are synthesized or modified
by varying a carrier wave in accordance with a modulation wave.
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695 | ..... Amplitude: |
This subclass is indented under subclass 694. Subject matter wherein the carrier wave is amplitude modulated.
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696 | ..... Angle (i.e., frequency or phase): |
This subclass is indented under subclass 694. Subject matter wherein the carrier wave is angle (i.e.,
frequency or phase) modulated.
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697 | .... Mixing: |
This subclass is indented under subclass 692. Subject matter wherein two or more tones are combined to
form a composite waveform.
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698 | ..... Partials (i.e., harmonics): |
This subclass is indented under subclass 697. Subject matter wherein two or more partials or harmonics are combined to form a composite waveform. | |
699 | .... Filtering: |
This subclass is indented under subclass 692. Subject matter wherein a desired waveform is obtained by
removing one or more partials or harmonics.
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700 | ..... Variable: |
This subclass is indented under subclass 699. Subject matter wherein the partials or harmonics to be removed can be varied in accordance with a desired timbre or color. | |
701 | ... Expression or special effects: |
This subclass is indented under subclass 671. Subject matter for providing an indication of feeling or
artistic execution to the musical tones.
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702 | .... Envelope shaping (e.g., attack, decay, sustain or release, etc.): |
This subclass is indented under subclass 701. Subject matter for providing or modifying an amplitude contour
of an activated tone.
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703 | ..... Attack and decay: |
This subclass is indented under subclass 702. Subject matter for producing or modifying only the attack
and decay of an activated tone.
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704 | .... Portamento or glissando: |
This subclass is indented under subclass 701. Subject matter for producing an audible glide from one tone
to a second tone.
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705 | .... Tremolo: |
This subclass is indented under subclass 701. Subject matter providing for rapid iteration of or a modulation
in the amplitude of a note at subaudio frequencies.
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706 | .... Vibrato: |
This subclass is indented under subclass 701. Subject matter providing a modulation in the frequency or
phase of a note at subaudio frequencies.
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707 | .... Reverberation: |
This subclass is indented under subclass 701. Subject matter providing for time delays that simulate a
plurality of reflections of a given tone, e.g., echo, etc.
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708 | .... Chorus, ensemble, or celeste: |
This subclass is indented under subclass 701. Subject matter providing for the combining of a slightly
detuned tone with the original tone.
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709 | .... Trill: |
This subclass is indented under subclass 701. Subject matter wherein the rapid alternation of two tones either a whole or a half tone apart. | |
710 | .... Chiff or percussive transients: |
This subclass is indented under subclass 701. Subject matter wherein transients are introduced into the
initial sounding of the tone during the initial portion of the envelope
to simulate the hiss or noise of an organ pipe.
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711 | .... Loudness control: |
This subclass is indented under subclass 701. Subject matter wherein amplitude or volume of the musical
tones may be regulated.
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712 | ... Accompaniment: |
This subclass is indented under subclass 671. Subject matter for providing a musical support or background.
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713 | .... Rhythm: |
This subclass is indented under subclass 712. Subject matter for creating or modifying the timing intervals
of a music piece.
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714 | ..... Tempo control: |
This subclass is indented under subclass 713. Subject matter wherein the rate or speed of rhythm is variable.
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715 | .... Chords: |
This subclass is indented under subclass 712. Subject matter wherein a plurality of notes are played simultaneously.
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716 | .... Arpeggio: |
This subclass is indented under subclass 712. Subject matter wherein the notes of a chord are played in
sequence.
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717 | .... Reiteration: |
This subclass is indented under subclass 712. Subject matter wherein plural tones are repetitively played
in sequence one at a time.
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718 | ... Constructional details: |
This subclass is indented under subclass 671. Subject matter including mechanical features of the musical
instrument.
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719 | .... Keyboard: |
This subclass is indented under subclass 718. Subject matter wherein the mechanical feature is a keyboard
or a fret-board.
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720 | .... Keyswitch structure: |
This subclass is indented under subclass 718. Subject matter wherein the mechanical feature is a keyswitch.
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721 | .... Foot control: |
This subclass is indented under subclass 718. Subject matter wherein the mechanical feature is a foot
controlled device.
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722 | ... Fret control: |
This subclass is indented under subclass 671. Subject matter wherein oscillators are controlled via a
stringed musical instrument fingerboard, e.g., switches on the guitar fingerboard,
etc.
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723 | .. Transducers: |
This subclass is indented under subclass 600. Subject matter including means which converts energy other
than electrical into electrical energy.
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724 | ... Photoelectric: |
This subclass is indented under subclass 723. Subject matter including means which converts varying light
intensity into varying electric currents or potential.
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725 | ... Electromagnetic: |
This subclass is indented under subclass 723. Subject matter including means which converts varying magnetic
flux into varying electric currents or potentials.
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726 | .... String: |
This subclass is indented under subclass 725. Subject matter wherein the varying magnetic flux is caused
by a moving string.
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727 | ..... With adjustable means: |
This subclass is indented under subclass 726. Subject matter wherein the transducer or a component thereof is adjustable relative to a string. | |
728 | ..... Noise reduction (e.g., error prevention, etc.): |
This subclass is indented under subclass 726. Subject matter wherein circuitry is provided to reduce electrical
noises, transients, or unwanted disturbances.
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729 | .... Reed: |
This subclass is indented under subclass 725. Subject matter wherein the varying magnetic flux is caused
by a moving elongated flexural strip or bar with a relatively large
length to width ratio.
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730 | ... Piezoelectric: |
This subclass is indented under subclass 723. Subject matter wherein a varying mechanically stressed crystal
causes a varying current or voltage.
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731 | .... String: |
This subclass is indented under subclass 730. Subject matter wherein the varying mechanical stress is
caused by a string.
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732 | .... Reed: |
This subclass is indented under subclass 730. Subject matter wherein the varying mechanical stress is
caused by an elongated flexural strip or bar with a relatively large
length to width ratio.
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733 | ... Capacitive: |
This subclass is indented under subclass 723. Subject matter wherein a varying capacitance produces a
varying electric current or potential.
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734 | ... Strain gauge: |
This subclass is indented under subclass 723. Subject matter wherein a varying force, tension or pressure
is converted into a varying electrical current or potential.
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735 | ... Tone synthesis or timbre control: |
This subclass is indented under subclass 723. Subject matter wherein the harmonic content of a note is
controlled or modified.
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736 | .... Filtering: |
This subclass is indented under subclass 735. Subject matter wherein a desired waveform is obtained by
removing one or more partials or harmonics.
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737 | ... Expression or special effects: |
This subclass is indented under subclass 723. Subject matter for providing "feeling" or
artistic execution to the musical tones.
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738 | .... Envelope shaping (e.g., attack, decay, sustain or release, etc.): |
This subclass is indented under subclass 737. Subject matter for providing or modifying the contour of
an activated tone.
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| |||||||
739 | .... Tremolo: |
This subclass is indented under subclass 737. Subject matter providing for rapid iteration of or a modulation
in the amplitude of a note at sub-audio frequencies.
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SEE OR SEARCH CLASS:
| |||||||||||
740 | .... Vibrato: |
This subclass is indented under subclass 737. Subject matter providing a modulation in the frequency or
phase of a note at sub-audio frequencies.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||||||
741 | .... Loudness control: |
This subclass is indented under subclass 737. Subject matter wherein amplitude or volume of the musical
tone may be regulated.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||
742 | ... Selecting circuits: |
This subclass is indented under subclass 723. Subject matter including a circuit which selects a musical
parameter, e.g., pitch or timbre, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||
743 | ... Constructional details: |
This subclass is indented under subclass 723. Subject matter including mechanical features of the musical
instrument.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||||
744 | .... Keyboard: |
This subclass is indented under subclass 743. Subject matter wherein mechanical feature is a keyboard
or a fretboard.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
745 | .... Keyswitch structure: |
This subclass is indented under subclass 743. Subject matter wherein the mechanical feature is a keyswitch.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
746 | .... Foot control: |
This subclass is indented under subclass 743. Subject matter wherein the mechanical feature is a foot
controlled device.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
This subclass has no definition. | |
2 | .. Combined: |
The instrument includes two sets of sounding-bodies which
belong to different groups, as specified above.
| |||
3 | .. Electric: |
The instruments have electric circuits. | |
4 | ... With phonograph: |
This subclass is indented under subclass 3. A piano or other accompaniment is provided for a phonograph
cylinder or disk.
SEE OR SEARCH CLASS:
| |||
5 | .... Electrical connections: |
This subclass is indented under subclass 4. The synchronizing devices include electric circuits. | |
6 | ... Pneumatic: |
This subclass is indented under subclass 3. The sounding-bodies of one or both sets are operated by player-pneumatics. | |
7 | .. Stringed: |
String-playing devices not belonging in a specific subclass. | |
8 | ... With picking devices: |
This subclass is indented under subclass 7. Self-playing banjos, mandolins, zithers, etc., often with fingering devices and pneumatic mechanism. | |
9 | .... Electric: |
This subclass is indented under subclass 8. The instruments have electric circuits. | |
10 | ... With bowing devices: |
This subclass is indented under subclass 7. Self-playing violins, usually with fingering or stopping devices, sometimes with pneumatic mechanism. | |
11 | .... Electric: |
This subclass is indented under subclass 10. The instruments have electric circuits. | |
12 | ... With striking devices: |
This subclass is indented under subclass 7. Stringed instruments of various types with strikers, sometimes operated by pneumatics. | |
13 | ... Pianos: |
This subclass is indented under subclass 7. Patents for the complete instrument or for features not
specific to a subclass below.
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| |||||
14 | .... Without keys: |
This subclass is indented under subclass 13. Instruments of the piano type for automatic playing exclusively. | |
15 | ..... Half width: |
This subclass is indented under subclass 14. Automatic pianos having the strings in two narrow sets. | |
16 | .... Constant power: |
This subclass is indented under subclass 13. The blow is struck by power derived from a rotating shaft or other constantly-operating source. | |
17 | ..... Electric control: |
This subclass is indented under subclass 16. The connections between the source of power and the strikers are controlled electrically. | |
18 | ...... Key actuators: |
This subclass is indented under subclass 17. The power acts directly on the keys.
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19 | .... Electric power: |
This subclass is indented under subclass 13. The power is derived from a source of electricity. | |
20 | ..... Key actuators: |
This subclass is indented under subclass 19. The power acts on the keys. | |
21 | ...... With expression: |
This subclass is indented under subclass 20. These patents include means for varying the force of the blow, usually electric resistances. | |
22 | ....... By voltage change: |
This subclass is indented under subclass 21. Expression is secured by varying the voltage. | |
23 | ..... With expression: |
This subclass is indented under subclass 19. Devices similar to those of subclass 19, but the piano-key is not involved. | |
24 | .... Pneumatic type: |
This subclass is indented under subclass 13. This is the common type of player-piano wherein the blows
are caused by small bellows called "striker-pneumatics",
one to each hammer.
| |||
25 | ..... Key actuators: |
This subclass is indented under subclass 24. Like the preceding subclass except that the striker-pneumatic
acts on the key.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
26 | ..... Grands: |
This subclass is indented under subclass 24. Patents showing a pneumatic action built into a grand piano. | |
27 | ...... Connections to piano action: |
This subclass is indented under subclass 26. Patents claiming novelty in the connections from the pneumatics to the grand-piano action. | |
28 | ..... Action above keyboard: |
This subclass is indented under subclass 24. Limited to patents in which the claims in terms or in substance require the striker-pneumatics to be above the keyboard. | |
29 | ..... Action below keyboard: |
This subclass is indented under subclass 24. Similarly limited to cases having the pneumatics below the keyboard. | |
30 | ..... Location of parts: |
This subclass is indented under subclass 24. Patents in which the parts are fitted into the piano in
a novel way or are located in unusual positions.
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31 | ..... With double tracker: |
This subclass is indented under subclass 24. The tracker has two sets of rows of note perforations, both
normally in use to obtain expression.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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32 | ...... Double length: |
This subclass is indented under subclass 31. The two rows are in the same line, so that the tracker is longer than usual. | |
33 | ..... Expression mechanism: |
This subclass is indented under subclass 24. Miscellaneous devices for giving expression to the music.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
34 | ...... Parts of piano moved: |
This subclass is indented under subclass 33. The pedals or other parts of the piano are moved for expression.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
35 | ....... Rest rail shifted: |
This subclass is indented under subclass 34. The hammer rest-rail is shifted, usually in sections and
without depressing the pedal.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
36 | ........ Normally in short stroke position: |
This subclass is indented under subclass 35. Normally the hammers are in position for pianissimo effect. | |
37 | ........ Position controlled from reservoir: |
This subclass is indented under subclass 35. The rest-rail is automatically shifted as the wind-pressure in the reservoir varies. | |
38 | ........ Graduated shift: |
This subclass is indented under subclass 35. The ends of the rest-rail may move through unequal distances, so the musical effect is graduated from bass to treble. | |
39 | ...... Wind pressure varied: |
This subclass is indented under subclass 33. The pressure of wind supplied to some or all of the striker-pneumatics is varied to obtain accent. | |
40 | ....... By pumping: |
This subclass is indented under subclass 39. The variation is due to a change in the pumping. | |
41 | ....... By throttling: |
This subclass is indented under subclass 39. The variation is due to a change in the cross-section of the wind-passage. | |
42 | ....... By regulating chamber: |
This subclass is indented under subclass 39. The variation is due to the action of a variable chamber additional to the reservoir. | |
43 | ....... By use of two pressures: |
This subclass is indented under subclass 39. The variation is due to the alternate use of two wind-chambers holding air, respectively, at high and low tension. | |
44 | ...... Two cooperating pneumatics to each note: |
This subclass is indented under subclass 33. There are two striker-pneumatics for each note, one or both of which may be used. | |
45 | ...... Two opposing pneumatics to each note: |
This subclass is indented under subclass 33. The movement of the striker-pneumatic may be retarded by another pneumatic. | |
46 | ...... Transmission varied: |
This subclass is indented under subclass 33. The fulcrum of a lever is shiftable or the connections between the pneumatic and the hammer are otherwise varied. | |
47 | ...... Systematic variations: |
This subclass is indented under subclass 33. The force of the blow is systematically or periodically
varied independently of the hand-controllers or note-sheet.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
48 | ...... Pneumatic details: |
This subclass is indented under subclass 33. Pneumatic details limited to parts of the expression mechanism.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
49 | ...... Hand controllers: |
This subclass is indented under subclass 33. Levers or buttons for controlling expression. The patents
generally show also tempo-controllers.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
50 | ..... Pneumatic construction: |
This subclass is indented under subclass 24. Improvements in the controlling parts between the reservoir
and the striker-pneumatics.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
51 | ...... Both primaries and secondaries: |
This subclass is indented under subclass 50. The pneumatic train includes both primary and secondary valves, sometimes called the "double-valve system". | |
52 | ....... Lower leaf moved: |
This subclass is indented under subclass 51. The lower leaf of the striker-pneumatic is the movable one. | |
53 | ...... Lower leaf moved: |
This subclass is indented under subclass 50. Like the preceding subclass except that there is no secondary valve. | |
54 | ...... Striker pneumatics in wind chest: |
This subclass is indented under subclass 50. The striker-pneumatics are located in the wind-chest.
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55 | ...... Units: |
This subclass is indented under subclass 50. The construction involves many duplicate parts that are readily detachable. | |
56 | ....... Metal: |
This subclass is indented under subclass 55. These parts are of metal. | |
57 | ...... Tubes and junctions: |
This subclass is indented under subclass 50. Patents involving the position or location of tubes from the tracker or other part and means for connecting tubes, such as junction plates or bars. | |
58 | ...... Bleeds: |
This subclass is indented under subclass 50. Constructions having minute openings into a passage, especially into a tracker-duct. | |
59 | ....... With valve: |
This subclass is indented under subclass 58. The bleed is closed by a valve during part of the cycle of operations. | |
60 | ...... Valves and seats: |
This subclass is indented under subclass 50. Patents pertaining to automatics having novelty in the valve or its seat. | |
61 | ....... Inside: |
This subclass is indented under subclass 60. Patents for double valves, the operating-surfaces of which face one another. | |
62 | ....... Outside: |
This subclass is indented under subclass 60. Patents for double valves, the operating-surfaces of which face away from one another. | |
63 | ........ Adjustable: |
This subclass is indented under subclass 62. Similar to the preceding except that the distance between the surfaces is adjustable. | |
64 | ...... Screening and cleaning: |
This subclass is indented under subclass 50. Means to prevent dust from entering the action or for removing it. | |
65 | ..... Power pneumatics: |
This subclass is indented under subclass 24. Pneumatics to strike the keys or throw the hammers or exert
power otherwise.
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| |||
66 | ...... Connections to hammers: |
This subclass is indented under subclass 65. Patents covering various forms of connections between the pneumatic and the hammer. | |
67 | ....... To key: |
This subclass is indented under subclass 66. The connection engages the key. | |
68 | ....... To abstract: |
This subclass is indented under subclass 66. The connection engages the abstract. | |
69 | ....... To wippen: |
This subclass is indented under subclass 66. The connection engages the wippen. | |
70 | ..... Wind-supply devices: |
This subclass is indented under subclass 24. Means not otherwise classified pertaining to the supply
of wind.
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| |||||
71 | ...... In grands: |
This subclass is indented under subclass 70. The construction is specially fitted for grand pianos. | |
72 | ...... Pedals: |
This subclass is indented under subclass 70. Pedals connected to operate bellows.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
73 | ....... Folding: |
This subclass is indented under subclass 72. The pedals may be folded into the piano-case. | |
74 | ....... With keylock: |
This subclass is indented under subclass 72. Devices to lock the keys when the pedals are drawn out.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
75 | ....... With doors: |
This subclass is indented under subclass 72. Pedals with doors to hide them. | |
76 | ........ Operating together: |
This subclass is indented under subclass 75. Mechanism to open the doors and throw down the pedals by a single action of the performer. | |
77 | ......... Door-carried pedal: |
This subclass is indented under subclass 76. The pedal is attached to the inside of the door. | |
78 | ......... Upper panel moved: |
This subclass is indented under subclass 76. The panel in front of the tracker-box is shifted simultaneously with the pedal-door. | |
79 | ...... Distribution: |
This subclass is indented under subclass 70. Various elements between the bellows and the controlling-pneumatics,
especially reservoirs and wind-chests.
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This subclass has no definition. | |
80 | ..... Key slips: |
The key-slip or part of it is movable to uncover or shift various parts preparatory to playing. | |
81 | ..... Upper panel: |
Improvements relating to the panel in front of the tracker-box. | |
82 | ..... Lower panel: |
Improvements relating to the panel in front of the pedals.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
83 | .. Wind: |
Automatic wind instruments not otherwise classified, as
accordions, flutes, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
84 | ... Organs: |
This subclass is indented under subclass 83. Miscellaneous organ constructions having either pipes or reeds, or both. | |
85 | .... Stop actions: |
This subclass is indented under subclass 84. Improvements in the stop-action. | |
86 | .... Cylinder: |
This subclass is indented under subclass 84. The selection of notes is determined by pins on a cylinder. | |
87 | .... Disk: |
This subclass is indented under subclass 84. The selection of notes is determined by projections or perforations on a disk. | |
88 | .... Electropneumatic action: |
This subclass is indented under subclass 84. Electropneumatic organs with automatic control. | |
89 | .... Pneumatic action: |
This subclass is indented under subclass 84. Pneumatic organs with automatic control only. | |
90 | ..... With keys: |
This subclass is indented under subclass 89. Pneumatic organs with both automatic and key control. | |
91 | ..... Pipe organ: |
This subclass is indented under subclass 89. Pneumatic pipe-organs with automatic control. | |
92 | ... Organettes: |
This subclass is indented under subclass 83. Small reed-organs with hand-operated bellows and a paper sheet serving as valves for the reeds. | |
93 | ... Mouth blown: |
This subclass is indented under subclass 83. The instruments are small enough to be blown by the player. | |
94.1 | .. Combs: |
Miscellaneous instruments having a comb, the teeth of which
are tuned to be the sounders.
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94.2 | ... Combined: |
This subclass is indented under subclass 94.1. Miscellaneous instruments combined with other art devices. | |
95.1 | ... Cylinder type: |
This subclass is indented under subclass 94.1. Subject matter wherein the teeth of the comb are picked
by pins on a rotating cylinder.
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95.2 | .... Combined: |
This subclass is indented under subclass 95.1. Subject matter combined with other art devices. | |
96 | .... Cylinder construction: |
This subclass is indented under subclass 95.1. Details of the construction of the cylinder.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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97 | ... Disk type: |
This subclass is indented under subclass 94.1. The teeth of the comb are picked by projections on a rotating
disk.
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98 | .... With star wheels: |
This subclass is indented under subclass 97. Star-wheels are used between the disk and comb. | |
99 | .... Multiple disks: |
This subclass is indented under subclass 97. Instruments with two or more disks and generally with devices
for setting them in playing position.
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100 | .... With phonograph spindle: |
This subclass is indented under subclass 97. The motor of the music-box is utilized to drive a spindle for a phonograph. | |
101 | ... Note-sheet type: |
This subclass is indented under subclass 94.1. The selector is a note-sheet and usually operates star-wheels.
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102 | .. Bars: |
Automatic instruments having vibrating bars and not elsewhere
classifiable.
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103 | .. Bells: |
Automatic instruments having vibrating bells and not elsewhere
classifiable.
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104 | .. Drums: |
Automatic instruments having vibrating drums and not elsewhere
classifiable.
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105 | .. Outside players: |
Instruments including a sheet or other selector, playing
mechanism, and striker to act on the keys of a piano or organ and
readily separable from the latter.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
106 | ... Cylinder or disk: |
This subclass is indented under subclass 105. The selector is a cylinder or disk. | |
107 | ... Electric or electropneumatic: |
This subclass is indented under subclass 105. The power is electromagnetic or electropneumatic. | |
108 | ... Cabinet type: |
This subclass is indented under subclass 105. The instrument stands on the floor instead of on the piano. | |
109 | .... Case connectors: |
This subclass is indented under subclass 108. Means for detachably holding the cabinet to the piano. | |
110 | .... Pneumatic: |
This subclass is indented under subclass 108. The playing mechanism includes pneumatics.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
111 | ... Striker details: |
This subclass is indented under subclass 105. Details of the strikers or fingers that engage the piano-keys. | |
112 | ... Constant power: |
This subclass is indented under subclass 105. The key-striker is operated from a constantly-moving source of power. | |
113 | .... Electric control: |
This subclass is indented under subclass 112. The engagement between the source of power and the striker is controlled electrically. | |
114 | .... Pneumatic control: |
This subclass is indented under subclass 112. The engagement between the source of power and the striker is controlled pneumatically. | |
115 | .. Selectors: |
The means for determining which notes of the piano, organ,
etc., shall be sounded.
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| |||||||||
116 | ... Tracker-box location: |
This subclass is indented under subclass 115. The invention is in the location or connection of the tracker-box.
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| |||
117 | ... Mechanical fingers: |
This subclass is indented under subclass 115. The note-sheet acts mechanically on movable fingers.
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| |||
118 | ... Plurality of sheets: |
This subclass is indented under subclass 115. The instrument carries a plurality of note-sheets and means for driving them. | |
119 | .... Synchronized: |
This subclass is indented under subclass 118. Two sheets are operated simultaneously. | |
120 | .... Single tracker: |
This subclass is indented under subclass 118. The sheets are brought one at a time over a single tracker-bar and then driven separately. | |
121 | ... Sheet not rolled: |
This subclass is indented under subclass 115. Various unusual forms of note-sheets and their feeding means, such as folding sheets, endless sheets, etc. | |
122 | ... Winding and rewinding: |
This subclass is indented under subclass 115. Inventions for moving a sheet not elsewhere classifiable.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
123 | .... With electric features: |
This subclass is indented under subclass 122. Electric mechanism is involved. | |
124 | .... For two types of rolls: |
This subclass is indented under subclass 122. Means to carry rolls of different type or different compass one at a time. | |
125 | .... Shifting gear and clutch: |
This subclass is indented under subclass 122. The mechanism for driving the sheet forward and back includes a shifting-gear and clutch. | |
126 | .... Two clutches: |
This subclass is indented under subclass 122. The mechanism for driving the sheet forward and back includes two clutches. | |
127 | .... Gears: |
This subclass is indented under subclass 122. The mechanism for driving the sheet forward and back includes gears. | |
128 | .... Speed control: |
This subclass is indented under subclass 122. Means for regulating the constant or momentary speed of
the note sheet-tempo control.
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129 | ..... Roller and disk or cone: |
This subclass is indented under subclass 128. Patents including this specific variable friction-gear. | |
130 | ..... By wind supply: |
This subclass is indented under subclass 128. The speed is controlled by regulating the supply of wind to air-motors. | |
131 | ..... Compensation for diameter: |
This subclass is indented under subclass 128. Means to keep the tempo constant as the diameter of the
take-up roll increases.
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132 | .... Feeding: |
This subclass is indented under subclass 122. Miscellaneous devices for feeding a note-sheet forward.
Includes some special take-up rolls.
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133 | .... Rewinding: |
This subclass is indented under subclass 122. Devices involved in rewinding, such as springs and weights. | |
134 | .... Brakes: |
This subclass is indented under subclass 122. Means to regulate the tension on the note-sheet.
SEE OR SEARCH CLASS:
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135 | .... Sheet pressers: |
This subclass is indented under subclass 122. Means to control the pressure of the note-sheet on the tracker-bar. | |
136 | .... Registration: |
This subclass is indented under subclass 122. Means to insure proper registration of the sheet perforations
with the tracker-holes, usually automatic.
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137 | ..... Movable detector at edge: |
This subclass is indented under subclass 136. The shifting is controlled by one or more movable fingers or other detectors at the edge of the sheet. | |
138 | ...... Controlling shifter bellows: |
This subclass is indented under subclass 137. The shifting is done by bellows controlled by the detector. | |
139 | ....... Single detector: |
This subclass is indented under subclass 138. The shifting is controlled by a single detector. | |
140 | .... Extra end holes: |
This subclass is indented under subclass 122. The tracker has extra holes near its ends to control the
shifting.
| |||
141 | ..... Single end hole: |
This subclass is indented under subclass 140. There is only one extra hole to control the shifting in both directions. | |
142 | .... Extra center holes: |
This subclass is indented under subclass 122. Holes near the middle of the tracker are vented by note perforations in the sheet. | |
143 | .... Flange shifted: |
This subclass is indented under subclass 122. One flange (or both) is shifted on one or both rolls. | |
144 | .... Hand operated: |
This subclass is indented under subclass 122. The tracker-bar or some other part is shifted by hand.
| |||
145 | .... Transposition only: |
This subclass is indented under subclass 122. The relative shift of the tracker and sheet is through one
or more semitones to cause a change of key.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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146 | ... Trackers and sheets: |
This subclass is indented under subclass 115. Both the tracker and the sheet are modified.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
147 | .... Electric: |
This subclass is indented under subclass 146. Electric circuits are controlled instead of pneumatic ducts.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
148 | .... For organs: |
This subclass is indented under subclass 146. Provision is made for control of stops. | |
149 | .... Vertical: |
This subclass is indented under subclass 146. The tracker is vertical. | |
150 | .... Playing on wind and rewind: |
This subclass is indented under subclass 146. The sheet has two sets of perforations, one set to be used as usual, the other to be used during rewinding. | |
151 | ... Trackers: |
This subclass is indented under subclass 115. Special forms or construction of the tracker or attachments thereto. | |
152 | .... Double scale: |
This subclass is indented under subclass 151. Especially to allow the use of sixty-five or eighty-eight
note-sheets at will. There are covers or other means to close either
set of ducts.
| |||
153 | ..... Trackers rigidly connected: |
This subclass is indented under subclass 152. The two rows of holes are in the same bar or in bars fixed together. | |
154 | ...... Pivotally mounted: |
This subclass is indented under subclass 153. The bar is pivoted. | |
155 | ...... With slide valves: |
This subclass is indented under subclass 153. Slide-valves determine which row shall be used. | |
156 | .... Duct closers: |
This subclass is indented under subclass 151. Means to close a few ducts at the end of a row if a narrow sheet is used or to close all during rewinding or skipping. | |
157 | .... Modified for expression: |
This subclass is indented under subclass 151. To avoid mechanically accurate playing.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
158 | .... Metal: |
This subclass is indented under subclass 151. The tracker-bar is of metal. | |
159 | .... Extensible: |
This subclass is indented under subclass 151. The bar is adjustable in length. | |
160 | .... Pneumato-electric: |
This subclass is indented under subclass 151. The tracker-bar has ducts admitting air to pouches or small bellows that operate electric switches. | |
161 | ... Note sheets: |
This subclass is indented under subclass 115. Improvements in the sheet, its material, construction, perforations, or attachments. | |
162 | .... Ends and joints: |
This subclass is indented under subclass 161. Improvements at the free end of the sheet or in means for joining two ends together. | |
163 | .... Overlapping holes: |
This subclass is indented under subclass 161. Perforations for two successive notes overlap to produce a legato effect or for accent, etc. | |
164 | .... With expression and tempo marks: |
This subclass is indented under subclass 161. The sheet bears lines or other marks to indicate the proper
expression or tempo.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
165 | .... With marks for voice: |
This subclass is indented under subclass 161. The sheet bears words or marks to indicate a vocal part. | |
166 | .... With projections: |
This subclass is indented under subclass 161. The sheet or disk has projections, sometimes adjustable,
instead of perforations.
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| |||
167 | .. Key locks: |
Means to prevent the keys from moving as the piano is played.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
168 | .. Couplers: |
Means, usually pneumatic, for sounding two notes together, especially octaves. | |
169 | .. Indicators: |
Indicators of various kinds connected to automatic instruments. | |
170 | . Combined: |
This subclass is indented under subclass 1. Instruments having sounders belonging to two of the four groups, such as a piano or organ with bell, bar, or drum attachment. | |
171 | .. Electric: |
This subclass is indented under subclass 170. Combined instruments employing electric circuits. | |
172 | .. Piano and organ: |
This subclass is indented under subclass 170. Combination of a piano and reed (or pipe) organ, often with means for disconnecting one set of sounders from the keys. | |
173 | . Stringed: |
This subclass is indented under subclass 1. Miscellaneous stringed instruments and devices relating
thereto not classifiable elsewhere.
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| |||||
174 | .. Pianos: |
This subclass is indented under subclass 173. Miscellaneous patents showing pianos of unusual shape or
claiming several features or not elsewhere classifiable.
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| |||||
175 | ... Duplex: |
This subclass is indented under subclass 174. Two sets of strings and sometimes two keyboards. | |
176 | ... Separable: |
This subclass is indented under subclass 174. The piano is conveniently separable into parts, especially for ease of transportation. | |
177 | ... Cases: |
This subclass is indented under subclass 174. The improvements are in the case.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
178 | .... Fall boards and desks: |
This subclass is indented under subclass 177. The improvements related to both the music-desk and the fall-board over the keys. | |
179 | .... Fall boards: |
This subclass is indented under subclass 177. The improvements relate to the fall-board alone.
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180 | .... Music desks or racks: |
This subclass is indented under subclass 177. The improvements relate to the music desk or rack. | |
181 | .... Music receptacles: |
This subclass is indented under subclass 177. The case has pockets or shelves for holding music or music-rolls. | |
182 | .... Swells: |
This subclass is indented under subclass 177. The case has shutters or slides to control the escape of
sound.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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183 | .... Protectors: |
This subclass is indented under subclass 177. Means to protect the case, especially around the pedals.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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184 | ... Frames, string plate and sounding boards: |
This subclass is indented under subclass 174. All three parts are modified. | |
185 | ... Frames and string plates: |
This subclass is indented under subclass 174. Both parts are modified. | |
186.1 | ... Frames: |
This subclass is indented under subclass 174. Subject matter having improvements in the frames or backs of wood or metal. | |
186.2 | .... Wrest planks: |
This subclass is indented under subclass 186.1. Subject matter having improvements in the wrest planks. | |
187 | ... String plates and sounding boards: |
This subclass is indented under subclass 174. Improvements in the two features. | |
188 | ... String plates: |
This subclass is indented under subclass 174. Improvements in the metal plate.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
189 | ... Resonance devices: |
This subclass is indented under subclass 174. Devices to communicate to the air vibrations due to the
strings or to modify them in loudness or quality.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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190 | .... Supports or platforms: |
This subclass is indented under subclass 189. Resonant supports on which the instrument may stand. | |
191 | .... Insulators: |
This subclass is indented under subclass 189. Devices supposed to prevent the wasteful transmission of energy, such as to the floor. | |
192 | .... Sounding boards: |
This subclass is indented under subclass 189. The principal means by which the energy of the vibrating string is communicated to the air. | |
193 | ..... Materials: |
This subclass is indented under subclass 192. Sounding-boards made of unusual material, especially metal. | |
194 | ..... Multiple: |
This subclass is indented under subclass 192. Boards additional to the main sounding board and hollow bodies analogous to a violin. | |
195 | ..... Ribbing: |
This subclass is indented under subclass 192. Modifications in the location, arrangement, or structure of the ribs. | |
196 | ..... Crowning devices: |
This subclass is indented under subclass 192. Means to maintain the board in an arched form.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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197 | ... Stringing: |
This subclass is indented under subclass 174. Modifications in the location or arrangement of the strings. | |
198 | .... Auxiliary strings: |
This subclass is indented under subclass 197. Extra strings or extensions furnishing unisons or harmonics that may be struck by the hammer or may vibrate sympathetically. | |
199 | ... Strings: |
This subclass is indented under subclass 174. Special material or construction of the strings.
SEE OR SEARCH CLASS:
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200 | ... Tuning devices: |
This subclass is indented under subclass 174. Miscellaneous devices for straining the strings.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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201 | .... Simple pin: |
This subclass is indented under subclass 200. Integral pins. | |
202 | .... Locking devices: |
This subclass is indented under subclass 200. Pins with means for locking them or for increasing the friction. | |
203 | ..... Involving two pins: |
This subclass is indented under subclass 202. Devices that involve two pins. | |
204 | .... Worm gear: |
This subclass is indented under subclass 200. Devices that involve a worm-gear. | |
205 | .... Direct pull: |
This subclass is indented under subclass 200. The string is pulled directly, not wound on a pin. | |
206 | .... With push piece: |
This subclass is indented under subclass 200. The string is fastened to a movable block. | |
207 | .... With lever: |
This subclass is indented under subclass 200. The string is fastened to a lever. | |
208 | .... Transverse pressure: |
This subclass is indented under subclass 200. The tuning-pin deflects the string from a straight line. | |
209 | ... Bridges: |
This subclass is indented under subclass 174. Patents for bridges not belonging in the subclasses below.
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210 | .... Inverted: |
This subclass is indented under subclass 209. See Note to subclass 209. | |
211 | .... Agraffes: |
This subclass is indented under subclass 209. See Note to subclass 209. | |
212 | .... On sounding board: |
This subclass is indented under subclass 209. The principal bridge, usually long, curved and near the hitch-pins. | |
213 | ..... With string holders: |
This subclass is indented under subclass 212. Means on the bridge for clamping or holding the strings in place. | |
214 | .... String clamps or holders: |
This subclass is indented under subclass 209. Means for clamping or holding a string not on the main bridge. | |
215 | .... Depressing bars: |
This subclass is indented under subclass 209. Bars for holding the strings firmly against the bridge on the string-plate; sometimes called "capo-tasto bars". | |
216 | ... Expression devices: |
This subclass is indented under subclass 174. Various means for changing the quality of tone of a piano.
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217 | .... Dampers lifted: |
This subclass is indented under subclass 216. Many or all of the dampers are lifted, so that their strings
may enter into sympathetic vibration.
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218 | .... Dampers held: |
This subclass is indented under subclass 216. The sustaining or third pedal device to retain only those dampers which are raised by the keys at the time the damper is applied. | |
219 | .... Pianissimo devices: |
This subclass is indented under subclass 216. Devices to soften the blow of the hammer or produce a softer
sound.
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220 | ..... Curtain type: |
This subclass is indented under subclass 219. A curtain is interposed between the hammer and the strings.
| |||
221 | ..... Hammer stroke shortened: |
This subclass is indented under subclass 219. This is the common modern construction. | |
222 | ...... Lost-motion preventers: |
This subclass is indented under subclass 221. Devices to prevent a gap in the connections between the keys and hammer-butts. | |
223 | ....... In grand actions: |
This subclass is indented under subclass 222. Similar devices adapted to grand-actions. | |
224 | .... Auxiliary strikers: |
This subclass is indented under subclass 216. Small weighted tongues in the path of the hammers to strike
the strings.
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225 | .... Pedal mechanism: |
This subclass is indented under subclass 216. Means to operate the expression devices and details thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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226 | ..... Locks: |
This subclass is indented under subclass 225. Means to hold the mechanism in operated position. | |
227 | ..... Spring fulcrum: |
This subclass is indented under subclass 225. One of the levers is carried on a spring instead of on bearings. | |
228 | ..... Bearings: |
This subclass is indented under subclass 225. Bearings specially adapted for use in this mechanism. | |
229 | ..... Pedals: |
This subclass is indented under subclass 225. The exposed levers of the mechanism. | |
230 | ...... Auxiliary: |
This subclass is indented under subclass 229. Pedals supplementary to the usual pedals, generally for
children’s use.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||
231 | ....... Pedal carried: |
This subclass is indented under subclass 230. The supplementary part is clamped to the pedal. | |
232 | ....... With footrest: |
This subclass is indented under subclass 230. The supplementary part is carried on a footstool. | |
233 | ..... Mouse guards: |
This subclass is indented under subclass 225. Devices to prevent the entrance of mice through the pedal-openings.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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234 | ... Harmonic dampers: |
This subclass is indented under subclass 174. Means to touch a string at the middle or other nodal point, so causing it to produce a harmonic tone. | |
235 | ... Couplers: |
This subclass is indented under subclass 174. Devices to operate two hammers from a single key.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
236 | ... Hammers actions: |
This subclass is indented under subclass 174. Patents covering the parts between the key and the strings,
usually called collectively, a "piano-action".
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||||||
237 | .... Horizontal: |
This subclass is indented under subclass 236. These actions are mostly for the old type of square pianos. | |
238 | ..... Down striking: |
This subclass is indented under subclass 237. The hammers strike downward instead of upward. | |
239 | ..... Grand: |
This subclass is indented under subclass 237. The modern standard action of the Herz-Erard type, in which
the jack and repetition-lever both engage the nose on the hammer.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
240 | .... Upright: |
This subclass is indented under subclass 236. Miscellaneous types of action for pianos having strings in a nearly vertical plane. | |
241 | ..... Jack serving as retractor: |
This subclass is indented under subclass 240. The jack positively retracts the hammer, so that a bridle is not needed. | |
242 | ..... Standard type: |
This subclass is indented under subclass 240. The common action, each unit of it including a wippen carrying a jack, a damper-spoon, a back-check, and a bridle-wire. | |
243 | .... Details: |
This subclass is indented under subclass 236. Patents for features not elsewhere classifiable. | |
244 | ..... Power-operated hammers: |
This subclass is indented under subclass 243. The hammer is driven by power controlled by the key. | |
245 | ...... Sostenuto: |
This subclass is indented under subclass 244. Devices for producing sustained tone instead of the ordinary
evanescent one.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
246 | ...... Electric striker: |
This subclass is indented under subclass 244. The striker is moved by an electromagnet. | |
247 | ..... Jack constantly controlled: |
This subclass is indented under subclass 243. Actions designed to give the player constant control of the hammer, such as clavichord players had. | |
248 | ..... Inverted jack: |
This subclass is indented under subclass 243. The jack is pivoted at its top and escapes at the bottom. | |
249 | ..... Jointed jack: |
This subclass is indented under subclass 243. The jack is pivoted at top and bottom and jointed near the middle—a kind of reversed toggle. | |
250 | ..... Action frames: |
This subclass is indented under subclass 243. Frames carrying the parts of the action and the rails of the expression devices. | |
251 | ..... Flanges and joints: |
This subclass is indented under subclass 243. The hingelike parts by which the moving parts are attached to one another or to the rails. | |
252 | ...... Continuous: |
This subclass is indented under subclass 251. Several flange units are integrally connected together. | |
253 | ..... Checks: |
This subclass is indented under subclass 243. Devices for catching the hammer and holding it at rest after it has recoiled from the string. | |
254 | ..... Hammer heads: |
This subclass is indented under subclass 243. Improvements in the striking parts of the hammer and in
hammer-felts.
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255 | ..... Damper heads and stems: |
This subclass is indented under subclass 243. Improvements in damper-heads.
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256 | ... Bowed or violin pianos: |
This subclass is indented under subclass 174. Instruments having many strings excited by friction; "violin-pianos".
SEE OR SEARCH THIS CLASS, SUBCLASS:
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257 | .... With belt bow: |
This subclass is indented under subclass 256. In these the exciting means is a belt.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
258 | ... Plectrum: |
This subclass is indented under subclass 174. The strings are picked, somewhat as in the old harpsichords.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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263 | .. Combined: |
This subclass is indented under subclass 173. Instruments having two sets of strings, often on different
necks or on opposite sides of the body.
| |||
264 | .. Harps: |
This subclass is indented under subclass 173. Theses have many strings of graduated length stretched on a frame consisting of the body, neck, and pillar; the strings are exposed on both sides to the player’s hands. | |
265 | ... Bodies: |
This subclass is indented under subclass 264. Patents for harps where the improvement is in the body only. | |
266 | ... Erard action: |
This subclass is indented under subclass 264. Patents for improvements in the mechanism by which the pitch of the strings is changed one or two semitones. | |
267 | .. Guitars: |
This subclass is indented under subclass 173. Patents showing a few strings stretched along a fretted neck, unless clearly belonging to a subclass below. | |
268 | .. Mandolins: |
This subclass is indented under subclass 173. The patents herein relate almost exclusively to the body. | |
269 | .. Banjos: |
This subclass is indented under subclass 173. Instruments having a flexible head and a neck.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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270 | ... Resonance devices: |
This subclass is indented under subclass 269. Means to change the quality of the banjo-tones by an attachment
or especially by partly-closed air-cavities.
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271 | .... Closed back: |
This subclass is indented under subclass 270. Banjos having the back partly or wholly closed. | |
272 | .... Two rings: |
This subclass is indented under subclass 270. Banjos in which the head is stretched over two concentric rings. | |
273 | .... Mutes: |
This subclass is indented under subclass 270. A mute or damper for pressing on the head.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
274 | .. Violins: |
This subclass is indented under subclass 173. Improvements not likely to be applicable to any instruments other than those of the violin family and not belonging in subclasses below; also patents involving two specific features. | |
275 | ... Bodies: |
This subclass is indented under subclass 274. Modifications in the body of a violin. | |
276 | .... Bass bars: |
This subclass is indented under subclass 275. Changes in the bass-bar. | |
277 | .... Sound posts: |
This subclass is indented under subclass 275. Changes in the sound-post. | |
278 | ... Combined chin rest and support: |
This subclass is indented under subclass 274. Patents covering a combination of the two features. | |
279 | ... Chin rests: |
This subclass is indented under subclass 274. Changes in chin-rests. | |
280 | ... Supports: |
This subclass is indented under subclass 274. Changes in supports for a violin or violoncello. | |
281 | ... Positioning devices: |
This subclass is indented under subclass 274. Means for holding the player’s arm and the violin in proper position. | |
282 | ... Bows: |
This subclass is indented under subclass 274. Modifications in the construction of violin-bows. | |
283 | ... Bow guides: |
This subclass is indented under subclass 274. Devices for guiding the bow in proper relation to the strings. | |
284 | .. Dulcimers: |
This subclass is indented under subclass 173. Strings stretched over a sounding-board to be struck by hammers in the player’s hands. | |
285 | .. Zithers: |
This subclass is indented under subclass 173. Strings stretched over a sounding-board in position to be
picked; the strings are often divided into melody-strings and accompaniment-strings,
the former sometimes lying over a finger-board.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
286 | ... Chord selectors: |
This subclass is indented under subclass 285. Instruments, usually of the zither type, in which strings are sounded in chord groups, specifically by multiple picks or hammers fixed on a bar and operating simultaneously. | |
287 | .... Damper-bar type: |
This subclass is indented under subclass 286. The dampers mute all strings except those needed for the
desired chord.
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288 | ..... Dampers independent: |
This subclass is indented under subclass 287. These dampers may be operated by hand or by a tune-sheet. | |
289 | .... Guard-plate type: |
This subclass is indented under subclass 286. The plate has holes through which a pick strikes strings that furnish a chord. | |
290 | .. Details: |
This subclass is indented under subclass 173. Includes features not practically limited to a single one of the well-known types of stringed instruments in the subclasses above. | |
291 | ... Bodies: |
This subclass is indented under subclass 290. Hollow resonance-bodies for instruments having a neck.
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292 | .... Metal: |
This subclass is indented under subclass 291. Bodies of metal. | |
293 | ... Necks: |
This subclass is indented under subclass 290. Patents covering the construction of the neck or its connection or inclination to the body. | |
294 | ... Resonance devices: |
This subclass is indented under subclass 290. Devices for changing the quality of tone of an instrument,
as air-cavities, extra sounding-boards, sympathetically-vibrating
parts, or small membranes.
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| |||
295 | .... Auxiliary strings: |
This subclass is indented under subclass 294. Extra strings inside or outside of the body. | |
296 | .... With diaphragm: |
This subclass is indented under subclass 294. The string sets a diaphragm in vibration.
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297R | ... Strings and fastenings: |
This subclass is indented under subclass 290. Improvements in the string and the means for fastening it.
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298 | .... Guitar bridges: |
This subclass is indented under subclass 297. These usually hold the end of the string and a separate tailpiece is not necessary. | |
299 | .... Guitar bridges with tailpieces: |
This subclass is indented under subclass 297. Both a bridge and a tailpiece are used. | |
300 | .... Banjo tailpieces: |
This subclass is indented under subclass 297. Tailpieces specially adapted to a banjo. | |
301 | .... Mandolin tailpieces: |
This subclass is indented under subclass 297. Tailpieces specially adapted to a mandolin. | |
302 | .... Violin tailpieces: |
This subclass is indented under subclass 297. Tailpieces specially adapted to a violin. | |
303 | .... Spools: |
This subclass is indented under subclass 297. Devices for winding up the surplus length of string. | |
304 | .... Tuning pegs: |
This subclass is indented under subclass 297. Patents mostly for simple tuning-pegs, sometimes with means for gripping the string. | |
305 | ..... Friction increasers: |
This subclass is indented under subclass 304. Means for holding the peg more tightly than usual. | |
306 | .... Worm gear: |
This subclass is indented under subclass 297. Tuning devices having a worm-gear.
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297S | .... Strings |
This subclass has no definition. | |
307 | ... Bridges: |
This subclass is indented under subclass 290. Bridges not limited to the following subclasses. | |
308 | .... Banjo: |
This subclass is indented under subclass 307. Bridges specially adapted to a banjo-head. | |
309 | .... Violin: |
This subclass is indented under subclass 307. Bridges specially adapted to a violin. | |
310 | .... Violin mutes: |
This subclass is indented under subclass 307. Devices to be applied to violin-bridges; sordines. | |
311 | ..... Attached: |
This subclass is indented under subclass 310. The mute is attached to the violin and can be readily shifted into operative position. | |
312R | ... Tunings: |
This subclass is indented under subclass 290. Unusual tunings or arrangement of chord groups, particularly in zithers. | |
312P | .... Pedal operated steel guitars |
This subclass has no definition. | |
313 | ... Tremolo devices: |
This subclass is indented under subclass 290. Device for producing amplitude modulation. | |
314R | ... Finger boards and frets: |
This subclass is indented under subclass 290. Includes the structure of the finger-board, markings on it, frets, and nuts. | |
314N | .... Nuts |
This subclass has no definition. | |
315 | ... Fingering devices: |
This subclass is indented under subclass 290. Devices to shorten or stop a string at proper points, as
a guitar player does with his finger.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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316 | .... For semitone: |
This subclass is indented under subclass 315. Devices to sharp or flat a note, so as to change the key.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
317 | .... For chords: |
This subclass is indented under subclass 315. Devices to finger several strings at once, so that a chord
may be produced.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
318 | ..... Capo tastos: |
This subclass is indented under subclass 317. Clamps to shorten all the strings of a guitar or to perform an equivalent operation on other instruments. | |
319 | .... Stopping fingers or blocks: |
This subclass is indented under subclass 315. Devices held by the player to stop one or more strings, such as on the Hawaiian guitar. | |
320 | ... Picking devices: |
This subclass is indented under subclass 290. Miscellaneous devices for picking, plucking, or pulling
strings.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
321 | .... Picks on reciprocating carriage: |
This subclass is indented under subclass 320. All the picks are reciprocated at once. | |
322 | .... Hand or finger picks: |
This subclass is indented under subclass 320. Simple picks held by the player. | |
323 | ... Hammer mechanism: |
This subclass is indented under subclass 290. Patents for simple actions adapted to a zither and usually
downstriking.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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324 | .... Spring-shank hammer: |
This subclass is indented under subclass 323. To produce a vibrato or tremolo effect.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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325 | ... Bowing mechanism: |
This subclass is indented under subclass 290. For violins or zithers.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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326 | .... With keyboard: |
This subclass is indented under subclass 325. The keys operate fretting or fingering means, so that only
a few strings are needed.
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327 | ... Instrument supports: |
This subclass is indented under subclass 290. Devices for supporting or positioning guitars, etc., during
playing.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
328 | ... Arm, hand, or finger rests: |
This subclass is indented under subclass 290. Means to support the player’s hand in proper relation
to the instrument.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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329 | ... Article holders: |
This subclass is indented under subclass 290. Devices attached to an instrument to hold an article, such as a pick or a cake of rosin. | |
330 | . Wind: |
This subclass is indented under subclass 1. Miscellaneous wind instruments and some details not elsewhere
classifiable; also combinations of pipes and reeds.
| |||
331 | .. Pipe organs: |
This subclass is indented under subclass 330. Patents covering the whole organization or several details or features not elsewhere classifiable. | |
332 | ... Actions: |
This subclass is indented under subclass 331. Pipe-organ actions not belonging to a specific subclass.
| |||
333 | .... Stop chambers: |
This subclass is indented under subclass 332. Combinations belonging to type 2 of the Note above. | |
334 | .... Single chamber: |
This subclass is indented under subclass 332. Combinations belonging to type 3 of the above Note. | |
335 | .... Pneumatic details: |
This subclass is indented under subclass 332. The invention is essentially embodied in one pneumatic and valve. | |
336 | ..... Membrane valve: |
This subclass is indented under subclass 335. A diaphragm serves as a valve. | |
337 | .... Electric: |
This subclass is indented under subclass 332. Includes patents for complete organizations and for electric
details; also inertia-controlled circuit-closers.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
338 | .... Electropneumatic: |
This subclass is indented under subclass 332. Includes organizations in which electromagnetic valves control pneumatics; also pneumato-electric actions in which pneumatics control switches in the circuits of electromagnets. | |
339 | ..... Details: |
This subclass is indented under subclass 338. Includes units or details of such actions. | |
This subclass has no definition. | |
340 | ..... Pneumatic: |
Pneumatic means for coupling parts of an organ. | |
341 | ..... Electric: |
Electric means for coupling parts of an organ.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||||||||||
342 | .... Key valves: |
This subclass is indented under subclass 332. Details of the pallet or other key-operated valve.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
343 | .... Stop actions: |
This subclass is indented under subclass 332. Details of the draw-stops or stop-keys, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
344 | ..... Combination: |
This subclass is indented under subclass 343. A single pedal or button brings on a plurality of stops selected by the organ builder. | |
345 | ...... Adjustable: |
This subclass is indented under subclass 344. A single pedal or button brings on a plurality of stops
selected by the player.
| |||
346 | ... Swells: |
This subclass is indented under subclass 331. Patents relating to swell-shutters and means for operating them. | |
347 | .... Electropneumatic: |
This subclass is indented under subclass 346. The shutters are operated or controlled by an electropneumatic action. | |
348 | ... Valve tremolos: |
This subclass is indented under subclass 331. A vibrating valve produces an irregularity in the flow of
air and so in loudness of the sound.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
349 | ... Pipes: |
This subclass is indented under subclass 331. The improvement is embodied in one individual pipe. | |
350 | .... Reed: |
This subclass is indented under subclass 349. The improvement is embodied in one individual reed-pipe, which usually has a beating-reed. | |
351 | .. Reed organs: |
This subclass is indented under subclass 330. Patents for the general construction of a reed-organ.
| |||||
352 | ... Cases: |
This subclass is indented under subclass 351. Patents for features of the case. | |
353 | .... Pedals: |
Patents wherein there is some modification of the case around
the pedals.
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| |||||
354 | ... Folding: |
This subclass is indented under subclass 351. Collapsible or "suitcase" organs. | |
355 | ... Wind-supply devices: |
This subclass is indented under subclass 351. Includes pumpers and sometimes electric motors.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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356 | .... Pressure and exhaust: |
This subclass is indented under subclass 355. Instruments involving both exhaust and pressure mechanisms. | |
357 | .... Pedals: |
This subclass is indented under subclass 355. Includes pedals and connections to the bellows.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
358 | ..... Auxiliary: |
This subclass is indented under subclass 357. For the use of children.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
359 | .... Distribution: |
This subclass is indented under subclass 355. Includes parts between the pumpers and the actions.
SEE OR SEARCH CLASS:
| |||
360 | ... Reed boards: |
This subclass is indented under subclass 351. Boards in which the reed-cells are formed. | |
361 | .... With qualifying tubes: |
This subclass is indented under subclass 360. Tubes each communicating with one or a very few reed-cells. | |
362 | .... With resonance chamber: |
This subclass is indented under subclass 360. Chambers each communicating with many cells. | |
363 | ... Reeds: |
This subclass is indented under subclass 351. Patents where the improvement is in the reed alone. | |
364 | .... With tuning means: |
This subclass is indented under subclass 363. Means for tuning the reed are included. | |
365 | ... Key actions: |
This subclass is indented under subclass 351. Modifications in the parts of the action operated or controlled by the keys; devices to start the tongue in prompt vibration. | |
366 | .... Pedal: |
This subclass is indented under subclass 365. Actions connected to a pedal-keyboard. | |
367 | .... Pneumatic: |
This subclass is indented under subclass 365. Patents including a pneumatic in the key action. | |
368 | .... Pallets: |
This subclass is indented under subclass 365. Key-operated valves.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
369 | ... Stop actions: |
This subclass is indented under subclass 351. Patents relating to draw-stops and to the mutes and other parts of the action operated by the stops. | |
370 | .... Combination: |
This subclass is indented under subclass 369. Means to operate several stops in combination. | |
371 | .... Celeste: |
This subclass is indented under subclass 369. Devices to produce the "celeste" effect. | |
372 | ... Swells: |
This subclass is indented under subclass 351. Mute, draw-stop, or shutters operated by knee or foot lever or bellows. | |
373 | ... Couplers: |
This subclass is indented under subclass 351. Devices to cause two notes, usually an octave apart, to
sound when one key is depressed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
374 | ... Fan tremolos: |
This subclass is indented under subclass 351. Devices to produce interruptions in the flow of sound, usually
of the rotating-fan type.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
375 | .. Minor reed: |
This subclass is indented under subclass 330. Includes imitation trumpets, jews’-harps, and reed-horns
of variable pitch.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
376R | ... Accordions: |
This subclass is indented under subclass 375. Wind is supplied by a hand-operated bellows and the reeds
are controlled by valves and keys.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
376A | .... Attachments, supports and locks |
This subclass has no definition. | |
376EA | .... Electronically amplified |
This subclass has no definition. | |
376K | .... Keys and keyboards |
This subclass has no definition. | |
376SM | .... Shift mechanisms |
This subclass has no definition. | |
377 | ... Harmonicas: |
This subclass is indented under subclass 375. Mouth-blown instruments usually sounding chords and rarely having keys. | |
378 | .... With resonance chambers: |
This subclass is indented under subclass 377. A resonance tube or chamber is added. | |
379 | .... Supports: |
This subclass is indented under subclass 377. Devices to support a harmonica on another instrument or on the player’s body. | |
380R | .. Wood winds: |
This subclass is indented under subclass 330. Includes patents for features that are readily applicable to various instruments. | |
381 | ... Duplex: |
This subclass is indented under subclass 380. Instruments having two tubes to be blown and fingered simultaneously. | |
382 | ... Clarinets: |
This subclass is indented under subclass 380. Includes features specially applicable to clarinets. | |
383R | .... Mouthpieces: |
This subclass is indented under subclass 382. Single-reed mouthpieces and elements thereof. | |
383A | ..... Reeds |
This subclass has no definition. | |
384 | ... Flutes: |
This subclass is indented under subclass 380. Features pertaining to flutes and similar instruments that give the octave on overblowing. | |
385R | ... Saxophones: |
This subclass is indented under subclass 380. Details not applicable to other instruments. | |
385A | .... Woodwind supports |
This subclass has no definition. | |
385P | .... Pads |
This subclass has no definition. | |
386 | ... Pitch-changing devices: |
This subclass is indented under subclass 380. Devices for changing the key or the pitch; transposers. | |
380A | ... Double reed |
This subclass has no definition. | |
380B | ... Bagpipes |
This subclass has no definition. | |
380C | ... Edge tone |
This subclass has no definition. | |
387R | .. Brasses: |
This subclass is indented under subclass 330. Band instruments commonly called "brasses", whatever their specific names may be; this subclass includes combinations and features not classifiable below. | |
388 | ... Valve type: |
This subclass is indented under subclass 387. Instruments, of which the cornet is typical, usually having three piston-valves. | |
389 | .... With four valves: |
This subclass is indented under subclass 388. Cornets, etc., having four or more valves. | |
390 | .... Rotary movement: |
This subclass is indented under subclass 388. The valves rotate. | |
391 | .... Helical or sliding movement: |
This subclass is indented under subclass 388. The valves have a combined rotating and sliding movement or the engaging surfaces of the valve and its seat are planes. | |
392 | .... Piston details: |
This subclass is indented under subclass 388. Details of the piston-valve. | |
393 | .... With substitute tubes: |
This subclass is indented under subclass 388. Each valve controls two tubes of different length, often symmetrically placed, whereby the difference in timbre between open and valve tones is diminished. | |
394 | .... Tuning devices: |
This subclass is indented under subclass 388. Means to change the key or pitch. | |
395 | ... Trombones: |
This subclass is indented under subclass 387. Instruments in which the changes in length of the vibrating air column depend on a slide. | |
396 | .... Tuning devices: |
This subclass is indented under subclass 395. Means to change the key or pitch specially adapted to a trombone. | |
397 | ... Drainage: |
This subclass is indented under subclass 387. Water-keys and analogous devices. | |
398 | ... Mouthpieces: |
This subclass is indented under subclass 387. Cornet and similar mouthpieces, usually cup-shaped. | |
399 | .... Adjustable: |
This subclass is indented under subclass 398. Adjustable in length or internal shape or having interchangeable parts. | |
400 | ... Mutes: |
This subclass is indented under subclass 387. Cornet-mutes to enable the player to produce a softer tone than usual. | |
401 | ... Tremolos: |
This subclass is indented under subclass 387. Devices by which a tremolo effect may be produced. | |
387A | ... Supports |
This subclass has no definition. | |
402 | . Rigid vibrators: |
This subclass is indented under subclass 1. Miscellaneous constructions and features.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
403 | .. Bars and supports: |
This subclass is indented under subclass 402. Bars supported at nodal points to vibrate transversely and means for supporting them; also some end-supported bars and some resonators; hand-strikers are used. | |
404 | ... With strikers: |
This subclass is indented under subclass 403. Bars furnishing the notes of a scale and strikers therefor.
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| |||||||
405 | ... With electric action: |
This subclass is indented under subclass 403. The bars are vibrated by electromagnets. | |
406 | .. Bells: |
This subclass is indented under subclass 402. A musical instrument usually including a plurality of bells
and strikers or equivalents.
SEE OR SEARCH CLASS:
| |||
407 | ... With electric action: |
This subclass is indented under subclass 406. The strikers are actuated or controlled by electromagnets.
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| |||
408 | .. Tongues: |
This subclass is indented under subclass 402. Short bars fixed at one end like the teeth of a comb and
vibrated by a pick.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
409 | .. Forks: |
This subclass is indented under subclass 402. A musical instrument comprising tuning-forks and their strikers.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
410 | .. Resonators: |
This subclass is indented under subclass 402. Hollow bodies serving as resonators for a bar, fork, etc.
SEE OR SEARCH CLASS:
| |||
411R | . Drums: |
This subclass is indented under subclass 1. Miscellaneous drums not classifiable in the subclasses indented hereunder. | |
412 | .. Collapsible: |
This subclass is indented under subclass 411. Drums collapsible for convenience of transportation. | |
413 | .. Cord tighteners: |
This subclass is indented under subclass 411. Means for tightening cords that stretch the heads. | |
414 | .. Head material: |
This subclass is indented under subclass 411. Unusual materials for the head. | |
415 | .. Snares: |
This subclass is indented under subclass 411. Miscellaneous features of construction. | |
416 | ... Material: |
This subclass is indented under subclass 415. The invention is in the material used. | |
417 | ... Inside: |
This subclass is indented under subclass 415. The snares are inside the head. | |
418 | .. Tambourines: |
This subclass is indented under subclass 411. Shallow drums with a single head. | |
419 | .. Tympani: |
This subclass is indented under subclass 411. Kettledrums and tuning means therefor. | |
420 | .. Toy: |
This subclass is indented under subclass 411. Small cheap drums used as toys. | |
421 | .. Supports: |
This subclass is indented under subclass 420. Devices for supporting drums.
SEE OR SEARCH CLASS:
| |||
411A | .. Unitension |
This subclass has no definition. | |
411M | .. Mutes |
This subclass has no definition. | |
411P | .. Practice Pads |
This subclass has no definition. | |
422.1 | . Drum and cymbal beaters: |
This subclass is indented under subclass 1. Subject matter which are foot-operated bass drum beaters. | |
422.2 | .. Combined: |
This subclass is indented under subclass 422.1. Subject matter combined with cymbal beaters. | |
422.3 | .. Hi-hat: |
This subclass is indented under subclass 422.1. Subject matter which are cymbal beaters (e.g., Hi-Hat, etc.). | |
422.4 | .. Drumsticks: |
This subclass is indented under subclass 422.1. Subject matter which are drumsticks. | |
This subclass has no definition. | |
423R | .. Keyboards: |
Miscellaneous patents involving several features or features not specifically classified. | |
424 | ... Plurality of manuals: |
This subclass is indented under subclass 423. Keyboards like those of a pipe-organ and couplers therefor. | |
425 | ... Auxiliary: |
This subclass is indented under subclass 423. Keys of one set operate, respectively, keys of another set. | |
426 | .... Pedal: |
This subclass is indented under subclass 425. The keys of the first set are foot-operated. | |
427 | ... Plurality of touch plates: |
This subclass is indented under subclass 423. All or some of the keys have two places for fingering; stepped keys. | |
428 | .... Whole-tone scale: |
This subclass is indented under subclass 427. Successive keys furnish notes a whole tone apart; Janko keyboards, etc. | |
429 | ... Curved front: |
This subclass is indented under subclass 423. The front ends of the keys lie along a curved line. | |
430 | ... Key bottoms: |
This subclass is indented under subclass 423. Changes in the part of the case which supports the key-frame. | |
431 | .... Folding: |
This subclass is indented under subclass 430. The bottom and keys fold into the case. | |
432 | ... Key frames adjustable: |
This subclass is indented under subclass 423. Means to vary the striking-point in a horizontal piano or to level the key-frame. | |
433 | ... Keys: |
This subclass is indented under subclass 423. The improvement can be embodied in a single key. | |
434 | .... Fulcrums and guides: |
This subclass is indented under subclass 433. Improvements in both fulcrum and guide. | |
435 | .... Fulcrums: |
This subclass is indented under subclass 433. Improvements in the fulcrum. | |
436 | .... Guides: |
This subclass is indented under subclass 433. Improvements in the guiding devices.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
437 | .... Plating: |
This subclass is indented under subclass 433. Improvements in the ivory or other covering. | |
438 | ... Manufacturing processes: |
This subclass is indented under subclass 423. Various processes of manufacture. | |
439 | ... Touch regulators: |
This subclass is indented under subclass 423. Means to adjust the depth or other characteristics of the
touch.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
440 | .... Resistance: |
This subclass is indented under subclass 439. Means to adjust the resistance of the keys. | |
441 | ... Key holders: |
This subclass is indented under subclass 423. Means to hold down a depressed key, so as to sustain the
sound, generally in organs.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
423A | ... Uniform |
This subclass has no definition. | |
423B | ... Button type |
This subclass has no definition. | |
442 | .. Key selectors: |
Means for selecting out of the twelve keys of an octave those needed for any diatomic scale. | |
443 | .. Chord players: |
Means whereby a single key or button sounds a chord.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
444 | ... Pedal operated: |
This subclass is indented under subclass 443. Means whereby a single pedal sounds a chord. | |
445 | .. Transposers: |
Devices whereby each sound produced is systematically different
in pitch from that normally associated with the key struck.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
446 | ... Auxiliary keyboard: |
This subclass is indented under subclass 445. A shiftable keyboard superposed on the ordinary one. | |
447 | ... Keyboard shifted: |
This subclass is indented under subclass 445. The keyboard is shifted relatively to the action. | |
448 | ... Intermediate parts shifted: |
This subclass is indented under subclass 445. Parts between the keyboard and sounders are shifted. | |
449 | ... Sounders shifted: |
This subclass is indented under subclass 445. The sounders are shifted. | |
450 | .. Solo attachments: |
Devices for emphasizing the highest or lowest note of a chord; "melody attachment". | |
451 | .. Special or enharmonic scales: |
Pianos or organs furnishing more than twelve notes to the octave or tuned to give a scale different from the equally-tempered scale of the piano; special keyboards and connections therefrom; quarter-tone instruments; enharmonic instruments. | |
452R | .. Materials: |
Patents in which the novelty resides in a substitution of
material.
| |||
452P | ... Plastic material |
This subclass has no definition. | |
453 | ACCESSORIES: |
This subclass is indented under the class definition. Devices used in connection with a musical instrument, but
not necessary to the production of music.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
454 | . Tuning devices: |
This subclass is indented under subclass 453. Miscellaneous devices.
| |||
455 | .. Strings: |
This subclass is indented under subclass 454. Strings, usually on a graduated bar; monochord; sonometer. | |
456 | .. Pipes and reeds: |
This subclass is indented under subclass 454. Pitch-pipes, reeds, etc., furnishing one or more notes of definite pitch. | |
457 | .. Forks: |
This subclass is indented under subclass 454. Tuning-forks.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
458 | .. Tools and machines: |
This subclass is indented under subclass 454. Machines for both shaping and blowing reeds; also some hand tools. | |
459 | ... Tuning hammers: |
This subclass is indented under subclass 458. Piano-tuners’ wrenches. | |
460 | ... Felt pickers: |
This subclass is indented under subclass 458. Needles and carriers for picking felt hammer-heads. | |
461 | . Recording devices: |
This subclass is indented under subclass 453. Devices for recording the movement of keys of a keyboard.
SEE OR SEARCH CLASS:
| |||
462 | .. Electric: |
This subclass is indented under subclass 461. These devices involve electric circuits. | |
463 | .. Applying expression lines: |
This subclass is indented under subclass 461. Means for applying expression lines or marks to a record-sheet. | |
464R | . Producing color or light effects: |
This subclass is indented under subclass 453. Devices for producing light or color effects combined with
an instrument for producing music.
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| |||||||
464A | .. Lights in Instrument |
This subclass has no definition. | |
465 | . Exercising devices: |
Devices to aid students in learning to play an instrument.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
466 | .. For singers: |
This subclass is indented under subclass 465. Devices to aid in voice-training. | |
467 | .. For pianists: |
This subclass is indented under subclass 465. Includes practice-keyboards; "claviers".
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
468 | ... Attached to performer: |
This subclass is indented under subclass 467. Devices attached to the player’s hand or body. | |
469 | ... Armrest rail: |
This subclass is indented under subclass 467. A rail fixed to the piano-case to position the player’s
arm.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
470R | . Teaching devices: |
This subclass is indented under subclass 453. Devices for use in teaching music, some with sounders; charts;
indicators.
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| |||
471R | .. Charts or boards: |
This subclass is indented under subclass 470. Various kinds of charts. | |
472 | ... Easel type: |
This subclass is indented under subclass 471. Devices adapted to stand vertically and others of analogous
construction and use.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
473 | ... With transposing slide: |
This subclass is indented under subclass 471. Devices having a slide for illustrating change of key. | |
474 | ... With transposing dial: |
This subclass is indented under subclass 471. Similar devices having a dial. | |
475 | ... For transcribing: |
This subclass is indented under subclass 471. Various devices useful in writing music, such as from a record or for a transposing instrument. | |
471SR | ... Slide rules |
This subclass has no definition. | |
476 | .. Blocks: |
This subclass is indented under subclass 470. Blocks or cards having musical characters.
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| |||||||
477R | .. Indicators: |
This subclass is indented under subclass 470. Miscellaneous visual devices responding to movements of keys or directing their movement or showing note relationships. | |
478 | ... For keyboard: |
This subclass is indented under subclass 477. To be used on a keyboard. | |
479R | .... Single position: |
This subclass is indented under subclass 478. A card or board bearing indicia to register with the keys of the instrument-keyboard. | |
480 | ..... With transposing slide: |
This subclass is indented under subclass 479. The card has a slide to indicate various major or minor keys. | |
481 | ..... Plurality of cards: |
This subclass is indented under subclass 479. A plurality of cards, each for a single key. | |
479A | ..... On keyboard |
This subclass has no definition. | |
482 | .... Shiftable: |
This subclass is indented under subclass 478. The card is shifted along the keyboard for transposition. | |
483.1 | ... Tune sheets: |
This subclass is indented under subclass 477. Subject matter having sheets bearing the music and located with special reference to the keys or sounders. | |
483.2 | .... Notation systems: |
This subclass is indented under subclass 483.1. Subject matter including notation systems. | |
484 | ... For tempo: |
This subclass is indented under subclass 477. Devices for indicating the tempo or rhythm. | |
485R | ... For fingering: |
This subclass is indented under subclass 477. The music-sheet has marks showing what finger is to be used in producing a note. | |
485SR | .... Slide rules |
This subclass has no definition. | |
477B | ... Twirling and conducting batons |
This subclass has no definition. | |
470P | .. Phonograph recorders |
This subclass has no definition. | |
486 | . Leaf turners: |
This subclass is indented under subclass 453. Patents showing constructions not clearly belonging in one
of the following subclasses or showing features applicable to various
types of leaf-turners.
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| |||||||||
487 | .. Motor operated: |
This subclass is indented under subclass 486. In these generally a spring-motor is released repeatedly
to turn leaf-holding arms forward and back; the motor must be rewound
from time to time.
| |||
488 | .. Gravity operated: |
This subclass is indented under subclass 486. The leaves are moved by the weight of some part. | |
489 | .. Hand and spring operated arms: |
This subclass is indented under subclass 486. The arms are started by hand and their movement continued
by springs.
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This subclass has no definition. | |
490 | ... Plurality of latches: |
There is a latch for each arm. | |
491 | .... Fixed latches: |
This subclass is indented under subclass 490. The latches are fixed and the arms are moved slightly to release them. | |
492 | .... Plurality of releasers: |
This subclass is indented under subclass 490. There is a releaser, key, or pedal for each arm. | |
493 | ..... Latches and releasers pivoted: |
This subclass is indented under subclass 492. Both latches and releasers are pivoted. | |
494 | ...... Integral: |
This subclass is indented under subclass 493. Each latch is integral with its releaser and is pivoted. | |
495 | ... Single latch: |
One latch holds all the arms, so only one releaser is needed. | |
496 | .... Fixed latch: |
This subclass is indented under subclass 495. The latch is fixed and commonly it holds directly the outermost arm. | |
497 | .... Sliding latch: |
This subclass is indented under subclass 495. The latch slides to release the arms successively. | |
498 | .... Escapement: |
This subclass is indented under subclass 495. The latch has means to catch the following arm before or as it releases the front one. | |
499 | ..... Air operated: |
This subclass is indented under subclass 498. The latch is operated by a puff of air. | |
500 | .. Single spring arm: |
This subclass is indented under subclass 486. There is only one arm, and this is spring-operated.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
501 | ... Latch and releaser integral: |
This subclass is indented under subclass 500. The two functions are served by one integral piece. | |
502 | .. Player-operated arms: |
This subclass is indented under subclass 486. The player supplies the power to turn the arms through finger-pieces and connections called "actuators". | |
503 | ... Plurality of actuators: |
This subclass is indented under subclass 502. One for each arm. | |
504 | .... Plurality of finger pieces: |
This subclass is indented under subclass 503. One for each arm. | |
505 | ..... Actuators pivoted: |
This subclass is indented under subclass 504. The actuator is pivoted; often it is a gear or segmental gear. | |
506 | ..... Actuators and finger pieces integral: |
This subclass is indented under subclass 504. Each finger-piece is integral with its actuator. The latter is often toothed. | |
507 | .... Single finger piece: |
This subclass is indented under subclass 503. One finger-piece operates successively all the actuators and arms; single actuator operates all the arms. | |
This subclass has no definition. | |
508 | .... Progressive action: |
The actuator moves on step by step to shift the successive arms. | |
509 | ..... Arms and actuator on different axes: |
This subclass is indented under subclass 508. The arms and actuator are pivoted on different axes. | |
510 | ...... With segmental gear: |
This subclass is indented under subclass 509. The actuator has a segmental gear. | |
511 | .... Sliding actuator: |
The actuator slides. | |
512 | ..... With segmental rack: |
This subclass is indented under subclass 511. It includes a segmental rack. | |
513 | .... Repeating action: |
The actuator after shifting one arm returns for the next one. | |
514 | ..... Arms and actuator on different axes: |
This subclass is indented under subclass 513. The arms and actuator are pivoted on different axes. | |
515 | ..... Sliding actuator: |
This subclass is indented under subclass 513. The actuator slides. | |
516 | .. Single arm: |
This subclass is indented under subclass 486. Devices for turning a single leaf or sometimes a sheet around its center. | |
517 | .. Single transfer bar: |
This subclass is indented under subclass 486. There are no arms with clips, but a single actuator engages successively leaves or attachments on them. | |
518 | ... With buckling devices: |
This subclass is indented under subclass 517. Devices for partly raising a leaf, so that the bar or finger may pass under it. | |
519 | ... With suction devices: |
This subclass is indented under subclass 517. The leaf is lifted by a suction-head. | |
520 | ... Leaves prepared: |
This subclass is indented under subclass 517. The leaves are notched or otherwise modified to cooperate with the mechanism. | |
521 | .... With magnetic disks: |
This subclass is indented under subclass 520. The leaves carry iron disks to be attracted by magnets on the transfer-bar. | |
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This subclass has no definition. | |
DIG1 | PLURAL SPEAKERS |
This subclass has no definition. | |
DIG2 | PREFERENCE NETWORKS |
This subclass has no definition. | |
DIG3 | FOLDABLE; DETACHABLE; COLLAPSIBLE |
This subclass has no definition. | |
DIG4 | CHORUS; ENSEMBLE; CELESTE |
This subclass has no definition. | |
DIG5 | CHIFF |
This subclass has no definition. | |
DIG6 | CATHODE-RAY TUBE |
This subclass has no definition. | |
DIG7 | ELECTRIC KEY SWITCH STRUCTURE |
This subclass has no definition. | |
DIG8 | KEYED OSCILLATORS |
This subclass has no definition. | |
DIG9 | FILTERING |
This subclass has no definition. | |
DIG10 | FEEDBACK |
This subclass has no definition. | |
DIG11 | FREQUENCY DIVIDERS |
This subclass has no definition. | |
DIG12 | SIDE; RHYTHM AND PERCUSSION DEVICES |
This subclass has no definition. | |
DIG13 | GAS DISCHARGE TUBE |
This subclass has no definition. | |
DIG14 | HARMONICAS |
This subclass has no definition. | |
DIG15 | ACCORDIONS |
This subclass has no definition. | |
DIG16 | CRESCENDO |
This subclass has no definition. | |
DIG17 | CABINETS |
This subclass has no definition. | |
DIG18 | TUNING |
This subclass has no definition. | |
DIG19 | LIGHT SENSITIVE RESISTOR |
This subclass has no definition. | |
DIG20 | MONOPHONIC |
This subclass has no definition. | |
DIG21 | MECHANICAL RESONATOR |
This subclass has no definition. | |
DIG22 | CHORD ORGANS |
This subclass has no definition. | |
DIG23 | ELECTRONIC GATES FOR TONES |
This subclass has no definition. | |
DIG24 | PIEZOELECTRICAL TRANSDUCERS |
This subclass has no definition. | |
DIG25 | PEDAL CLAVIER |
This subclass has no definition. | |
DIG26 | REVERBERATION |
This subclass has no definition. | |
DIG27 | STEREO |
This subclass has no definition. | |
DIG28 | SERVICE MANUALS |
This subclass has no definition. | |
DIG29 | TAPE |
This subclass has no definition. | |
DIG30 | FRET CONTROL |
This subclass has no definition. | |