| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
|---|
| 09/07/1982 | CA1131320A1 Automatic gain control circuit |
| 09/01/1982 | EP0058820A1 Radio frequency generator system |
| 08/31/1982 | US4347531 Circuit converting a pair of differential input signals to single-ended output signals |
| 08/31/1982 | CA1130865A1 Data communication system |
| 08/17/1982 | US4345214 Variable emitter degeneration gain-controlled amplifier |
| 08/10/1982 | US4344175 Muting circuit |
| 08/10/1982 | US4344043 Variable load impedance gain-controlled amplifier |
| 08/03/1982 | CA1129094A1 Fm signal demodulator with defect detection |
| 08/03/1982 | CA1129085A1 Peak detector circuit |
| 08/03/1982 | CA1129084A1 Agc keying signal circuit |
| 08/03/1982 | CA1129083A1 Keyed agc circuit |
| 08/03/1982 | CA1129011A1 Radio receiver audio attenuator |
| 08/03/1982 | CA1129010A1 Citizens band transmitter with overall envelope feedback from antenna coupling filter |
| 08/03/1982 | CA1128872A1 Volume control apparatus |
| 07/28/1982 | EP0056464A2 Pulsive noise removing apparatus |
| 07/27/1982 | US4342120 Squelch system for use in a multiple carrier AM communications systems receiver |
| 07/27/1982 | US4342023 Noise level controlled voice warning system for an automotive vehicle |
| 07/27/1982 | US4342005 Television intermediate frequency amplifier with feedback stabilization |
| 07/20/1982 | US4340866 Thermally-compensated variable gain differential amplifier |
| 07/20/1982 | CA1128132A1 Measuring device for transmitting measuring signals via an optical link |
| 07/13/1982 | US4339728 Radio receiver signal amplifier and AGC circuit |
| 07/13/1982 | US4339677 Electrically variable impedance circuit with feedback compensation |
| 07/13/1982 | CA1127723A1 Control of the transfer constants of amplifying and attenuating device |
| 07/13/1982 | CA1127718A1 Radio receiver blanker inhibit circuit |
| 07/06/1982 | US4338572 HF Amplifier circuit |
| 07/06/1982 | EP0045801A4 Digital pseudo continuous tone detector. |
| 06/30/1982 | EP0054571A1 Light receiving circuit |
| 06/29/1982 | US4337527 Acoustic Doppler detector |
| 06/29/1982 | US4337440 Electronic cascade circuit comprising a circuit having controllable transfer characteristics and a two-port |
| 06/29/1982 | CA1126825A1 Automatic gain control device for a single-sideband receiver |
| 06/22/1982 | US4336499 Dynamic headroom test generator |
| 06/22/1982 | CA1126392A1 Memory type automatic adjustment system |
| 06/22/1982 | CA1126354A1 Amplitude modulator |
| 06/22/1982 | CA1126342A1 Electronic switching system for reducing noise transients |
| 06/15/1982 | US4335356 Programmable two-quadrant transconductance amplifier |
| 06/08/1982 | US4334317 Noise blanking circuitry in a radio receiver |
| 06/08/1982 | US4334185 Circuit for automatic gain control with constant response time |
| 06/08/1982 | CA1125395A1 D.c. gain controlled amplifier |
| 06/01/1982 | US4333056 Automatic gain control circuit with non-negative exponential release |
| 06/01/1982 | CA1124806A1 Gain control circuit |
| 06/01/1982 | CA1124805A1 Radio frequency amplifier with gain control |
| 06/01/1982 | CA1124652A1 Power amplifier circuit |
| 05/26/1982 | EP0052532A2 Squelch system for use in a multiple carrier AM communications systems receiver |
| 05/25/1982 | US4331885 Gate circuit |
| 05/25/1982 | US4331158 Cardiac amplifier system with low transient fast switching |
| 05/25/1982 | CA1124329A1 Process and system for controlling the efficiency of an electronic device |
| 05/18/1982 | US4330866 Arrangement for selectively routing a signal indicative of received signal strength to different portions of a radio receiver in response to different levels of a control signal |
| 05/18/1982 | US4330859 Automatic gain control circuit in multi-direction time division multiplex communication system |
| 05/18/1982 | CA1123924A1 Regulating amplifier |
| 05/11/1982 | US4329713 Television automatic gain control system |
| 05/04/1982 | US4328465 Tone control circuit utilizing variable gain amplifier |
| 05/04/1982 | CA1123065A1 Signal attenuator |
| 04/29/1982 | EP0041566A4 Bandpass amplifier circuits. |
| 04/27/1982 | US4327446 Noise blanker which tracks average noise level |
| 04/27/1982 | US4327432 Video disc player with RFI reduction circuit |
| 04/27/1982 | US4327431 Video disc player with variable offset RFI reduction circuit |
| 04/27/1982 | US4327373 Composite color signal processing circuit |
| 04/27/1982 | CA1122685A1 Radar receiver |
| 04/20/1982 | US4326297 Noise suppressing device in FM receiver |
| 04/20/1982 | US4325384 Digitally controlled amplitude regulating device for electrocardiographic signals |
| 04/13/1982 | CA1121866A1 Electrically tunable inductor and method |
| 04/13/1982 | CA1121865A1 Stable, fast acting a.g.c. system using multiplier-divider circuit comprising logarithmic and anti-logarithmic amplifiers |
| 04/13/1982 | CA1121736A1 Circuit for suppressing noise caused by scratches on a gramophone record |
| 03/30/1982 | US4322689 High frequency pulse amplifier |
| 03/30/1982 | US4322644 Circuit arrangement for controlling the operating functions of a broadcast receiver |
| 03/30/1982 | US4322579 Sound reproduction in a space with an independent sound source |
| 03/24/1982 | EP0048200A1 Tuning-frequency search device for a frequency-modulation radio receiver |
| 03/18/1982 | WO1982000931A1 A method and an arrangement for increasing the dynamic range at the input stage of a receiver in an optical fibre information transmission system |
| 03/16/1982 | US4320352 Input optimized FET bias circuit |
| 03/16/1982 | US4320348 Variable level converter |
| 03/16/1982 | US4320255 Radio with audio controls and associated displays |
| 03/16/1982 | US4320254 Volume control apparatus |
| 03/09/1982 | US4319347 Seismic method and system of improved resolution and discrimination |
| 03/09/1982 | US4319203 Performance-stabilization system for an electrical component emitting pulsed energy |
| 03/09/1982 | US4319195 Demodulator for amplitude modulated signal having high input impedance |
| 03/09/1982 | US4319143 Impedance converting circuit |
| 03/09/1982 | CA1119701A1 Automatic gain control circuit for a pulsed radar |
| 03/09/1982 | CA1119679A1 Error-compensating amplification stage |
| 03/02/1982 | US4318053 Amplifier system with automatic distortion control |
| 03/02/1982 | US4318051 Symmetrically gain controlled differential amplifier |
| 03/02/1982 | US4318009 Circuit system for the generation of a direct control voltage depending upon an alternating voltage |
| 02/23/1982 | US4317050 User control arrangement for controlling a plurality of functions |
| 02/18/1982 | WO1982000552A1 High speed squelch circuit |
| 02/18/1982 | WO1982000536A1 Stage converter of electric signals |
| 02/17/1982 | EP0045801A1 Digital pseudo continuous tone detector. |
| 02/16/1982 | US4316141 Measuring device with optical signal transmission |
| 02/09/1982 | US4315221 Switching circuit |
| 02/02/1982 | US4314377 Noise removing apparatus |
| 02/02/1982 | US4314376 Double-sideband, suppressed-carrier, signal injection apparatus for muting in an FM receiver |
| 02/02/1982 | US4314372 Methods and means for producing and reproducing transmitted or recorded sound or video signals |
| 02/02/1982 | US4314207 Transistor amplifier |
| 02/02/1982 | CA1117605A1 Noise blanker circuit |
| 01/26/1982 | US4313221 Mixer/oscillator circuit |
| 01/26/1982 | US4313218 Extended AGC for a radio receiver |
| 01/26/1982 | US4313215 Circuit for attenuating disturbing noise signals |
| 01/26/1982 | US4313089 Precision quadrature analog phase detector |
| 01/26/1982 | EP0038331A4 Signal processing equipment for ultrasonic visualisation. |
| 01/26/1982 | CA1117188A1 Thermally responsive power control for a radio transmitter |
| 01/26/1982 | CA1117187A1 Temperature control circuit |
| 01/19/1982 | US4312032 RF Power control apparatus |