(A) Systems, processes and instruments for the two-way electrical
transmission of intelligible audio information having arbitrary
content over a link including an electrical conductor, between spaced
apart locations, so as to enable conversation therebetween, and
intended for the private use of a listener or a group of listeners.
The term "intelligible" used above is intended to include the capability
for transmission of speech or the like (e.g., music), rather than
restriction to a specified audible signal, such as a bell or buzzer.
(B) Switching, signalling or signal transmission peculiar to,
or specified as for a telephone or a telephone system, except for
multiplex communications as indicated in Lines With Other Classes
and Within This Class, below.
(C) Subsystems, elements and adjuncts peculiar to such transmission
and not provided for elsewhere.
SECTION II - LINES WITH OTHER CLASSES AND WITHIN THIS CLASS
(1) Bi-directional audio communication is normally a duplex
arrangement, and simultaneous audio transmission of a single conversation
is in this class (379) and excluded from Class 370, Multiplex Communications, in
the absence of some other particular multiplexing technique.
(2) With exception of voice signal duplexing as pointed out
in (1) above, subject matter including multiplexing, particularly
involving plural conversations, regardless of recitation of telephone
limitations, is excluded from this class (379) and is classified
elsewhere.
(3) Audible signalling for call alerting, or producing a signal
having other specific content, such as bells, buzzers, etc., are
classified elsewhere, even if nominally characterized as used in
a telephone.
(4) Electromagnetic switches for automatic telephone switching
type, per se, are classified elsewhere.
(5) Electrical connectors merely nominally characterized as
for telephones, in the absence of additional telephone structure
are classified elsewhere.
(6) Named communications or telecommunications networks absent
recitation of telephone or voice limitation are not classifiable
herein.
(7) The following terms when used in a communication system
or instrument are considered to specify telephone equipment except
as specified in (2) above with respect to multiplexing or in class
or subclass search notes: dial tone - off-hook, handset - on-hook,
hookswitch - ringback, howler - sidetone, intercom - switchboard,
key set - switchhook, telephone line (used with switching system),
tip and ring (leads)
RELATIONSHIP TO OTHER SPEECH COMMUNICATIONS CLASSES
This class (379) requires the capability for two-way spoken
communications, or specified used of a telephone line, and subsystems
peculiar to either of the above.
A mechanical telephone is classified elsewhere. See References
to Other Classes, below.
All speech or telephone equipment which conceals message content
despite interception or unauthorized reception of a telephone signal
is classified elsewhere. See References to Other Classes, below.
Electrical speech processing system and apparatus, including
for example, such systems as, megaphones, public address systems
and hearing aids; and transducers such as microphones, earphones
or loudspeakers and also includes either of a telephone microphone
or receiver are classified elsewhere. See References to Other Classes,
below.
Audio signal telecommunications by a modulated carrier wave
not having telephone land line structure or limitations is classified
elsewhere. See References to Other Classes, below.
SECTION III - SUBCLASS REFERENCES TO THE CURRENT CLASS
Communications: Electrical, for audible signalling for call alerting, or producing
a signal having other specific content, such as bells, buzzers,
etc., even if nominally characterized as used in a telephone.
Multiplex Communications, for subject matter including multiplexing, particularly
involving plural conversations, regardless of recitation of telephone
limitations;
subclasses 276+ for duplex transmission.
Cryptography, includes all speech or telephone equipment which
conceals message content despite interception or unauthorized reception of
a telephone signal.
Electrical Audio Signal Processing and Systems, a generic electrical speech processing system and
apparatus class and includes, for example, such systems as, megaphones,
public address systems and hearing aids; and transducers such as
microphones, earphones or loudspeakers and also includes either
of a telephone microphone or receiver, but not their combination
as in a handset.
Telecommunications, includes audio signal telecommunications by a modulated
carrier wave not having telephone land line structure or limitations.
SECTION V - GLOSSARY
BI-DIRECTIONAL
Capable of use, particularly in transmitting information in
two opposite directions. Additionally, when used to describe an
audio transducer, capable of conversion of sound both to and from
electrical signal variations.
CALL ADDRESS SIGNAL
An electrical representation of a called terminal designation
(i.e., telephone number) which controls switching apparatus to establish
a connection from a calling terminal.
DIALING
Generating a call address signal. Although a dial is
a rotary pulse generating switch, the term dialing is sometimes
used generically as in the terms "tone dialing" and "resistance
dialing".
SUBSCRIBER
Telephone user or service location.
SUBSCRIBER
Telephone circuitry or instruments at subscriber location.
TELEPHONE
An instrument, known as a user terminal set, containing an
audio reproducer, and a speech-to-electricity transducer. An obsolete
usage of this term (telephone) is broad enough to include a microphone
or reproducer; however, a microphone or reproducer, per se, is classified
in Class 381.
DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION
MEASUREMENT:
This subclass is indented under the class definition. Subject matter for either (a) evaluating or monitoring the
condition of a telephone system or a component thereof in order
to determine the presence of a faulty or nonstandard condition or
(b) quantitatively determining an electrical parameter of a telephone
system or component thereof.
(1)
Note. Testing to determine which one of several normal status
conditions exist (e.g., busy-idle, off-hook) is not classified in
this or indented subclasses.
(2)
Note. The testing or measurement must be specifically claimed
as in or for a telephone system or a component thereof for classification
in this or indented communication or telecommunication system is not
sufficient for classification in these subclasses.
Electricity: Electrical Systems and Devices,
subclasses 1 through 138for safety and protection of electrical systems
and devices not provided elsewhere.
Telecommunications,
subclasses 423 through 425,67.11-67.7, 115.1-115.4 and subclasses 226.1-226.4
for testing of a cellular radiotelephone system, system having transmitter
and receiver at separated stations, and transmitter or receiver
only station, respectively.
This subclass is indented under subclass 1.01. Subject matter including testing or qualifying an instrument
used for the retention, recovery, or formation of an audible information
signal (e.g., voice mail).
This subclass is indented under subclass 1.01. Subject matter including testing a two wire telephone
line using an audio modulated data signal to indicate proper line
quality.
This subclass is indented under subclass 1. Subject matter for testing a device for coupling a two-wire
to four-wire interconnecting circuit or for eliminating an echo
effect in a telephone system.
This subclass is indented under subclass 1. Subject matter which tests a device which amplifies or transfers
a signal between two telephone circuits, or circuit sections.
Multiplex Communications,
subclass 243 for fault detection of a multiplex repeater, and
subclasses 246+ for testing of a standard operation of
a multiplex repeater.
This subclass is indented under subclass 1. Subject matter to determine whether an undesired or surreptitious
receiving device is connected to telephone equipment.
This subclass is indented under subclass 1. Subject matter for evaluating the operation of a system
or component which selectively connects two of a plurality of telephone
lines for communication therebetween.
This subclass is indented under subclass 9. Subject matter including testing a new or replacement
software in a telephone switching system to ensure its proper operation.
This subclass is indented under subclass 9. Subject matter including the use of a computer workstation
for monitoring or routine testing the telephone network.
This subclass is indented under subclass 9. Subject matter including generating action reports with
regards to the outcome of a particular testing sequence including
initial input parameters.
This subclass is indented under subclass 9. Subject matter including the use of a spare equipment
in case of failure or overload of the primary system.
This subclass is indented under subclass 9. Subject matter including testing of circuitry which connects
a subscriber line or instrument to a telephone switching system
or network (e.g., analog to digital interface).
(1)
Note. The subscriber line interface circuitry (SLIC) performs
conventional Borscht functions such as, power to the telephone (battery
feed), over voltage protection, ringing, on or off hook status (supervision),
codec, 2 to 4 wire conversion (hybrid), and testing.
This subclass is indented under subclass 9. Subject matter which serially performs plural steps included
in a central switching arrangement evaluation.
This subclass is indented under subclass 10.01. Subject matter which automatically places the call by
the test equipment in order to perform the testing operation.
This subclass is indented under subclass 9. Subject matter for evaluating the operation of a individual
telephone central office or peripheral equipment.
This subclass is indented under subclass 15.01. Subject matter wherein computer based elements control
the operation of the telephone network via out of band signaling
(e.g., signaling system 7).
This subclass is indented under subclass 15.01. Subject matter includes testing the implementation or
operation of newly added functions to the system (e.g., special
services)
This subclass is indented under subclass 1. Subject matter in which a line test or measurement is performed
with a device which is small and light enough to be easily carried
by an individual.
This subclass is indented under subclass 1. Subject matter wherein a characteristic of an interexchange
or in specified telephone conductor is evaluated.
This subclass is indented under subclass 22. Subject matter including transmitting a known signal from
a testing location over a communication path to a second remote
location which retransmits the known signal back to the testing location
for use in evaluating the transmission path or a device are the
remote location.
Error Detection/Correction and Fault Detection/Recovery,
subclass 716 , for loopback testing of a communications circuit
of general utility by a digital test signal.
This subclass is indented under subclass 22.01. Subject matter which includes placing a signal into the
system to be tested and comparing the parameters of the output signal
from the system over a continuous range with the corresponding parameters
of the signal input.
(1)
Note. Such testing is often used in determination of degradation
or crosstalk.
This subclass is indented under subclass 22.01. Subject matter to determine the presence or location of
a conductor fault in a telephone line conductor.
Telecommunications,
subclasses 423 through 425,67.11-67.7, 115.1-115.4 and subclasses 226.1-226.4
for testing in a cellular radiotelephone system, system having
transmitter and receiver at separated stations, and transmitter
or receiver only station, respectively.
This subclass is indented under subclass 22.03. Subject matter to determine the presence or location of
a loop fault in a network transmission equipment used to provide
a pair gain function.
This subclass is indented under subclass 22.04. Subject matter which includes a test controller connecting
in tandem between testing facilities and central office switch
which responds to test initiation signals by connecting a metallic
pair to the test facilities at one end and to the subscriber voice
frequency drop at the other end.
This subclass is indented under subclass 22.03. Subject matter which includes an accessing device connected
between the testing equipment and the device under test for facilitating the
testing process or procedure.
This subclass is indented under subclass 22.03. Subject matter where a test signal is applied to more
than one conductors under test to locate the fault.
This subclass is indented under subclass 22.03. Subject matter wherein the evaluated parameter is representative
of an unwanted electrical disturbance or a spurious signal in the
circuit or substance being measured or tested.
This subclass is indented under subclass 22. Subject matter including structure for providing a quantitative
indication of an electrical characteristic of the line or trunk
or the signal thereon.
This subclass is indented under subclass 1.01. Subject matter for evaluating, measuring, or monitoring
a characteristic of a subscriber s line or card as well as service
function of an interface.
(1)
Note. Include herein the U or T type network terminating
interface, COT, SLIC, etc.
This subclass is indented under subclass 26.01. Subject matter which includes an automated diagnosis circuit
connected thereto and automatically places test signals to test
the subscriber s line card.
This subclass is indented under subclass 1.01. Subject matter for evaluating, measuring, or monitoring
a characteristic of a subscriber line or station.
This subclass is indented under subclass 27.01. Subject matter which includes placing a signal into the
system to be tested and comparing the parameters of the output signal
from the system over a continuous range with the corresponding parameters
of the signal input.
This subclass is indented under subclass 27.01. Subject matter which includes placing signals into the
system to be tested by using programmable, or automated testing
device.
Electricity: Electrical Systems and Devices,
subclasses 1 through 138,for safety and protection of electrical systems
and devices not provided elsewhere.
This subclass is indented under subclass 27.01. Subject matter which includes connection or disconnection
device for physically connecting or disconnecting communication
device from or to the telephone line.
This subclass is indented under subclass 27.01. Subject matter includes simple faulty identification device
capable to plug into telephone jack or to couple to tip and ring
wires in subscriber s premises location to troubleshoot problem
appeared on subscriber s loop or terminal.
This subclass is indented under subclass 27.01. Subject matter including a remote arrangement to facilitate
localization of faults in, or localized testing of, either a substation
or a subscriber loop.
(1)
Note. The testing may be performed either at the substation
or remotely, e.g., from a central office.
This subclass is indented under subclass 29.01. Subject matter which includes a single metallic test pair
providing between the central office and the remote terminals of
the pair gain system to accomplish metallic testing of the voice frequency
drops for a plurality of carrier-served subscribers.
This subclass is indented under subclass 29.01. Subject matter wherein a directory number of call equipment
at originating site is dialed back, or identity (i.e., caller ID)
of the call equipment at originating site is transmitted back from
a device under test.
This subclass is indented under subclass 29.01. Subject matter wherein a problem occurred or previous
configured condition changed from modification or addition of function
or device into an existing telecommunications network.
This subclass is indented under subclass 29.01. Subject matter diagnosing and segmenting a fault by comparing
measured parameter with stored parameter in a storage memory.
This subclass is indented under subclass 29.01. Subject matter includes a diagnostic circuit device placed
at subscriber s terminal of a telephone line for analyzing fault
and maintaining the line.
This subclass is indented under subclass 27. Subject matter for testing or measuring a voice frequency
signalling generator or an impulsing signal producing arrangement,
in a terminal.
This subclass is indented under subclass 1.01. Subject matter including observing, watching or checking
the telephone system or device for a special purpose.
This subclass is indented under subclass 32.02. Subject matter wherein an advanced intelligent network
is being monitored.
(1)
Note. An AIN includes generally three basic elements: a)
signal control points (SCPs) or computerized database, b) signal
switching points (SSPs) or digital telephone switches, and c) signal
transfer points (STPs) or packet switches that shuttle messages
between SSPs and SCPs. In an AIN, one or more databases are queried
using signaling system 7 (SS7) to determine how a call should be handled.
This subclass is indented under subclass 32.01. Subject matter includes monitoring of a telephone line
connecting the local telephone central office to the subscribers
telephone instrument or system.
This subclass is indented under subclass 32.01. Subject matter for making a telephone conversation audible
to a person without the conversing parties being notified.
This subclass is indented under the class definition. Subject matter including a terminal, normally requiring
payment for usage, which has provision for limited usage without
payment.
(1)
Note. This subclass includes both emergency and nonemergency
free calling from a paystation, for example "0", "800" and "911"
calls.
EMERGENCY OR ALARM COMMUNICATIONS (E.G., WATCHMAN"S
CIRCUIT):
This subclass is indented under the class definition. Subject matter for summoning response to a hazardous situation
over a telephone line.
(1)
Note. The term "hazardous situation" refers to a condition
or occurrence posing imminent danger to life, health, or property.
(2)
Note. The subject matter in this and it"s indented
subclasses included both systems solely for emergency use an details of
adjunct to other systems to specifically provide for emergency situations.
Further, an arrangement incidentally (e.g., an automatic dialer)
be used for an emergency situation will be classified with such
arrangement.
This subclass is indented under subclass 37. Subject matter wherein the hazardous situation is a condition
of, or occurrence related to the well-being of an individual.
This subclass is indented under subclass 39. Subject matter which generates a predetermined call address
signal for establishing a connection to a given telephone station.
This subclass is indented under subclass 39. Subject matter which sends a previously stored sound message
signal over a telephone line in response to an emergency condition.
This subclass is indented under subclass 39. Subject matter wherein more than one emergency or alarm
condition is detected (e.g., fire, intrusion, health hazard).
This subclass is indented under subclass 37. Subject matter wherein a central office has equipment to
make a connection or provide a display for an emergency situation.
This subclass is indented under subclass 37. Subject matter which enables a central station (a) to interrupt
normal telephone communication to make an announcement to, or (b)
to actuate an alarm at, a terminal station.
This subclass is indented under subclass 37. Subject matter wherein the alarm signal is transmitted over
a telephone line as a pulse or a digital signal.
This subclass is indented under subclass 37. Subject matter to either (a) generate a predetermined call
address signal for establishing a connection to a given telephone
station, or (b) send a previously stored sound message signal over
a telephone line response to an emergency condition.
HAVING NEAR FIELD LINK (E.G., CAPACITIVE, INDUCTIVE):
This subclass is indented under the class definition. Subject matter having a transceiver, a base station, and
a limited range system (i.e., field
strength=k/d where k is a constant and d=distance
between the transceiver and base station antennas) whereby
signal transfer is inductive or capacitive, rather than
electromagnetic.
HAVING LIGHT WAVE OR ULTRASONIC LINK FOR SPEECH OR PAGING SIGNAL:
This subclass is indented under the class definition. Subject matter wherein a telephone circuit connection is
made by a transmitted electromagnetic wave group capable of propagating
at the velocity of light (about 186,281 miles
per second), or which has sonic vibrations above
that of audible sound (16,000 Hz).
(1)
Note. For classification herein there must be some
connection to a telephone landline, for example, where
a connection is made through a telephone operator or exchange.
(2)
Note. Optical telephones are classified herein.
For subcombinations involving optical communication see the search notes
below.
This subclass is indented under subclass 56.1. Subject matter wherein the electromagnetic wave is a light
wave which propagates within a light transmitting waveguide in
a telephone network.
This subclass is indented under subclass 56.1. Subject matter wherein the electromagnetic wave is in a
range of radiation wavelengths invisible to the human eye lying
between 750 nanometers and about 1 millimeter.
This subclass is indented under the class definition. System, process, or instrument for the two-way
electrical transmission of intelligible audio information further
comprising structure for the retention, recovery, or
formation of an audio message signal.
(1)
Note. Such storage or retrieval must include a telephone
system component at least nominally claimed. Mere designation
of the apparatus as a "telephone answering device" is, of
itself, insufficient for classification in this or indented subclasses.
This subclass is indented under subclass 67.1. Subject matter which utilizes relative motion with respect
to a record medium to perform the audio message storage or retrieval.
This subclass is indented under subclass 67.1. Subject matter including generating station-designating
signals for initiation of telephonic communication with a designated
station and subsequently transmitting a reproduced announcement
hereto or recording a message therefrom.
(1)
Note. The communication established is for connection
to the recorder or reproducer.
(2)
Note. The subject matter herein may include sequential
selection of designated stations.
This subclass is indented under subclass 68. Subject matter including establishing of telephonic communication
between a component connected to the recorder or reproducer and
a distinct calling station connected to the telephone system in
response to a calling signal initiated from the calling station.
(1)
Note. The component is often the station being called.
(2)
Note. The recorder or reproducer is usually actuated
in response to the telephonic communication.
(3)
Note. Such subject matter often includes both a
reproducer for transmitting an announcement upon initial actuation
and subsequently actuated recorder for generating a record of an
incoming message.
This subclass is indented under subclass 70. Subject matter selectively supplying phrases or words in
real time sequence to develop a complete announcement for transmission
through the telephone system.
(1)
Note. Typical of systems herein are time announcing
systems in which different words are reproduced in a desired order so
that the time is verbalized. For example: "The
time is" -- "twelve" -- "fifty" -- "four", in
which each quoted phrase has been reproduced from the storage medium.
(2)
Note. Time announcing systems not limited to a telephone
system are classified in Class 369, subclass 23.
Data Processing: Speech Signal Processing, Linguistics, Language
Translation, and Audio Compression/Decompression,
subclasses 258+ for speech synthesis based on sequential sounds
or bits.
This subclass is indented under subclass 70. Subject matter wherein the announcement is restarted or
changed so as to form a series or repeated or changed announcements.
(1)
Note. A "series" means at least one repetition or
modification of an initial announcement.
This subclass is indented under subclass 70. Subject matter wherein a single record carrier in the recorder
or reproducer has a plurality of distinct record tracks thereon.
(1)
Note. The term "record carrier" is the tangible
object upon which the recorded signal is stored.
(2)
Note. The plural tracks may be transversely displaced
from each other.
(3)
Note. The plural record tracks are often used for
recording distinct receive messages.
Dynamic Information Storage or Retrieval,
subclasses 24.01 through 42.01for remote control of a recording or reproducing
device other than by a telephone system.
This subclass is indented under subclass 70. Subject matter which operates the recorder or reproducer
for other than its normal call responsive operation by a specified
signal transmitted over the telephone system.
Dynamic Information Storage or Retrieval,
subclasses 24.01 through 42.01for remote control of a recording or reproducing
device other than by a telephone system.
This subclass is indented under subclass 74. Subject matter for correction of the recorded message subsequent
to recording and prior to reproduction of the final recorded incoming message.
(1)
Note. Mere naming of a device as for "dictation"
absent particular structure therefore is insufficient to provide
classification in this subclass.
This subclass is indented under subclass 74. Subject matter wherein the operation includes choosing or
changing a message to be transmitted by the reproducer to the telephone
system in response to an incoming call.
(1)
Note. A selection system may be used for a stock
quotation.
This subclass is indented under subclass 70. subject matter wherein the connection between the telephone
system component and the reproducer or recorder is effected by a
sound wave produced and detected by a complementary pair of transducers.
(1)
Note. Such subject matter often involves a pair
of such acoustic links in opposite directions.
This subclass is indented under subclass 70. Subject matter including circuitry to control the actuation
or deactuation of the recorder or reproducer in response to a telephone
system condition related to an incoming call.
(1)
Note. For classification herein, either details
of the circuitry or response to a particular condition other than
call receipt is required. Mere nominal recitation of circuitry
responsive to call receipt is not classifiable herein, as
such response is necessarily inherent in a call answering or intercepting
device.
(2)
Note. The "call initiated cycle" is a sequence of
reproducing and recording mode of the recording and reproducing device.
This subclass is indented under subclass 79. Subject matter wherein the cycle control circuitry is responsive
to the continuation, cessation, or absence of
an incoming audio signal.
This subclass is indented under subclass 79. Subject matter wherein the cycle control circuitry is responsive
to a line condition representative of the cessation of telephonic communications (e.g., open
circuit, dial tone presence).
(1)
Note. Such cessation may be effected by the caller
hanging up or being disconnected.
This subclass is indented under subclass 79. Subject matter including a detail of circuitry responsive
to a system or component condition related to call alert signalling
or start of receipt of call.
This subclass is indented under subclass 79. Subject matter including a specific mechanical feature of
a mechanism for causing relative emotion of the record medium.
This subclass is indented under subclass 70. Subject matter wherein the component connected to the recorder
or reproducer is located at a switching station to which a plurality
of telephone circuits are connected.
This subclass is indented under subclass 68. Subject matter wherein the record generated is of an audible
signal in a telephone system, which signal exists independently
of the recording device.
(1)
Note. Normal operation includes, for example, two-way
voice communication.
This subclass is indented under subclass 85. Subject matter wherein the signal from the telephone system
is coupled for record generating by two electrical devices having
an interacting magnetic field.
This subclass is indented under subclass 68. Subject matter wherein a reproduced information bearing
audio signal is coupled by the telephone system to a remote station
for conversion into sound.
(1)
Note. This subclass includes use of a telephone
system as a reproduced signal program distribution system.
Electrical Audio Signal Processing Systems and
Devices,
subclasses 77+ for one-way audio signal program distribution, not
limited to a telephone system.
This subclass is indented under subclass 67.1. Audio message storage, retrieval, or synthesis system
wherein the system is responsive to the presence or absence of a
spoken word.
This subclass is indented under subclass 88.01. Voice activation or recognition wherein access to the system
is gained when the received spoken word matches a stored authorization
signal.
Data Processing: Speech Signal Processing, Linguistics, Language
Translation, and Audio Compression/Decompression,
subclasses 231+ for speech signal processing and recognition using
artificial intelligence.
This subclass is indented under subclass 88.01. Voice activation or recognition wherein a call address signal
is initiated in response to a spoken word.
This subclass is indented under subclass 88.01. Voice activation or recognition wherein the audio message
signal is manipulated or routed in response to a spoken word.
This subclass is indented under subclass 67.1. Audio message storage, retrieval, or synthesis system
wherein the system is capable of manipulating or generating an audio
message signal in more than one linguistical format.
Data Processing: Speech Signal Processing, Linguistics, Language
Translation, and Audio Compression/Decompression,
subclass 8 for a means or step to adapt to, process, or support
plural languages in systems or in software, or to support
the conventions or peculiarities of various national languages.
This subclass is indented under subclass 88.05. Multilingual system or operation wherein the system provides
options enabling a user to select the linguistic format for the
manipulation, storage, retrieval, or
generation of an audio message signal.
This subclass is indented under subclass 67.1. Audio message storage, retrieval, or synthesis system
further comprising an operation in which an analog audio message
signal is manipulated or processed in a digital format.
Electrical Computers and Digital Processing Systems: Processing
Architectures and Instruction Processing (e.g., Processors),
subclasses 34 through 35for an auxiliary processor configured to perform
high speed data manipulations.
This subclass is indented under subclass 88.08. Message signal analysis further comprising a means to collect, organize, or
interpret specific quantitative audio message signal data.
This subclass is indented under subclass 88.08. Message signal analysis further comprising a method for
reducing the size of the audio message signal by eliminating unnecessary
information, such as blank or redundant data for efficient
storage, transmission, or organization.
Coded Data Generation or Conversion,
subclass 60 for converting to or from codes comprising more
than one shorter data words so that they can be handled by a machine
component designed for longer data words.
Electrical Computers: Arithmetic Processing
and Calculating,
subclass 203 for representing a number or group of numbers by
a smaller number of digits than that possessed originally or the inverse
operation.
Electrical Computers and Digital Processing Systems: Multiple
Computer or Process Coordinating,
subclass 247 for multicomputer data transferring having a means
to reduce the transfer payload volume or to recover the data from
a compressed payload.
Electrical Computers and Digital Data Processing
Systems: Input/Output,
subclass 68 for data compression or expansion for improving
transfer efficiency between peripheral devices.
This subclass is indented under subclass 67.1. Audio message storage, retrieval, or synthesis system
having a means to view data or information relating to the audio
message signal in a visual format.
Computer Graphics Processing and Selective Visual
Display Systems, appropriate subclasses for a process or apparatus
for selective electrical control of two or more light-generating
or light-controlling display elements.
This subclass is indented under subclass 67.1. Audio message storage, retrieval, or synthesis system
further comprising an audio or visual signal alerting the user to
the presence of a recorded or stored audio message signal.
This subclass is indented under subclass 67.1. Audio message storage, retrieval, or synthesis system
further comprising a means to accept or transmit an audio message
signal in a secondary format.
Communications: Electrical,
subclasses 7.2 through 7.63for a selective communication system with a paging
means and 311.2 for a nonselective paging system.
This subclass is indented under subclass 67.1. Audio message storage, retrieval, or synthesis system
further comprising a means to formulate a system-generated
spoken message.
Data Processing: Speech Signal Processing, Linguistics, Language
Translation, and Audio Compression/Decompression,
subclasses 258+ for a system wherein component parts of a speech
signal are combined to produce a synthetic speech output.
This subclass is indented under subclass 67.1. Audio message storage, retrieval, or synthesis system
wherein the telephone system is capable of transmitting and receiving
audio message signal information over a secondary network.
Electrical Computers and Digital Processing Systems: Multiple
Computer or Process Coordinating, appropriate subclassesfor multicomputer data transferring.
This subclass is indented under subclass 67.1. Audio message storage, retrieval, or synthesis system
wherein a voice message signal is processed by plural intercommunicating
messaging.
This subclass is indented under subclass 67.1. Audio message storage, retrieval, or synthesis system
wherein a means is provided to disclose information regarding an
originating call signal.
This subclass is indented under subclass 88.19. Call source identification wherein the disclosed information
relating to the incoming call is forwarded to a substation.
This subclass is indented under subclass 67.1. Audio message storage, retrieval, or synthesis system
further including a process for organizing, directing, distributing, or
switching an incoming or outgoing audio message signal.
This subclass is indented under subclass 88.22. Call management system wherein the organization, distribution, or
switching of an incoming or outgoing audio message signal is completed in
response to an input from the message recipient or originator.
This subclass is indented under subclass 88.23. Subscriber or caller controlled audio signal management
system wherein the controlling input is a system generated signal
having a specified acceptable pitch.
This subclass is indented under subclass 88.23. Subscriber or caller controlled audio message signal management
system wherein the audio message signal is held in a centralized
memory location.
This subclass is indented under subclass 88.25. Centralized stored message wherein the stored audio message
signal is generated by a system nonsubscriber.
This subclass is indented under subclass 88.22. Call management system wherein message information and system
instructional information are stored in discrete memory locations.
Static Information Storage and Retrieval, appropriate subclasses for an apparatus or corresponding
process for the static storage and retrieval of information.
TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM
OR SIGNALLING (E.G., COMPOSITE):
This subclass is indented under the class definition. Subject matter wherein a nontelephone signal is transmitted
over a conductor of telephone signals, or a
telephone signal is transmitted over nontelephone electrical circuitry.
Multiplex Communications, appropriate subclasses for simultaneous transmission
of a telephone signal and another electrical communications signal, or
multiplexing plural telephone signals, over a common channel.
This subclass is indented under subclass 90.01. Subject matter wherein the transmission involves TCP/IP (Transmission
Control Protocol/Internetwork Protocol).
This subclass is indented under subclass 90.01. Subject matter wherein the nontelephone signal is used to
permit or deny a charge to an individual account over a telephone
line.
Data Processing: Financial, Business Practice, Management, or
Cost/Price Determination, appropriate subclasses for business oriented applications
for computers.
This subclass is indented under subclass 91.01. Subject matter including a switching facility having structure
or circuitry for credit transaction processing.
This subclass is indented under subclass 90.01. Subject matter wherein plural controlled devices transmit
a personal or personal choice status signal in response to an interrogation
signal.
(1)
Note. The personal or personal choice signal may
be successively transmitted.
This subclass is indented under subclass 92.01. Subject matter including a central station with specific
structure or circuitry for status signal processing.
This subclass is indented under subclass 92.01. Subject matter including a user terminal with specific structure
or circuitry for generating or transmitting the status signal.
This subclass is indented under subclass 90.01. Subject matter for transfer of message information by either
a multi-level pulse signal or a data signal consisting
of a series of ones and zeros, over a line specifically
described as a telephone line.
Electrical Computers and Digital Data Processing
Systems: Multiple Computer or Process Coordinating, appropriate subclassesfor data transferring among multiple computer
and digital processing systems.
Electrical Computers and Digital Data Processing
Systems: Input/Output,
subclasses 1+ for transferring data from one or more peripherals
to one or more computers or digital data processing systems for
the latter to process, store, or further transfer
or for transferring data from the computers or digital data processing
systems to the peripherals.
This subclass is indented under subclass 93.01. Subject matter which permits or denies the rights to use
remote digital computing or communication equipment.
Data Processing: Database, Data
Mining, and File Management or Data Structures,
subclasses 781 through 789for access control to a database or file in a computer
environment.
Electrical Computers and Digital Data Processing
Systems: Input/Output,
subclasses 36+ for digital data processing system Input/Out
access regulating and subclasses 107+ for bus access regulating
in a digital data processing system.
Electrical Computers and Digital Processing Systems: Support,
subclasses 182 through 186for system access control based on cryptographic
user identification.
This subclass is indented under subclass 93.02. Subject matter whereby access is granted by matching user
characteristics (e.g., voiceprint, fingerprint, signature) of
the person desiring access.
This subclass is indented under subclass 93.01. Subject matter having a specific electronic arrangement
interrelating a device or equipment to the telephone line.
This subclass is indented under subclass 93.05. Subject matter wherein the interface circuitry is connected
to a telephone line in which the information is encoded as a series
of ones and zeros.
This subclass is indented under subclass 93.05. Subject matter wherein the interface circuitry is for connecting
to at least two telephone lines or groups of stations.
Data Processing: Financial, Business Practice, Management, or
Cost/Price Determination, appropriate subclasses for business oriented applications
for computers.
This subclass is indented under subclass 93.01. Subject matter including equipment which performs the functions
of establishing and releasing connections and includes structure
or circuitry for digital message signal processing.
This subclass is indented under subclass 93.14. Subject matter wherein an electronic structure is particularly
adapted for transforming the digital message signal from one form
into another form (e.g., text-to-voice, voice-to-text, etc.).
This subclass is indented under subclass 93.01. Subject matter including a structure particularly adapted
for conversion of a digital information signal into a visual message
signal.
This subclass is indented under subclass 93.17. Subject matter including an arrangement for character or
symbol pattern recognition to show letters of the alphabet or numerals.
This subclass is indented under subclass 93.17. Subject matter wherein the terminal display includes input
means responsive to force or location along the display face.
Computer Graphics Processing and Selective Visual
Display Systems,
subclasses 173+ for touch panels, subclass 179 for stylus, and
subclasses 180+ for light pen.
This subclass is indented under subclass 93.17. Subject matter which enables three or more data terminals
on distinct subscriber lines to be included in a single call connection.
This subclass is indented under subclass 93.17. Subject matter wherein the structure includes a public telephone
from which calls can be paid for by means of currency, credit, or
debit.
This subclass is indented under subclass 93.17. Subject matter wherein the information signal is assigned
to a memory location for storage and retrieved by a station having
access to the memory location (e.g., text
mail).
This subclass is indented under subclass 93.17. Subject matter including a database having structure or
circuitry for supplying information in electronic form from the
database to subscriber terminals.
Interactive Video Distribution Systems, appropriate subclasses, especially
subclasses 86 through 104for user-requested video program system, subclasses
105-134 for video distribution with upstream communication, and
subclasses 135-142 for one-way local video distribution
system with local interaction.
This subclass is indented under subclass 93.01. Subject matter wherein the pulse or data signal is specifically
described as converted into one or more tones lying within the audible
frequency spectrum.
This subclass is indented under subclass 93.26. Subject matter including a structure particularly adapted
for recognition of tone codes generated via dual-tone, multi-frequency
signals into letters or numbers.
This subclass is indented under subclass 93.26. Subject matter wherein a pulse or data signal causes a variation
in the frequency, phase, or amplitude of an audible
tone.
This subclass is indented under subclass 93.28. Subject matter wherein communication operating parameters
can be reprogrammed to conform with different communication standards or
perform different communication modes.
This subclass is indented under subclass 93.31. Subject matter including determination of one of a plurality
of modulator-demodulator types and for connecting to a
compatible type.
This subclass is indented under subclass 93.28. Subject matter for signalling a first station in communication
with a second station that a third station desires communication
with the first station.
This subclass is indented under subclass 93.28. Subject matter including particular circuitry for deriving
power from the telephone line to data communication equipment (DCE).
This subclass is indented under subclass 93.26. Subject matter wherein a digital signalling device is connected
to a telephone line by a sound wave passing between a complementary pair
of electroacoustic transducers.
This subclass is indented under subclass 90.01. Subject matter where the nontelephone signal is a visual
or graphic representation of a document for producing a visually
readable reproduction at a receiving station.
This subclass is indented under subclass 100.01. Subject matter wherein the transmitted message is assigned
to a memory location for storage and retrieved by a station having
access to the memory location.
This subclass is indented under subclass 100.01. Subject matter wherein the message is transmitted to some
intermediate point, and at a later time, further
retransmitted to a remote destination.
This subclass is indented under subclass 100.01. Subject matter wherein the visual or graphic information
accessed is from a collection of such information.
This subclass is indented under subclass 100.01. Subject matter having a specific structure for transforming
the nontelephone signal to another form (e.g., image-to-voice, image-to-text, etc.).
This subclass is indented under subclass 102.02. Subject matter wherein the device converts media signals
into humanly perceivable signals, typically sight or sound, or records
the media signals for later playback.
This subclass is indented under subclass 102.02. Subject matter wherein the control is directed toward applying
electric energy to the communication equipment.
This subclass is indented under subclass 102.01. Subject matter wherein the control restricts movement of
a person by permitting or preventing ingress or egress through
a door or other similar structural closure.
This subclass is indented under subclass 102.01. Subject matter wherein a condition or state of the controlled
device is reported in humanly perceivable form.
This subclass is indented under subclass 90.01. Subject matter for providing a signal representing a sensed
condition at a distant station via the telephone line.
This subclass is indented under subclass 106.03. Subject matter wherein the signal is exchanged between a
central station and the subscriber"s telephone without causing the telephone
bell to sound.
This subclass is indented under subclass 106.03. Subject matter wherein the sensed condition is transmitted
to a central station at an appointed time period.
This subclass is indented under subclass 106.03. Subject matter wherein the sensed condition is transmitted
to a central station in response to a request signal initiated by
the central station.
This subclass is indented under subclass 106.01. Subject matter wherein the signal is exchanged between a
central station and the subscriber"s telephone without causing the telephone
bell to sound.
This subclass is indented under subclass 106.01. Subject matter wherein the signal is transmitted to a central
station in response to a request signal initiated by the central
station.
COMPOSITE SUBSTATION OR TERMINAL (E.G., HAVING
CALCULATOR, RADIO):
This subclass is indented under the class definition. Subject matter in which a telephone instrument also has
structure or circuitry for performing a diverse independent (i.e., nontelephone) function.
(1)
Note. There may be a relationship between the telephone
and diverse function, as in diverse audio muting.
Electrical Computers: Arithmetic Processing
and Calculating,
subclass 109 for a digital calculating computer combined with
a telephone or other communication device.
WITH USAGE MEASUREMENT (E.G., CALL
OR TRAFFIC REGISTER):
This subclass is indented under the class definition. Subject matter which determines the length, number, frequency, or
cost of telephone usage and is combined with telephone equipment.
(1)
Note. The telephone usage determining equipment, per
se, is classifiable elsewhere.
(2)
Note. Such equipment often includes a register for
counting calls, or determining time of usage.
Electrical Pulse Counters, Pulse Dividers, or
Shift Registers: Circuits and Systems, appropriate subclasses for an electrical counter
or register, per se.
This subclass is indented under subclass 111. Subject matter including a computer or control processor
for counting and registering the number of telephone calls.
This subclass is indented under subclass 112.01. Subject matter wherein a primary processor or computer implements
the functionality of telephone usage and if the primary processor
fails, a secondary processor or computer is activated to
take over its functionality.
This subclass is indented under subclass 112.01. Subject matter wherein an estimation is performed to determine
the possibility of a network being congested due to incoming call traffic
to avoid being unable to service calls.
This subclass is indented under subclass 112.01. Subject matter wherein a load capacity of a network component
is pre-established or established dynamically by a network
to avoid congestion.
This subclass is indented under subclass 112.01. Subject matter wherein a network manager implements a plurality
of options to service incoming call traffic by using different network
components to avoid congestion.
This subclass is indented under subclass 112.06. Subject matter which determines a number of incoming calls
being serviced by a carrier or the frequency by which a carrier
is being used.
This subclass is indented under subclass 112.06. Subject matter which determinates the frequency of using
a communication line to service incoming calls.
This subclass is indented under subclass 112.06. Subject matter which collects data or information about
usage of 1-800, 1-900 and other virtual
numbers.
This subclass is indented under subclass 112.06. Subject matter wherein data or information is gathered over
a period of time to determine the congestion or overload rate of
a network.
This subclass is indented under subclass 111. Subject matter which determines the usage cost for a particular
telephone set or the cost to a subscriber.
This subclass is indented under subclass 114.01. Subject matter wherein a service provider with the best
competitive price or the cheapest cost among a plurality of providers
is selected to service a subscriber.
This subclass is indented under subclass 114.01. Subject matter wherein a service provider utilizes a computer
software or program in determining the cost of a telephone service provided
to a subscriber.
This subclass is indented under subclass 114.01. Subject matter wherein charging apparatus is monitored to
detect any error associated with determining telephone cost for
any given subscriber.
This subclass is indented under subclass 114.01. Subject matter wherein a subscriber is charged for customized
features in addition to a standardized telephone bill.
This subclass is indented under subclass 114.01. Subject matter which charges a subscriber for telephone
services as a function of factors affecting a network.
This subclass is indented under subclass 114.06. Subject matter wherein a subscriber is charged based on
the time of the day, or a specific day or month.
This subclass is indented under subclass 114.01. Subject matter wherein a subscriber is offered a special
charge rate to encourage usage of network services.
This subclass is indented under subclass 114.1. Subject matter wherein a subscriber engaged in a telephone
call can be offered opportunities to win a reward.
This subclass is indented under subclass 114.1. Subject matter wherein a subscriber is offered a cost
lower than the standard cost based on telephone usage or plan subscribed
to.
This subclass is indented under subclass 114.1. Subject matter wherein a service provider provides information
detailing rewards or offers for telephone usage.
This subclass is indented under subclass 114.01. Subject matter wherein fraudulent usage of a telephone or
a subscribers account is determined and monitored.
This subclass is indented under subclass 114.01. Subject matter wherein a subscriber is enable to make a
call by billing a card account number provided by a subscriber.
This subclass is indented under subclass 114.15. Subject matter wherein a subscriber can re-activate
a calling card or an account by adding more money to the account
or card.
This subclass is indented under subclass 114.15. Subject matter wherein items other than a card or in conjunction
with a card with calling indicia can be used in making telephone calls.
This subclass is indented under subclass 114.15. Subject matter wherein a card, other than a calling
card, used in paying for other services can be used in
making telephone calls after verification.
This subclass is indented under subclass 114.21. Subject matter wherein a plurality of subscribers can arrange
to pay for a part of telephone usage cost.
This subclass is indented under subclass 114.21. Subject matter wherein a party other than the calling or
called party assumes responsibility for telephone cost.
This subclass is indented under subclass 114.21. Subject matter wherein a service provider pays for telephone
usage cost when a subscribers calls to inquire about or order a provided
service.
This subclass is indented under subclass 114.21. Subject matter wherein a subscriber pays for telephone cost
associated with inquiring about a service being offered by a service provided
or when ordering a service.
This subclass is indented under subclass 114.21. Subject matter wherein a subscribers with a plurality of
accounts can have telephone usage billed to a specific account based
on a triggered code.
This subclass is indented under subclass 114.01. Subject matter wherein a subscriber is billed for telephone
usage associated with an assigned unique directory number which
can be used in several geographic location.
This subclass is indented under subclass 114.01. Subject matter wherein a switch queries a centralized service
control point database for billing information.
This subclass is indented under subclass 114.28. Subject matter wherein a plurality of service control point
databases may be queried for billing information or a service management
system (SMS) may be queried by a service control
point for billing information.
This subclass is indented under subclass 114.01. Subject matter wherein the charge determination is made
at one exchange and then transmitted to another related to the calling
station.
(1)
Note. Included herein is the Centralized Automatic
Message Accounting (CAMA) where the accounting
for several central exchanges is handled at only one office.
This subclass is indented under subclass 115.01. Subject matter wherein interexchange carriers located in
different countries co-operate to complete a call between
a calling party and a called party.
This subclass is indented under subclass 114. Subject matter which produces a permanent record showing
a numerical quantity indicating the call charge or basis therefor.
This subclass is indented under subclass 114.01. Subject matter wherein the call charge metering or monitoring
is performed at a toll call network switching office to which a
call is connected and passed through.
(1)
Note. Example of a toll call network switching office
herein is the long distance telephone service provider.
This subclass is indented under subclass 121.01. Subject matter wherein a subscriber is having more than
on charging account, and the call charge is selectively
credited an account from a plurality of accounts.
(1)
Note. For example, charging a call to the subscriber
s credit card, calling card, or residential telephone
account.
This subclass is indented under subclass 121.01. Subject matter including a database center for storing
chronological record of calls to or from a telephone number, validating
call information, or providing charge rates or account
balance.
This subclass is indented under subclass 121.04. Subject matter including adding, deleting, or
changing information about a call in message fields of a billing.
This subclass is indented under subclass 121.01. Subject matter comprising at least one network identification
unit (NIU) associated with an unique network identification (ID) so that
a subscriber s communications device can couple thereto for transmitting
subscriber s parameters as an user s profile to the telecommunications
network before the first call is made.
This subclass is indented under subclass 121. Subject matter wherein the charge determination is made
by accumulation of call connection timing pulses.
This subclass is indented under subclass 124. Subject matter in which records data or captures events
of the toll call occurred in the telecommunications network are
necessary to prepare an itemized bill for a subscriber.
This subclass is indented under subclass 126. Subject matter including telephone message accounting
equipment to recognize telephone numbers of dialing stations.
This subclass is indented under subclass 127.01. Subject matter including detection, identification
of toll call cheating, or preventing a toll call connection
to a particular area number that is not authorized in the billing
contract.
This subclass is indented under subclass 127.01. Subject matter wherein a dialing station provides dialed
character(s) associated with a called directory
number which enable the local exchange carrier to recognize and automatically
charge a designated account.
This subclass is indented under subclass 127.01. Subject matter wherein various discount rates are applied
to a toll call based on the type of card being used to make a call.
This subclass is indented under subclass 127.01. Subject matter wherein a caller as well as called party
have an option to charge a toll call to a designated account during
the call setup, during the conversation, or at
the termination of the toll call.
(1)
Note. The designated account may be a credit card
account, bank account, prepaid account, etc.
This subclass is indented under subclass 127.01. Subject matter including automatic call charging to a designated
account based on the call terminal identity (e.g., calling, called, third
party terminal, etc.).
This subclass is indented under subclass 124. Subject matter to count or accumulate timing pulses at different
rates controlled in accordance with the time of day.
This subclass is indented under subclass 111. Subject matter for making a determination of the total number
of calls, or the number of calls per unit time.
This subclass is indented under subclass 133. Subject matter wherein the determination is made at a switching
station spaced remotely from the user terminal.
This subclass is indented under subclass 134. Subject matter which produces a permanent record showing
the number of calls utilizing the particular monitored telephone
system element.
RECEPTION OF CALLING INFORMATION AT SUBSTATION IN WIRELINE COMMUNICATIONS
SYSTEM:
This subclass is indented under the class definition. Subject matter including a receiving, decoding, extracting, determining, routing, connecting, and
controlling function to provide calling information related to an
incoming call to be displayed at destination terminal.
(1)
Note. This reception generally involves authentication
or authorization (e.g., blocking
or screening a call based on predetermined caller ID information).
(2)
The purpose of this reception is for routing, retrieving
information from a database, displaying, call
waiting, time or location indicating, and controlling
of an incoming call.
This subclass is indented under subclass 142.01. Subject matter wherein the calling information is prevented
to be transmitted over a telephone line or trunk.
(1)
Note. For example, blocking the transmission
of a telephone number or ANI (automatic number identification)).
This subclass is indented under subclass 142.02. Subject matter wherein a calling party is required to enter
a code associated with other caller identification for authentication
or authorization.
(1)
Note. For example, trigger code is a password.
This subclass is indented under subclass 142.01. Subject matter wherein a device or a circuitry located within
a premise is used to decode caller information from an incoming call.
This subclass is indented under subclass 142.05. Subject matter wherein calling information is verified with
information in a database to obtain permission to connect to a destination
terminal.
This subclass is indented under subclass 142.05. Subject matter wherein an activity of call to be continued
based on retrieved information or instruction from a memory storage
at the destination terminal.
(1)
Note. For example, matching a function, an
instruction, a profile or data stored in the database.
This subclass is indented under subclass 142.01. Subject matter wherein an incoming call based on characteristics
of the received signal is directed to various types of destination terminals.
This subclass is indented under subclass 142.01. Subject matter wherein a third party incoming call information
is displayed or indicated to the called party.
This subclass is indented under subclass 142.01. Subject matter wherein displayed caller ID information is
not the subscribed telephone number of the caller (e.g., a
nick-name).
This subclass is indented under subclass 142.01. Subject matter wherein the displayed caller ID information
including names of the place where the caller initiated the call.
This subclass is indented under subclass 142.01. Subject matter wherein the displayed caller ID information
including a clock hour at the location where the caller initiated
the call.
This subclass is indented under subclass 142.01. Subject matter wherein a substation comprising a control
module operative as a master module connecting to subscriber telephone
line within a premises in order to control other dependable modules
connected thereto.
This subclass is indented under subclass 142.13. Subject matter wherein the form of how the information is
presented is changed to comply with the form of presentation used
in the destination device.
This subclass is indented under subclass 142.01. Subject matter wherein an incoming call is processed by
an external electronic data processor before displaying to a called
party.
This subclass is indented under the class definition. Subject matter wherein a telephone is operated by an authorized
payment and includes telephone circuitry.
Check-Actuated Control Mechanisms, appropriate subclasses for a check controlled telephone
mechanism, per se, or for a check controlled device
of general utility.
This subclass is indented under subclass 144.01. Subject matter to use a special circuitry embedded in the
paystation to monitor and determine fraudulent usage.
This subclass is indented under subclass 144.01. Subject matter wherein a subscriber can insert or swipe
a card in a paystation apparatus in order to make a call.
This subclass is indented under subclass 144.01. Subject matter wherein other communication devices are attached
to or used with a paystation to effect communication.
This subclass is indented under subclass 144.01. Subject matter wherein telephone usage cost is calculated
by using a specialized accounting mechanism.
This subclass is indented under subclass 144.07. Subject matter wherein a service provider provides information
on a display attached or integrated with a paystation.
This subclass is indented under subclass 143. Subject matter having some detail of transmitting a signal, representative
of the presence and denomination of a coin to, o0r controlling
the disposition of a coin from, the central office.
This subclass is indented under subclass 146. Subject matter which accepts deposit of the coin after the
connection is made between the pay station and a called subscriber.
(1)
Note. Two-way audio connection is often
not established until deposit of the required payment.
This subclass is indented under subclass 146. Subject matter which sends a deposited coin into one of
a plurality of coin handling paths e.g., selectively
collecting or refunding coin).
This subclass is indented under subclass 150. Subject matter wherein coin disposition is directly responsive
to the successful call connection to a called party.
This subclass is indented under subclass 150. Subject matter wherein the paystation has a magnetic device
controlled by a signal from a central switching station, the
magnetic device in turn controlling the disposition of a deposited
coin.
This subclass is indented under subclass 143. Subject matter wherein the control function is performed
at a switching station spaced remotely from the user terminal.
MULTI-LINE OR KEY SUBSTATION SYSTEM WITH SELECTIVE
SWITCHING AND CENTRAL SWITCHING OFFICE CONNECTION:
This subclass is indented under the class definition. Subject matter including circuitry for allowing a subscriber
terminal to be selectively connected to one of a plurality of lines, at
least one of which is a public telephone line.
(1)
Note. Each public telephone line is associated with
a unique director number.
(2)
Note. A PBX is a system connected to one of a plurality
of shared usage lines (trunks) as opposed to lines
associated with individual directory numbers; however, a
key system may be associated with a PBX system.
This subclass is indented under subclass 156. Subject matter providing for an additional service beyond
normal telephone call signalling or connection (i.e., those
not normally provided without additional fees).
(1)
Note. Such services generally involve three or more
stations or two or more call connections.
This subclass is indented under subclass 156. Subject matter where use of one terminal on a particular
line denies or cuts off access of another terminal to the line.
This subclass is indented under subclass 156. Subject matter including details of circuitry to allow an
established telephone connection be maintained without the transmission
or reception of audio signals.
This subclass is indented under subclass 156. Subject matter including circuitry to provide a perceptible
indication of an incoming call or other status of one or more of
the lines connected to a terminal.
PRIVATE (E.G., HOUSE
OR INTERCOM) OR SINGLE LINE SYSTEM:
This subclass is indented under the class definition. Subject matter having (a) a plurality
of stations none of which is connected to the public telephone system, and (b) two
subsets connected by a single line.
This subclass is indented under subclass 167.01. Subject matter including intercom system for use in a building
having a plurality of apartments, offices or the like.
This subclass is indented under subclass 167.01. Subject matter including intercom system for use in a vending
or show place which comprises a plurality of vending or show unit.
This subclass is indented under subclass 167.03. Subject matter comprising a switching device for selectively
connecting one of a plurality of intercom extensions to service
control station or to other one of the intercom extensions.
This subclass is indented under subclass 167.01. Subject matter having circuitry which produces audible or
other non-individualized signal for informing the present
of an individual at a particular location.
This subclass is indented under subclass 167.05. Subject matter including the use of authorized code (e.g., PIN) for
preventing unauthorized individual or unwanted call.
This subclass is indented under subclass 167.05. Subject matter in which the originating station generates
a signal representing the called substation which signal actuates
equipment to cause the desired connection.
This subclass is indented under subclass 167.05. Subject matter comprising an intermediate system that connects
call signals having different frequencies used among the private communication
system and public service area.
This subclass is indented under subclass 167.01. Subject matter including a modular circuitry which provides
compatibility between the intercom and telephone systems.
This subclass is indented under subclass 167. Subject matter which blocks access to the system by stations
other than those involved in a specific communication.
This subclass is indented under subclass 167. Subject matter having three or more station at least two
of which have provision to direct a call to any other station.
This subclass is indented under subclass 171. Subject matter in which an originating station generates
a signal representing the called station which signal actuates equipment
to cause the desired connection.
This subclass is indented under subclass 167. Subject matter in which the originating station generates
a signal representing the called station which signal actuates equipment
to cause the desired connection.
This subclass is indented under subclass 167. Subject matter in which a system has a voice terminal peculiarly
adapted to be retained by a body portion or an article of clothing.
Communications, Electrical:
Acoustic Wave Systems and Devices,
subclass 132 for an underwater speech communication system using
acoustical waves in water as a portion of the transmission link.
This subclass is indented under the class definition. Subject matter wherein the terminals of plural subscribers
having different call addresses are connected to the central switching
office by a single line.
This subclass is indented under subclass 179. Subject matter wherein the ringing signal is directed to
a subset of the terminals connected to the line.
(1)
Note. The signal direction often uses control of
the polarity of, or the side to which, the signal
is directed.
This subclass is indented under subclass 177. Subject matter including a switching exchange for performing
call connection solely in response to a call address signal.
This subclass is indented under subclass 177. Subject matter wherein a terminal is either mounted in a
vehicle, or is of such size and configuration so as to
be carried by an individual.
This subclass is indented under the class definition. Subject matter for restricting the calls that may be made
from a particular station, or generating an alerting signal
in response to a call or call attempt in violation of a call restriction.
This subclass is indented under subclass 188. Subject matter to defeat or indicate an attempt to override
the call range restriction without a proper authorization or control
function.
This subclass is indented under subclass 188. Subject matter which in response to a specified equipment
status for a specified duration either changes the status, or
generates an alerting signal.
(1)
Note. This subclass would include disconnection
of a terminal after a set time.
This subclass is indented under subclass 190. Subject matter wherein a status control or an alerting function
is performed at a switching center remote from the terminal.
This subclass is indented under subclass 191. Subject matter wherein a status control or an alerting function
is performed when the duration of elapsed time during a call exceeds
a predetermined length.
This subclass is indented under subclass 191. Subject matter wherein the status of particular telephone
system equipment is determined for the status control or alerting
function.
This subclass is indented under subclass 188. Subject matter which locks access to, or indicates
an attempt to access, the system by a station other than
one previously in use.
This subclass is indented under subclass 194. Subject matter wherein the access prevention or attempt
determination is made in an automatic switching system.
This subclass is indented under subclass 188. Subject matter wherein the call restriction function or
generation of the alerting signal is performed at a switching station
remote from a user terminal.
This subclass is indented under subclass 188. Subject matter wherein the call or terminal restriction
or alerting function is performed at a subscriber terminal.
This subclass is indented under the class definition. Subject matter including a switching, connection, or
control function additional to those necessary to establish and
maintain a single call connection between two stations.
(1)
Note. These services generally involve service logic (e.g., a
computer program) or apparatus that implement a plurality of
method steps. Often, these services involve
three or more stations or two or more call connections.
(2)
Note. Examples of such special services are locating, conferencing, call
back, call blocking, call forwarding or transfer, call waiting, abbreviated
dialing and audible paging.
This subclass is indented under subclass 201.01. Subject matter wherein service logic (e.g., a
computer program) is designed or existing service logic
is obtained, provided or modified to implement a special
service.
This subclass is indented under subclass 201.02. Subject matter wherein a specific technique or apparatus
is used to display information regarding service logic or available
special services.
This subclass is indented under subclass 201.02. Subject matter wherein a specific technique or apparatus
is used to facilitate transmission of newly designed or existing
service logic to one or more users or devices.
This subclass is indented under subclass 201.01. Subject matter wherein a specific technique or apparatus
based upon a non-telephonic technology is used to determine
a location.
This subclass is indented under subclass 201.06. Subject matter wherein a specific technique or apparatus
is used to determine the location of a party for whom a caller desires
to be connected to based upon the last known or detected station
address of the party.
This subclass is indented under subclass 201.06. Subject matter wherein a specific technique or apparatus
is used to determine the last known or detected station address
of a party placing or having previously placed a call.
for this subject matter wherein the identity, or
service entitlement of a calling line is ascertained to produce
a permanent record showing a numerical quantity indicating a call
charge or basis therefor.
This subclass is indented under subclass 201.06. Subject matter wherein a specific technique or apparatus
is used to determine the last known or detected station address
close to where an inanimate entity can be found.
This subclass is indented under subclass 201.06. Subject matter wherein a specific technique or apparatus
is used to sense the existence or non-existence of a
party or object at a particular station address.
This subclass is indented under subclass 201.01. Subject matter wherein the calling address or identity of
a called or calling party is kept confidential without impeding (i.e. blocking) a
connection to a station.
This subclass is indented under subclass 201.01. Subject matter wherein a specific technique or apparatus
is used to provide beforehand a basic or additional service to a subscriber
s station in response to receiving a service request.
This subclass is indented under subclass 201.01. Subject matter which enables three or more terminals on
distinct subscriber lines to be included in a single call connection
when the call is initiated.
This subclass is indented under subclass 202.01. Subject matter wherein the conferencing connection is performed
by an attendant at a central switching office.
This subclass is indented under subclass 202.01. Subject matter wherein the conferencing connection is established
or modified by central office switching equipment in response to
signalling from a subscriber terminal.
This subclass is indented under subclass 204.01. Subject matter wherein a signalling function is performed
at the calling terminal to originate the conference call.
This subclass is indented under subclass 202.01. Subject matter wherein the conference call line coupling
or switching is performed at a subscriber station.
(1)
Note. Included herein are plural line conferencing
and audio conferencing.
This subclass is indented under subclass 201.01. Subject matter wherein a third station is called by one
of two stations participating in an existing call, and
the third station is connected (bridged) to the
existing call.
This subclass is indented under subclass 207.02. Subject matter wherein the implementation of a service is
controlled in response to detecting a predetermined condition on
a communication path (e.g., an
in-band signal).
This subclass is indented under subclass 207.04. Subject matter wherein the implementation of a service is
controlled in response to receiving an indication that a called
party is unavailable.
This subclass is indented under subclass 207.04. Subject matter wherein the implementation of a service is
controlled in response to receiving an indication that a party has
completed a call (hung-up, no longer
busy) or momentarily depressed a hookswitch of the party
s telecommunications device.
This subclass is indented under subclass 207.04. Subject matter wherein the implementation of a service is
controlled in response to receiving an indication that the party
has initiated a call, such as by lifting a handset off
the hookswitch of the party s telecommunications device.
This subclass is indented under subclass 207.04. Subject matter wherein the implementation of a service is
controlled in response to receiving an indication that a called
party is not at a called location.
This subclass is indented under subclass 207.08. Subject matter wherein the implementation of a service is
controlled in response to counting a predetermined number of rings without
receiving an answer from a called party.
This subclass is indented under subclass 207.08. Subject matter wherein the implementation of a service is
controlled in response to a predetermined period of time having
elapsed.
This subclass is indented under subclass 207.02. Subject matter wherein the implementation of a service is
controlled in response to receiving a predetermined combination
of symbols (e.g., numbers, letters, *, #) associated with
the service.
This subclass is indented under subclass 207.02. Subject matter wherein the implementation of a service is
controlled as a function of a geographic area where a calling party
or called party is located.
This subclass is indented under subclass 207.02. Subject matter wherein the implementation of a service is
controlled as a function of verification of who a calling party
or called party is.
This subclass is indented under subclass 207.02. Subject matter wherein the implementation of a service is
controlled as a function of what station address was called (dialed).
This subclass is indented under subclass 207.02. Subject matter wherein the implementation of a service is
controlled as a function of what station address a call was placed
from.
This subclass is indented under subclass 207.02. Subject matter wherein the implementation of a service is
controlled in response to receiving a predefined ringing pattern.
This subclass is indented under subclass 201.01. Subject matter wherein a requested call is automatically
initiated at a predetermined time after the previous receipt or
disconnection of a call from a caller.
for this subject matter wherein successive repeated
call attempts to the same party are made by a caller, or
a call is established in response to the availability of a previously
busy party.
This subclass is indented under subclass 210.02. Subject matter wherein a call from a calling party who intentionally
blocks or fails to disclose the calling party s identity prior
to connection to a called party, is prohibited from being
placed through to the called party.
This subclass is indented under subclass 211.01. Subject matter for rerouting an incoming call from an intended
addressed station to another desired station without completion
of the call connection to the addressed station.
This subclass is indented under subclass 211.02. Subject matter for placing in sequence a call to a plurality
of predetermined addressed stations one at a time, and
ringing each station for either a predetermined period of time
or number of rings, until one of the stations answers the
call.
This subclass is indented under subclass 211.02. Subject matter for placing a call to a plurality of addressed
stations at the same time and ringing those stations until one of
the stations answers the call.
This subclass is indented under subclass 211.02. Subject matter wherein a removably inserted portable memory
is inserted into a memory reader to define (program) how
a call should be routed or forwarded.
This subclass is indented under subclass 211.01. Subject matter for changing a completed call connection
to an addressed station to another station after completion of a
call connection to the addressed station.
This subclass is indented under subclass 211.01. Subject matter wherein a call made to one of a specified
group of addresses is directed to a predetermined location.
This subclass is indented under subclass 201.01. Subject matter for signalling a first station in communication
with a second station that a third station desires communication
with the first station.
(1)
Note. The first station can usually communicate alternatively
with the second and third stations.
This subclass is indented under subclass 201.01. Subject matter responsive to either a service request condition
or, to a line signal code of less than the complete call
address signal, for completing the call address connection in
the same manner as if the full call address signal were received.
(1)
Note. The term "service request condition" is generally
an off-hook condition.
This subclass is indented under subclass 201.01. Subject matter which connects a telephone circuit to a loudspeaker
system for summoning an individual.
This subclass is indented under subclass 201.01. Subject matter for automatically providing a database of
telephone numbers so as to provide directory assistance to a
caller without the assistance of an operator.
This subclass is indented under subclass 201.01. Subject matter wherein the special service is performed
by an attendant at a central or branch switching station.
This subclass is indented under the class definition. Subject matter including a system having more than one exchange (e.g, switching
office), or a circuit connection therebetween.
(1)
Note. A branch exchange (e.g., PBX, PABX, etc.) is
considered to be a separate switching office for purposes of this and
its indented subclasses.
This subclass is indented under subclass 221.01. Subject matter wherein an alternate service provider is
selected if a primary service provider is not available or does
not meet a predetermined criteria.
This subclass is indented under subclass 221.01. Subject matter wherein a failure or call congestion exceeding
a predetermined threshold is detected on a communications link.
This subclass is indented under subclass 221.03. Subject matter wherein a problem on a previously bypassed
communications link is corrected, thus permitting normal
use of the communications link to resume.
This subclass is indented under subclass 220.01. Subject matter wherein a call is routed based upon a previous
call pattern or prior station activity with respect to an initiated
or received call, or call attempt.
This subclass is indented under subclass 220.01. Subject matter wherein a computer program is used to define
and respond to a predetermined condition to route a call.
This subclass is indented under subclass 221.06. Subject matter wherein a call is routed in an intelligent
and efficient manner to minimize possible congestion problems.
(1)
Note. For example, routing is adjusted based
on time of day.
This subclass is indented under subclass 220.01. Subject matter wherein one or more databases are queried
using signaling system 7 (SS7) to determine how
a call should be handled.
This subclass is indented under subclass 221.08. Subject matter wherein a remote database within an AIN
is specifically configured or has a special feature to carry out
a particular process.
This subclass is indented under subclass 221.08. Subject matter wherein a packet switch within an AIN that
routes an SS7 signaling message is specifically configured or has
a special feature to carry out a particular process.
This subclass is indented under subclass 221.08. Subject matter wherein an auxiliary device is specifically
configured or has a special feature to carry out a particular process.
(1)
Note. For example, a device that provides
a voice announcement or voice recognition.
This subclass is indented under subclass 221.08. Subject matter wherein a digital telephone switch using
SS7 signaling is specifically configured or has a special feature
to carry out a particular process.
This subclass is indented under subclass 220.01. Subject matter wherein a subscriber is assigned to or selects
one of a plurality of competitive service providers such that the subscriber
can change from one service provider to another without changing
the subscriber s station address.
This subclass is indented under subclass 219. Subject matter wherein a special address configuration
is used to identity a service provider or the location of a station.
This subclass is indented under subclass 219. Subject matter wherein a computer program is used to simulate
or display connections of an actual network.
This subclass is indented under subclass 219. Subject matter having a switching center or office located
intermediate between an originating and receiving switching office
for switching the trunks connected to such offices.
This subclass is indented under subclass 229. Subject matter wherein the control or supervisory signals
for a group of trunks are multiplexed and transmitted over a single
separate communication channel.
This subclass is indented under subclass 231. Subject matter including transmission of control or supervisory
signals from a central office to a private branch exchange.
This subclass is indented under subclass 231. Subject matter including a plurality of shared trunk lines
connecting the central office and the private branch exchange.
This subclass is indented under subclass 231. Subject matter wherein a call address designating a terminal
connected to a private branch exchange will control connection to
such a terminal.
This subclass is indented under subclass 229. Subject matter which transmits control or supervisory signal
from a private branch exchange to a central switching exchange.
This subclass is indented under subclass 229. Subject matter wherein control or supervisory signals are
transmitted as tones within the audible frequency range.
This subclass is indented under subclass 229. Subject matter wherein the control or supervisory signal
is represented by the presence or polarity of the current or voltage
in a particular circuit.
This subclass is indented under subclass 236. Subject matter wherein the control or supervisory signals
are represented by the time pattern of abrupt variations in a specified
signal.
This subclass is indented under subclass 237. Subject matter including storage and subsequent retransmission
of pulse or digital interexchange signalling information.
Electrical Computers and Digital Processing Systems: Memory,
subclasses 1+ for addressing combined with specific memory configurations (e.g., extended, expanded, dynamic, etc.) in
a digital data processing system, subclasses 100+ for
generalized address forming in a digital data processing system, and
subclasses 200+ for generalized storage accessing and control
in a digital data processing system.
This subclass is indented under subclass 242. Subject matter to identify or supply a designation related
to different types or levels of service applicable to calling station.
This subclass is indented under subclass 242. Subject matter at a central switching office for determining
which telephone system component is used in a particular call.
This subclass is indented under subclass 245. Subject matter wherein the identified component is a telephone
signal conductor unique to a terminal station or concentrator.
This subclass is indented under subclass 246. Subject matter for identifying a calling station which is
a source of undesired, annoying, or abusive calls.
This subclass is indented under subclass 242. Subject matter for connecting two lines, each of
which has a physically separate pair for each direction of transmission.
This subclass is indented under subclass 242. Subject matter which generates and transmits a signal to
a substation which indicates the presence of, or result
of, a call attempt.
This subclass is indented under subclass 252. Subject matter having an electric circuit element utilizing
an electron discharge device or semiconductor component.
This subclass is indented under subclass 252. Subject matter wherein the call signal generating device
is associated with a particular final stage selecting device.
This subclass is indented under subclass 251. Subject matter which generates a call alerting signal in
response to a connection being made to a line by the operator, or
which enables an operator to by-pass another operator position for
subscriber signalling.
This subclass is indented under subclass 251. Subject matter where a line condition responsive or call
associated signal is transmitted back to the calling terminal.
(1)
Note. Included herein are tones indicating the condition
or result of a call attempt.
This subclass is indented under subclass 242. Subject matter including ccontrol of line interconnection
in response to a call address signal.
(1)
Note. The call address signal is a selectively signal
which specifies the identity of the particular line or terminal
with which communication is desired.
This subclass is indented under subclass 258. Subject matter in which a supervisory or control signal
controls the operation of (a) electron beam deflecting
equipment, (b) a light modifying element, or (c) a
mechanical force or flow modifying element, so as to cause
a change in a detected pattern of the deflected to modified quantity, which
in turn controls a call connection.
(1)
Note. The supervisory or control signal is often
a call address signal.
(2)
Note. Such control often utilizes optical, fluidic, or
mechanical logic.
This subclass is indented under subclass 258. Subject matter where intervention by a human operator is
necessary in order to complete at least some telephone calls.
(1)
Note. There must be a called station addressing
signal (e.g., dial pulses) included
in order to classified here.
(2)
Note. Some examples of semi-automatic systems
are: Operator dialed calls and calls dialed at a terminal
which cause a visible indication of the called station"s number
at a manual operator"s position.
This subclass is indented under subclass 260. Subject matter wherein a register-sender is located
at an operator attended switchboard for manual actuation.
This subclass is indented under subclass 262. Subject matter having means to provide the operator with
a visual or sound indication of a desired called station address.
This subclass is indented under subclass 262. Subject matter in which a call is extended from an operator
answering the calling station to another operator who completes
the connection to the called station.
This subclass is indented under subclass 265.01. Subject matter wherein, based on a computer implemented
application, incoming calls are automatically assigned
to agents in a call center.
This subclass is indented under subclass 265.02. Subject matter wherein agent call center data is conveyed
to a supervisor (e.g., such as
via a terminal display).
This subclass is indented under subclass 265.03. Subject matter wherein an agent inputs information into
a call center computer indicating the agent s identity and whether
the agent is available (by logging-on)
or is not available (by logging-off) to
answer calls received by the call center.
This subclass is indented under subclass 265.03. Subject matter wherein surveillance of the actions of an
agent are used to judge how well the agent is carrying out required
tasks for a call center.
This subclass is indented under subclass 265.06. Subject matter wherein a call center conversation is monitored
or recorded to determine the quality of customer service provided by
an agent.
This subclass is indented under subclass 265.06. Subject matter wherein the length of a plurality of calls
are measured from the time they are answered until their termination
to determine or estimate how long an agent, a group of
agents or an entire call center takes to handle a typical call.
This subclass is indented under subclass 265.02. Subject matter wherein diverse media technology is used
to facilitate call handling or other tasks in an agent call center.
This subclass is indented under subclass 265.02. Subject matter wherein a call parameter in an agent call
center is monitored and an algorithm is implemented to anticipate
how the call should be handled.
This subclass is indented under subclass 265.02. Subject matter which processes a plurality of simultaneous
call attempts to a lesser number of agents by holding each of the
calls in excess of the number of agents until an agent becomes available.
This subclass is indented under subclass 266.01. Subject matter wherein a call is assigned to a particular
agent based upon a predefined characteristic of the call.
This subclass is indented under subclass 266.01. Subject matter wherein a call is moved from one queue to
another, or one ACD to another such that it is handled
more efficiently (e.g., lowers
caller wait time).
This subclass is indented under subclass 266.01. Subject matter wherein a call is assigned to a particular
queue or call center and answered by a specific group of agents based
upon the characteristics of the call.
This subclass is indented under subclass 266.01. Subject matter wherein the time a call is calculated to
remain in queue is conveyed to a caller or supervisor.
This subclass is indented under subclass 265.02. Subject matter wherein an application specifies a specific
algorithm for handling incoming and outgoing calls in a call center.
This subclass is indented under subclass 266.07. Subject matter wherein a calculation based on a call center
parameter such as a schedule of agent, skill of agent, capacity
of a queue, etc., is used by a computer
implemented program to maximize and enhance agent call center performance
in handling incoming and outgoing calls.
This subclass is indented under subclass 265.02. Subject matter wherein a remotely located agent connected
to an agent call center via a network (e.g., a
PSTN) is forwarded a call received by the call center.
This subclass is indented under subclass 265.02. Subject matter wherein a specific record is used to control
or track a call in one or more agent call centers.
This subclass is indented under subclass 258. Subject matter having a device which stores the call address
signal and equipment for controlling switching in response to the
stored signal.
(1)
Note. This and indented subclasses include equipment
for code conversion of the call address signal.
This subclass is indented under subclass 268. Subject matter including plural switching stages and having
several address signal storage means each providing control based
on switching stage, level, or function.
This subclass is indented under subclass 268. Subject matter which sequentially provides connection between
a plurality of link between or within plural switching stages.
This subclass is indented under subclass 268. Subject matter wherein the switching is performed by plural
interconnected and interactive switching stage.
This subclass is indented under subclass 272. Subject matter which modifies the path configuration in
response to a blockage of a previous chosen configuration.
This subclass is indented under subclass 272. Subject matter which includes placing a potential on a lead
or contact of a path selecting multistage switching device and a
hunting circuit for making a connection to the lead or contact in
response to the potential thereon.
Error Detection/Correction and Fault Detection/Recovery,
subclasses 820+ for redundancy in a signal transmission facility
or channel not limited to telephone equipment.
Electrical Computers and Digital Processing Systems: Memory,
subclasses 1+ for addressing combined with specific memory configurations (e.g., extended, expanded, dynamic, etc.) and
subclasses 101+ for storage accessing and control of specific memory
compositions in a digital data processing system.
This subclass is indented under subclass 280. Subject matter which changes the call address signal between
a pattern of abrupt variation in a DC signal such as pulses and
corresponding tone frequencies and variations thereof.
This subclass is indented under subclass 282. Subject matter in which the voice frequency receiver is
responsive to the simultaneous occurrence of designated frequency
pairs.
Electrical Computers and Digital Data Processing
Systems: Multiple Computer or Process Coordinating, appropriate subclassesfor data transferring among multiple computer
and digital processing systems.
This subclass is indented under subclass 280. Subject matter wherein the call signal storage device or
associated circuitry modifies the call address signal.
This subclass is indented under subclass 280. Subject matter in which the call address storage device
includes an electron discharge device or a semiconductor component.
This subclass is indented under subclass 268. Subject matter which changes an electrical signal appearing
in one code representation of the same information.
This subclass is indented under subclass 268. Subject matter including a communication channel for control
or monitoring signals corresponding to one of a plurality of distinct
speech channels and in which access to the communication channel
is divided into discrete time intervals, each of such intervals
corresponding to one of the speech channels and which are switched
so rapidly as to give the effect of simultaneous transmission of
all of the control or indicating signals.
(1)
Note. Placement in this subclass is limited to those
systems in which only the control or supervisory signals are multiplex.
Systems in which the voice signals are also multiplexed are found
in Class 370.
This subclass is indented under subclass 268. Subject matter particularly describing a feature of selection
equipment for an element of a switching array.
This subclass is indented under subclass 291. Subject matter wherein the switching element includes an
electron discharge device or a semiconductor component.
This subclass is indented under subclass 258. Subject matter including equipment to determine whether
or not a component desired for use is already in use.
This subclass is indented under subclass 258. Subject matter wherein successive switching devices for
making the call connection are directly responsive to the calls
address pulse signal transmitted from the calling station.
This subclass is indented under subclass 298. Subject matter having a plurality of switching stages working
sequentially and independently of the state of subsequent stages.
This subclass is indented under subclass 299. Subject matter having a movable circuit completing element, the
motion of which has two perpendicular components.
This subclass is indented under subclass 242. Subject matter which connects a terminal to an operator"s
position in response to the presence of a call.
This subclass is indented under subclass 308. Subject matter with circuitry for handling a plurality of
calls at the same time to a lesser number of operator"s positions.
This subclass is indented under subclass 310. Subject matter having signalling conductors connecting a
plurality of the switchboards for signalling between any two switchboards.
This subclass is indented under subclass 242. Subject matter including plural jack connectors for a line
on different switchboards of a switching exchange.
(1)
Note. The plural line appearances enable a call
to be handled by operators at different switchboards.
This subclass is indented under subclass 242. Subject matter having a switchboard with plural sections, each
section having a separate jack connector for each subscriber.
This subclass is indented under subclass 313. Subject matter in which a switchboard has an additional
section which is used primarily when the capacity of the other sections
is exceeded.
This subclass is indented under subclass 242. Subject matter having a switchboard with a line condition
responsive indicator and controlled in response to an operator"s
action on the call connection.
This subclass is indented under subclass 315. Subject matter wherein the switchboard has a jack containing
resilient contact elements which contact elements are disconnected
by insertion of plug into the jack and which insertion stops the
operation of the indicating signal.
This subclass is indented under subclass 315. Subject matter wherein the line signal operation is stopped
by a relay in response to insertion of a plug into a switchboard
jack.
This subclass is indented under subclass 242. Subject matter including structure or circuitry of a manual
line switching apparatus actuated by a single operator.
This subclass is indented under subclass 320. Subject matter including a detail of a connection between
the switchboard and the operator"s telephone set.
This subclass is indented under subclass 322. Subject matter where a single power supply provides electricity
for a plurality of branches connected to the central switching equipment.
This subclass is indented under subclass 242. Subject matter which prevents damage to the circuits of
the central switching system from improper conditions.
This subclass is indented under subclass 242. Subject matter in which part of the equipment is inserted
to a cooperating connector in another part of the equipment.
This subclass is indented under the class definition. Subject matter for connecting a large number of subscriber
lines to a smaller number of shared or trunk lines.
(1)
Note. The subscriber lines are only connected alternatively
to the shared or trunk lines; for simultaneous transmission
see Class 370, Multiplex Communications.
This subclass is indented under subclass 333. Subject matter having two similar complementary contractors
to permit a large number of subscriber lines to be connected and
supervised over a small number of trunk lines connecting the two
complementary concentrators.
This subclass is indented under subclass 333. Subject matter wherein the connection is performed either
by a rectangular switch array or a selective plural stage switch
having plural horizontal and vertical contact paths.
This subclass is indented under subclass 333. subject matter wherein the concentrator includes either (a) an
electrically excited, or a permanent, source of
magnetic polarization, or (b) a magnetically
operated switch.
This subclass is indented under subclass 333. Subject matter which determines if a trunk is in use and
controls the switching in response to a determination of nonuse.
This subclass is indented under the class definition. Subject matter which receives and retransmits a signal which
is amplified or processed in a telephone system.
(1)
Note. This subclass excludes amplifiers in terminal
sets, particularly of the hands-free type.
This subclass is indented under subclass 338. Subject matter including structure to either modify an electrical
parameter in a complementary relationship with a distance-related effect
on a telephone signal, or to cause the signal transmitted
through the line to be independent of frequency.
This subclass is indented under subclass 341. Subject matter having a signal processing component utilizing
an electron discharge device or semi-conductor component.
This subclass is indented under subclass 338. Subject matter wherein the repeater is controlled by a signal
having a predetermined characteristic (e.g., frequency, amplitude).
This subclass is indented under subclass 338. Subject matter including a component handling signals travelling
in either direction over a telephone line.
This subclass is indented under subclass 344. Subject matter including a component for coupling two physically
separate line pairs each conducting a signal in opposite directions
to a single two-wire line carrying signals in opposite
directions.
This subclass is indented under subclass 338. Subject matter which (a) selectively passes
particular signal frequencies, or (b) has
elements which have negative impedance.
This subclass is indented under subclass 338. Subject matter having circuitry to maintain or modify any
increase or decrease in the magnitude of the signal.
This subclass is indented under the class definition. Subject matter for transmitting either a selective control
signal, or a status indicating signal, over a
telephone line.
(1)
Note. Included herein are dialing, ringing, and
off-hook signals.
This subclass is indented under subclass 350. Subject matter including circuitry to distinguish between
the supervisory or control signal and other signals on the line
and prevent response to the other signals.
This subclass is indented under subclass 350. Subject matter which transmits a called station address
signal over a telephone line from a subscriber terminal.
(1)
Note. This subclass also includes a transmitted
line signal.
(2)
Note. Supervisory signals (e.g., off-hook) are
excluded from this and indented subclasses are classified in subclasses
377+.
This subclass is indented under subclass 352. Subject matter wherein a complete call address signal
is produced in response to actuation of a single key or in response
to a generated code of less than the complete address signal.
This subclass is indented under subclass 355.01. Subject matter wherein the call address signal is stored
for access or modification in a subscriber station apparatus.
This subclass is indented under subclass 355.02. Subject matter wherein the subscriber station includes connection
with apparatus in addition to a telephone.
(1)
Note. For example, computer terminal or
other locally connected apparatus.
This subclass is indented under subclass 355.01. Subject matter wherein the call address signal is stored
at a central office, private branch exchange, interexchange
network, or key system with access thereto via a terminal.
This subclass is indented under subclass 355.05. Subject matter wherein the modification includes a process
provided by other than key input (e.g., handwriting, bar
code, voice, data transfers, etc.).
This subclass is indented under subclass 355.05. Subject matter wherein the modification includes manipulation
of data used for subscriber correlation (e.g., names, addresses, or
other associated information).
This subclass is indented under subclass 355.01. Subject matter wherein the generated call address signal
comprises an additional code affixed to the beginning of the destination call
address signal (e.g., area
code, country code, access code, identification
code, or other codes needed to complete a call).
This subclass is indented under subclass 355.01. Subject matter including manipulation of an input device
for retrieval of at least one desired stored call address signal.
(1)
Note. Example of input device includes key input, touch
screen, bar coder, handwriting recognition, audio
command, etc.
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1.01