| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
|---|
| 10/10/1978 | US4119812 Signal defect detection and compensation with signal de-emphasis |
| 10/03/1978 | US4118785 Method and apparatus for digital attenuation by pattern shifting |
| 10/03/1978 | CA1039873A1 Amplifier circuit for increasing transmit and receive levels |
| 10/03/1978 | CA1039530A1 Photomultiplier tube gain regulating system |
| 09/26/1978 | US4117410 Phase locked loop signal demodulator and squelch circuit |
| 09/26/1978 | US4117406 Muting arrangement for am synchronous detector using a pll circuit |
| 09/26/1978 | US4116136 Method of and furnace for burning waste material |
| 09/12/1978 | US4114108 Overdrive protection circuit |
| 09/12/1978 | US4114105 Noise blanker circuit |
| 09/12/1978 | US4114097 Frequency shift signal receiver |
| 09/12/1978 | CA1038461A1 Gain control circuits |
| 09/12/1978 | CA1038456A1 Amplifier protection circuit |
| 09/05/1978 | US4112384 Controlled recovery automatic gain control amplifier |
| 09/05/1978 | US4112371 Muting and tuning indicator system for an FM receiver |
| 09/05/1978 | CA1038048A1 Controllable gain signal amplifier |
| 08/29/1978 | US4110708 Multichannel modulation system including automatic gain shifter |
| 08/29/1978 | US4110699 Adaptive audio compressor |
| 08/29/1978 | CA1037571A1 Controllable gain signal amplifier |
| 08/29/1978 | CA1037567A1 Receiver protection circuit apparatus |
| 08/29/1978 | CA1037566B Circuit arrangement for suppressing interferences in an fm radio receiver |
| 08/22/1978 | US4109213 Digital automatic gain amplifier |
| 08/15/1978 | US4107618 Amplifier system having signal gain independent of a reference voltage |
| 08/15/1978 | US4107614 Muting control circuit for FM receiver |
| 08/15/1978 | US4107613 Wireless microphone with FM receiver muting system responsive to excessive undesired AM level or low AGC control level |
| 08/15/1978 | CA1036736A1 Self-adjusting voice frequency repeater |
| 08/15/1978 | CA1036706A1 Signal processing system and method |
| 08/15/1978 | CA1036678A1 Electrical digital fade in and fade out circuit |
| 08/08/1978 | US4105976 Automatic gain control |
| 08/01/1978 | US4104597 Variable sensitivity monitor circuit |
| 08/01/1978 | US4104596 Instantaneous floating point amplifier |
| 07/25/1978 | US4103243 Method and system for controlling peak signal levels in a bandlimited recording or transmission system employing high-frequency pre-emphasis |
| 07/18/1978 | US4101843 Automatic recording level control circuit with manual sensitivity compensating circuit |
| 07/18/1978 | US4101842 Differential amplifier |
| 07/18/1978 | US4101841 Gain control circuit |
| 07/18/1978 | US4101763 Control system for an image detector |
| 07/11/1978 | US4100433 Voltage to current converter circuit |
| 07/04/1978 | US4099127 Audio frequency automatic muting arrangement |
| 07/04/1978 | US4098242 Automatic control system with gain switching |
| 06/20/1978 | US4096382 Photo-current log-compression circuit |
| 06/13/1978 | US4095191 Phase locked loop circuit |
| 06/06/1978 | US4093824 Receiver having a phase-locked loop |
| 05/23/1978 | US4091414 Forward locking infrared video processing system having a scene dynamic range expander |
| 05/23/1978 | US4091380 Programmable binary amplifier |
| 05/09/1978 | US4088963 Gain control circuit |
| 05/02/1978 | US4087840 Method and apparatus for magnetically recording and reproducing physiological information |
| 05/02/1978 | US4087793 Digital electronic control and switching arrangement |
| 04/18/1978 | US4085431 Limiter circuit |
| 04/18/1978 | US4085370 Radio receiver having co-channel interference operated squelch |
| 04/18/1978 | US4085340 Range switching transient eliminator circuit |
| 04/11/1978 | US4084187 Circuit for accurately extracting the synchronization information contained within a composite video waveform |
| 04/11/1978 | US4084111 Apparatus for the digital control of analog signal |
| 04/04/1978 | US4083036 Arrangement for producing pulse-shaped signals |
| 04/04/1978 | CA1029103A1 Analog signal sample amplifier with automatic gain control and error compensation |
| 03/14/1978 | US4079335 Adaptive level control for electro-acousto device |
| 03/14/1978 | US4079334 Digitally controlled amplifying equipment |
| 02/28/1978 | US4077014 Automatic gain control circuit |
| 02/28/1978 | US4076969 Impulse noise reduction system |
| 02/28/1978 | US4076959 Volume, tone and balance control for multi-channel audio systems |
| 02/21/1978 | US4075671 Automatic ac biasing of a magnetoresistive element |
| 02/21/1978 | US4075573 Incremental agc signal generator with controllable increments |
| 02/21/1978 | US4075568 Electrical control device |
| 02/21/1978 | US4075559 Technique for extending the range of a signal measuring circuit |
| 02/14/1978 | US4074314 Apparatus for optically reading a record carrier and correcting focus error |
| 01/31/1978 | US4071695 Speech signal amplitude equalizer |
| 01/24/1978 | US4070698 Point of sale automatic announcing system with preprogrammed capacity |
| 01/24/1978 | US4070633 Remote controlled amplifier |
| 01/24/1978 | US4070632 Discrete-gain output limiter |
| 01/24/1978 | US4070572 Linear signal isolator and calibration circuit for electronic current transformer |
| 01/10/1978 | US4068185 Current balancing circuit for use with chromatographic system detector |
| 01/10/1978 | US4068092 Voice control circuit |
| 01/03/1978 | US4066977 Digitized AGC amplifier with gain hysteresis circuit |
| 01/03/1978 | US4066965 RF GTWT Saturating circuit |
| 01/03/1978 | US4066845 Pulsive noise removing apparatus for an FM receiver |
| 12/27/1977 | US4065725 Gain control circuit |
| 12/20/1977 | US4064506 Current mirror amplifiers with programmable current gains |
| 12/20/1977 | US4064480 Means and method for recording seismic signals |
| 12/20/1977 | US4064464 Amplitude stabilized power amplifier |
| 12/06/1977 | US4061874 System for reproducing sound information |
| 11/22/1977 | US4059818 Periodic waveform interference eliminator |
| 11/22/1977 | US4059808 Differential amplifier |
| 11/08/1977 | US4057765 Variable amplifier for RF input stage |
| 11/01/1977 | US4056685 Signal distributing and muting system for multiple channel FM stereo system |
| 10/25/1977 | US4055813 Single adjustment multiple function calibration circuit |
| 10/18/1977 | US4054844 Amplifying system |
| 10/11/1977 | US4053843 Blanker inhibit circuit |
| 10/04/1977 | US4052678 Noise floor indicative circuit |
| 10/04/1977 | US4052677 Non-linear function generator with switched channels |
| 10/04/1977 | US4052622 Child's lamp and audio device |
| 10/04/1977 | US4052598 Control system with fast response |
| 09/27/1977 | US4051442 Gain control circuits for audio amplifiers |
| 09/20/1977 | US4050086 Dynamic transducer biasing signal amplifying circuitry |
| 09/20/1977 | US4050022 AM-FM receiver having improved mode conversion |
| 09/13/1977 | US4048576 Transistor amplifier stage with selectively adjustable gain control circuit |
| 09/13/1977 | US4048573 Amplifier improvements for limiting clipping |
| 09/13/1977 | US4048569 Receiver automatic gain control system |
| 09/13/1977 | US4048566 Suppressed carrier automatic gain control circuitry |
| 08/30/1977 | US4045748 Audio control system |
| 08/23/1977 | US4044309 Automatic squelch circuit with hysteresis |
| 08/23/1977 | US4044205 Reception techniques for improving intelligibility of an audio frequency signal |
| 08/16/1977 | US4042883 Automatic noise limiter |