Version: 2024.08
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| H03J 1/00 |
H03J 1/0008 | . | {using a central processing unit, e.g. a microprocessor (digital tuning in general H03J 5/0245)} [2013-01] |
H03J 1/0016 | . . | {Indicating arrangements (digital indication of tuning in general H03J 1/048)} [2013-01] |
H03J 1/0025 | . . | {in a remote control unit (remote control tuning in general H03J 9/00)} [2013-01] |
H03J 1/0033 | . . | {for voltage synthesis with a D/A converter} [2013-01] |
H03J 1/0041 | . . | {for frequency synthesis with counters or frequency dividers} [2013-01] |
H03J 1/005 | . . . | {in a loop} [2013-01] |
H03J 1/0058 | . . | {provided with channel identification means (arrangements for monitoring the use made of broadcast services H04H 60/31)} [2013-01] |
H03J 1/0066 | . . . | {with means for analysing the received signal strength (H03J 1/0083 takes precedence)} [2013-01] |
H03J 1/0075 | . . . . | {where the receiving frequencies of the stations are stored in a permanent memory, e.g. ROM} [2013-01] |
H03J 1/0083 | . . . | {using two or more tuners} [2013-01] |
H03J 1/0091 | . . | {provided with means for scanning over a band of frequencies (H03J 1/0058 takes precedence)} [2013-01] |
H03J 1/02 | . |
H03J 1/025 | . . | {with voiced announcement} [2013-01] |
H03J 1/04 | . . | with optical indicating means [2013-01] |
H03J 1/041 | . . . | {Pointers, markers, or the like, for tuning dials; Folding dials} [2013-01] |
H03J 1/042 | . . . | {Means insuring a precise reading of the dial, e.g. special scale, local illumination possibly temporary, luminous point moving with the pointer} [2013-01] |
H03J 1/044 | . . . | {Illumination of the tuning dial; On and off switching of the illumination; Circuits related with illumination} [2013-01] |
H03J 1/045 | . . . | {Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like} [2013-01] |
H03J 1/047 | . . . . | {using electronic means, e.g. LED's (display of electronic variables in general G01R 13/00, for discontinuous display G01R 13/404)} [2013-01] |
H03J 1/048 | . . . . . | {with digital indication (using a microprocessor H03J 1/0016)} [2013-01] |
H03J 1/06 | . | Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control [2013-01] |
H03J 1/063 | . . | {Special arrangements taken in correlation with the wear; Suppressing backlash; Locking in a desired position} [2013-01] |
H03J 1/066 | . . | {Constructional details regarding potentiometric setting of voltage or current variable reactances} [2021-01] |
H03J 1/08 | . . | Toothed-gear drive; Worm drive [2013-01] |
H03J 1/10 | . . | Rope drive; Chain drive [2013-01] |
H03J 1/12 | . . | Friction drive [2013-01] |
H03J 1/14 | . . | Special arrangements for fine and coarse tuning [2013-01] |
H03J 1/16 | . . | Single control means independently performing two or more functions [2013-01] |
H03J 1/18 | . | Control by auxiliary power [2013-01] |
H03J 1/182 | . . | {using a ring of magnets or the like} [2013-01] |
H03J 1/185 | . . | {the auxiliary power producing an adjustment dependent on the current intensity} [2013-01] |
H03J 1/187 | . . | {the auxiliary power balancing automatically a Wheatstone bridge or the like, that has been unbalanced by the controlling device} [2013-01] |
H03J 1/20 | . . | the auxiliary power being switched on as long as controlling current is switched on [2013-01] |
H03J 1/22 | . . | with stepping arrangements actuated by control pulses [2013-01] |
H03J 3/00 |
H03J 3/02 | . | Details [2013-01] |
H03J 3/04 | . . | Arrangements for compensating for variations of physical values, e.g. temperature [2023-01] |
H03J 3/06 | . . | Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges [2023-01] |
H03J 3/08 | . . . | by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter [2013-01] |
H03J 3/10 | . . | Circuit arrangements for fine tuning, e.g. bandspreading [2013-01] |
H03J 3/12 | . . | Electrically-operated arrangements for indicating correct tuning [2013-01] |
H03J 3/14 | . . . | Visual indication, e.g. magic eye [2013-01] |
H03J 3/16 | . . | Tuning without displacement of reactive element, e.g. by varying permeability [2013-01] |
H03J 3/18 | . . . | by discharge tube or semiconductor device simulating variable reactance [2013-01] |
H03J 3/185 | . . . . | {with varactors, i.e. voltage variable reactive diodes} [2013-01] |
H03J 3/20 | . | of single resonant circuit by varying inductance only or capacitance only [2013-01] |
H03J 3/22 | . | of single resonant circuit by varying inductance and capacitance simultaneously [2013-01] |
H03J 3/24 | . | of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning [2013-01] |
H03J 3/26 | . . | the circuits being coupled so as to form a bandpass filter [2013-01] |
H03J 3/28 | . | of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range [2013-01] |
H03J 3/30 | . . | Arrangements for ensuring tracking with variable inductors [2013-01] |
H03J 3/32 | . . | Arrangements for ensuring tracking with variable capacitors [2013-01] |
H03J 5/00 |
H03J 5/02 | . | with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings [2013-01] |
H03J 5/0209 | . . | {Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of non preset values} [2013-01] |
H03J 5/0218 | . . | {Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values} [2013-01] |
H03J 5/0227 | . . . | {using a counter} [2013-01] |
H03J 5/0236 | . . . | {with possibility to skip over certain counter positions, i.e. channel skipping, or scanning the counter position with a variable frequency rate} [2013-01] |
H03J 5/0245 | . . | {Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form (microprocessor tuning H03J 1/0008)} [2013-01] |
H03J 5/0254 | . . . | {the digital values being transfered to a D/A converter} [2013-01] |
H03J 5/0263 | . . . . | {the digital values being held in an auxiliary non erasable memory} [2013-01] |
H03J 5/0272 | . . . | {the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer} [2013-01] |
H03J 5/0281 | . . . . | {the digital values being held in an auxiliary non erasable memory} [2013-01] |
H03J 5/029 | . . . | {with channel skipping capability} [2013-01] |
H03J 5/04 | . . | operated by hand [2013-01] |
H03J 5/06 | . . . | Settings determined by single indexing means with snap action [2013-01] |
H03J 5/08 | . . . | Settings determined by a number of separately-actuated positioning means [2013-01] |
H03J 5/10 | . . . | Settings determined by a number of positioning means mounted on a common support, {e.g. turret tuner,} which is adjustable to desired positions, a different positioning means being in operation in each position [2023-01] |
H03J 5/12 | . . . | Settings determined by a number of separately-actuated driving means which adjust the tuning element directly to desired settings [2013-01] |
H03J 5/14 | . . | operated by auxiliary power [2013-01] |
H03J 5/143 | . . . | {Settings determined by a number of positioning means mounted on a common support, e.g. turret tuner, which is adjustable to determined positions, a different positioning means being in operation in each position} [2013-01] |
H03J 5/146 | . . . | {Settings desired by a switch controlled together with the tuning member and which stops the control as soon as a desired position is reached} [2013-01] |
H03J 5/16 | . . . | Settings determined by a number of separate positioning means actuated by hand [2013-01] |
H03J 5/18 | . . . | Settings determined by a number of separate positioning means actuated by electromagnets [2013-01] |
H03J 5/20 | . . . | Settings determined by a number of positioning means actuated by a second means adjustable to different positions by the same or by a second auxiliary power [2013-01] |
H03J 5/22 | . . . | Settings determined by a number of separately actuated driving means which adjust the tuning element directly to desired settings [2013-01] |
H03J 5/24 | . | with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection [2023-01] |
H03J 5/242 | . . | {used exclusively for band selection} [2013-01] |
H03J 5/244 | . . . | {using electronic means} [2013-01] |
H03J 5/246 | . . | {using electronic means (H03J 5/244 takes precedence)} [2013-01] |
H03J 5/248 | . . | {using electromechanical means} [2013-01] |
H03J 5/26 | . . | operated by hand [2013-01] |
H03J 5/28 | . . . | Tuning circuits or elements supported on a revolving member with contacts arranged in a plane perpendicular to the axis [2013-01] |
H03J 5/30 | . . . | Tuning circuits or elements supported on a revolving member with contacts arranged in lines parallel to the axis [2013-01] |
H03J 5/32 | . . . | Stationary tuning circuits or elements selected by push-button [2013-01] |
H03J 7/00 | Automatic frequency control; Automatic scanning over a band of frequencies [2013-01] |
H03J 7/02 | . |
H03J 7/023 | . . | {Neutralization of the automatic frequency correction during a tuning change} [2013-01] |
H03J 7/026 | . . | {Means preventing a wrong working of the automatic frequency correction in case of fading or bad signal/noise ratio} [2013-01] |
H03J 7/04 | . . | where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant [2013-01] |
H03J 7/042 | . . . | {with reactance tube} [2013-01] |
H03J 7/045 | . . . | {Modification of automatic frequency control sensitivity or linearising automatic frequency control operation; Modification of the working range (H03J 7/10 takes precedence)} [2013-01] |
H03J 7/047 | . . . | {Automatic frequency control using an auxiliary signal, e.g. low frequency scanning of the locking range or superimposing a special signal on the input signal} [2013-01] |
H03J 7/06 | . . . | using counters or frequency dividers [2013-01] |
H03J 7/065 | . . . . | {the counter or frequency divider being used in a phase locked loop} [2013-01] |
H03J 7/08 | . . . |
H03J 7/10 | . . . . | Modification of automatic frequency control sensitivity or linearising automatic frequency control operation [2013-01] |
H03J 7/12 | . . . . | Combination of automatic frequency control voltage with stabilised varactor supply voltage [2013-01] |
H03J 7/14 | . . . |
H03J 7/16 | . . | where the frequency control is accomplished by mechanical means, e.g. by a motor [2013-01] |
H03J 7/18 | . | Automatic scanning over a band of frequencies [2013-01] |
H03J 7/183 | . . | {combined with selection between different stations transmitting the same programm, e.g. by analysis of the received signal strength} [2013-01] |
H03J 7/186 | . . . | {using two or more tuners} [2013-01] |
H03J 7/20 | . . | where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element {(H03J 7/183 takes precedence)} [2013-01] |
H03J 7/22 | . . . | in which an automatic frequency control circuit is brought into action after the scanning action has been stopped (H03J 7/24 takes precedence) [2013-01] |
H03J 7/24 | . . . |
H03J 7/26 | . . . . | in which an automatic frequency control circuit is brought into action after the scanning action has been stopped [2013-01] |
H03J 7/28 | . . . | using counters or frequency dividers [2013-01] |
H03J 7/285 | . . . . | {the counter or frequency divider being used in a phase locked loop} [2013-01] |
H03J 7/30 | . . | where the scanning is accomplished by mechanical means, e.g. by a motor [2013-01] |
H03J 7/305 | . . . | {in which an automatic frequency control circuit is brought in action after the scanning action has been stopped} [2013-01] |
H03J 7/32 | . . | with simultaneous display of received frequencies, e.g. panoramic receivers [2013-01] |
H03J 9/00 | Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification (mechanical remote-control arrangements H03J 1/00 {; using a microprocessor H03J 1/0025; constructional details of remote control switching devices H01H 9/0235}) [2017-08] |
H03J 9/002 | . | {comprising one or more tuning stages separated from the rest of a receiver} [2013-01] |
H03J 9/005 | . | {using non-electrical means without push-button control, e.g. pneumatic, hydraulic or sound wave transmission, Bowden cables} [2013-01] |
H03J 9/007 | . | {by voltages or currents with different frequencies or phases} [2013-01] |
H03J 9/02 | . | using radio transmission; using near-field transmission [2013-01] |
H03J 9/04 | . | using ultrasonic, sonic or infrasonic waves [2013-01] |
H03J 9/06 | . | using electromagnetic waves other than radio waves, e.g. light [2013-01] |
H03J 2200/00 | Indexing scheme relating to tuning resonant circuits and selecting resonant circuits [2013-01] |
H03J 2200/01 | . | Circuitry controlling the selecting or switching action [2013-01] |
H03J 2200/02 | . | Algorithm used as input for AFC action alignment receiver [2013-01] |
H03J 2200/03 | . | Alignment of a receiver during fabrication [2013-01] |
H03J 2200/04 | . | Alignment of a transmitter during fabrication [2013-01] |
H03J 2200/05 | . | Alignment of transmitter with a receiver, after fabrication [2013-01] |
H03J 2200/06 | . | Tuning of antenna [2013-01] |
H03J 2200/07 | . | Calibration of receivers, using quartz crystal oscillators as reference [2013-01] |
H03J 2200/08 | . | Calibration of receivers, in particular of a band pass filter [2013-01] |
H03J 2200/09 | . | Calibration of oscillator in receiver, using an external carrier frequency as reference [2013-01] |
H03J 2200/10 | . | Tuning of a resonator by means of digitally controlled capacitor bank [2013-01] |
H03J 2200/11 | . | Cellular receiver, e.g. GSM, combined with a GPS receiver [2013-01] |
H03J 2200/12 | . | Radio receiver combined with a GPS receiver [2013-01] |
H03J 2200/13 | . | Television receiver combined with a GPS receiver [2013-01] |
H03J 2200/14 | . | Tunable filter in receiver contributing to image rejection [2013-01] |
H03J 2200/15 | . | Tuning of resonator by means of digitally controlled inductor bank [2013-01] |
H03J 2200/16 | . | Interpolation of control values for varicaps [2013-01] |
H03J 2200/17 | . | Elimination of interference caused by harmonics of local oscillator [2013-01] |
H03J 2200/18 | . | Tuning of a master filter in order to tune its slave filter [2013-01] |
H03J 2200/19 | . | Resonator in MEMS technology [2013-01] |
H03J 2200/20 | . | Radio receiver with possibility to choose a station with a certain program style [2013-01] |
H03J 2200/21 | . | Television receiver with possibility to choose a station with a certain program style [2013-01] |
H03J 2200/22 | . | Remote control device controlling cursor and/or including a cursor detecting device [2013-01] |
H03J 2200/23 | . | Remote control device with display showing data to be transmitted to the controlled apparatus [2013-01] |
H03J 2200/24 | . | Remote control device with display showing program content [2013-01] |
H03J 2200/25 | . | Remote control device with display [2013-01] |
H03J 2200/26 | . . | Remote control device with touch screen display [2013-01] |
H03J 2200/27 | . | Adjusting the seek sensitivity of a scanning or sweeping receiver [2013-01] |
H03J 2200/28 | . | Automatic self-alignment of a receiver [2013-01] |
H03J 2200/29 | . | Self-calibration of a receiver [2013-01] |
H03J 2200/30 | . | Radio receiver with speech synthesis ability, used for conveying information that is shown on the display [2013-01] |
H03J 2200/31 | . | Several sweeping or scanning speeds [2013-01] |
H03J 2200/32 | . | Tuning of tracking filter [2013-01] |
H03J 2200/33 | . | Tuning of filter by controlling transconductance [2013-01] |
H03J 2200/34 | . | Tuning of oscillator by controlling transconductance [2013-01] |
H03J 2200/35 | . | Inductance tunable by switching in/out parts of the inductor [2013-01] |
H03J 2200/36 | . | Circuit arrangements for, e.g. increasing the tuning range, linearizing the voltage-capacitance relationship, lowering noise, constant slope in different bands [2016-08] |
H03J 2200/37 | . | Control voltage applied to the anode of the varicap [2013-01] |
H03J 2200/38 | . | Control voltage applied to the cathode of the varicap [2013-01] |
H03J 2200/39 | . | Variable capacitors implemented using microelectro-mechanical systems [MEMS] [2017-08] |
H03J 2200/40 | . | Conversion to a zero or near-zero intermediate frequency [2013-01] |