| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
|---|
| 08/09/1977 | US4041410 RF level detector |
| 08/09/1977 | US4041409 Automatic gain control circuit |
| 08/09/1977 | US4041390 Transceiver squelch circuit |
| 08/02/1977 | US4039953 Automatic aerial attenuator |
| 07/26/1977 | US4038604 Signal to noise ratio indicating circuit |
| 07/19/1977 | US4037163 Automatic gain control circuit |
| 07/19/1977 | US4036057 Automatic threshold control means and the use thereof |
| 06/28/1977 | US4032973 Positive feedback high gain agc amplifier |
| 06/28/1977 | US4032856 Drift compensated amplifier, particularly for measuring signals |
| 06/28/1977 | US4032854 Amplification and gain control circuit |
| 06/28/1977 | US4032838 Device for generating variable output voltage |
| 06/28/1977 | US4032799 Automatic gain control circuit |
| 06/21/1977 | US4031506 Multiplexer commutated high pass filter |
| 06/21/1977 | US4031504 Gain ranging amplifier system |
| 06/14/1977 | US4030035 Circuit for preventing output clipping of R.F. stage in radio receiver |
| 06/07/1977 | US4028629 Band pass amplifier |
| 06/07/1977 | US4028628 Transceivers for single channel carrier telephone systems |
| 06/07/1977 | US4028496 Digital speech detector |
| 05/31/1977 | US4027281 Digital recording of sonic log wavetrains |
| 05/31/1977 | US4027152 Apparatus and method for transmitting binary-coded information |
| 05/17/1977 | US4024475 Decoder for frequency-modulated tones of two different lengths |
| 05/17/1977 | US4024463 A.C. amplifier automatic gain control fast attack circuit |
| 05/03/1977 | US4021852 Signal defect compensation |
| 05/03/1977 | US4021749 Signal amplifying circuit |
| 05/03/1977 | US4021739 Distress signal protection system |
| 05/03/1977 | US4021652 Incrementally adjustable digital attenuator/amplifier |
| 05/03/1977 | US4021612 Decoder apparatus applicable to matrix 4-channel systems of different types |
| 05/03/1977 | US4021610 Control circuit for a matrixed four channel audio reproducing system |
| 04/26/1977 | US4020421 Muting circuit |
| 04/26/1977 | US4020409 Rectifying and smoothing circuit |
| 04/19/1977 | US4019160 Signal attenuator circuit for TV tuner |
| 04/19/1977 | US4019150 PA protection circuit for a single sideband radio |
| 04/12/1977 | US4017804 Broad band variable gain amplifier |
| 04/05/1977 | US4016557 Automatic gain controlled amplifier apparatus |
| 04/05/1977 | US4016502 Dynamic range extender circuit for preamplifier |
| 04/05/1977 | US4016374 Multichannel record disc recording system with signal level control |
| 03/29/1977 | US4015118 Controlling the amplification in a radiation detecting avalanche diode |
| 03/22/1977 | US4013975 Variable resistance circuit |
| 03/22/1977 | US4013972 Amplifier with gain control means |
| 03/22/1977 | US4013964 Automatic gain control means for a single sideband radio receiver |
| 03/22/1977 | US4013961 A.m. signal generator having an r.f. output level control |
| 03/15/1977 | US4012688 Resistive pad with bridging resistor |
| 03/15/1977 | US4012643 Noise elimination circuit |
| 03/08/1977 | US4011519 Transistor amplifier circuit |
| 02/15/1977 | US4008390 Optical pulse transmission system |
| 02/08/1977 | US4007428 Automatic gain control of pulses |
| 02/01/1977 | US4006427 Automatic gain control circuit |
| 02/01/1977 | US4006419 Pulse interference blanking circuit for radio receivers |
| 02/01/1977 | US4006309 Voice operated relay |
| 01/25/1977 | US4005373 Transient elimination circuit |
| 01/18/1977 | US4004140 Digital attenuator |
| 01/11/1977 | US4002992 Amplitude control for sawtooth wave form |
| 01/11/1977 | US4002977 Measuring circuit |
| 01/04/1977 | US4001702 High speed fm and am demodulator |
| 01/04/1977 | US4001697 Linear a.c. measurements |
| 01/04/1977 | US4001694 Automatic gain control circuit arrangements having a plurality of stages of amplification |
| 12/28/1976 | US4000414 Interference pulse detector circuit |
| 12/21/1976 | US3999141 Controllable gain signal amplifier |
| 12/21/1976 | US3999133 Automatic gain control for transducer circuit |
| 12/21/1976 | US3999132 Stereo inhibit circuit |
| 12/21/1976 | US3999060 Device for receiver for optical signals |
| 11/30/1976 | US3995227 Analog signal sample amplifiers |
| 11/30/1976 | US3995224 Fast automatic gain control circuit with adjustable range |
| 11/30/1976 | US3995220 Interference pulse suppression circuit for radio receivers |
| 11/16/1976 | US3992677 Muting circuit |
| 11/16/1976 | US3992584 Automatic microphone mixer |
| 11/16/1976 | US3992575 Apparatus for optically reading a record carrier by means of an autofocus device |
| 11/16/1976 | US3992574 Opto-electronic system for determining a deviation between the actual position of a radiation-reflecting plane in an optical imaging system and the desired position of said plane |
| 11/09/1976 | US3991370 Peak limiter |
| 11/09/1976 | US3991272 Audio AGC amplifier |
| 11/02/1976 | US3990019 Power amplifier having protective circuits |
| 11/02/1976 | US3989904 Method and apparatus for setting an aural prosthesis to provide specific auditory deficiency corrections |
| 10/26/1976 | US3988694 Automatic level controller |
| 10/26/1976 | US3988692 Gain control circuits |
| 10/26/1976 | US3988598 Multipurpose semiconductor circuits utilizing a novel semiconductor device |
| 10/26/1976 | US3988590 Photomultiplier tube gain regulating system |
| 10/19/1976 | US3987402 Multi-channel gain controls |
| 10/19/1976 | US3987399 Radio receiver |
| 10/19/1976 | US3987242 Automatic dc restorer and gain control |
| 09/28/1976 | US3983488 Frequency-modulation demodulator threshold extension device |
| 09/28/1976 | US3983417 RF level sensing circuit |
| 09/28/1976 | US3983381 Digital automatic gain control circuit |
| 09/21/1976 | US3982189 Square wave to sine wave converter |
| 09/21/1976 | US3982186 FM receiver with detector for multi-path reception |
| 09/14/1976 | US3980955 Control device |
| 09/07/1976 | US3979764 Controlled fading switching circuit |
| 09/07/1976 | US3979679 FM demodulator having squelch circuit using bucket brigade delay line |
| 08/31/1976 | US3978423 Dynamic expander |
| 08/31/1976 | US3978412 Radio receiver noise suppression |
| 08/24/1976 | US3976951 Gain control circuits utilizing a novel semiconductor device |
| 08/10/1976 | US3974450 Dual frequency FM receiver |
| 08/10/1976 | US3974400 Limiter circuit |
| 08/10/1976 | US3974336 Speech processing system |
| 08/03/1976 | US3972626 Autoranging digital luxmeter |
| 07/27/1976 | US3971985 Automatic control system for condition-responsively switching over transceiver and radio or tape recorder audio signals |
| 07/20/1976 | US3970949 High-frequency automatic gain control circuit |
| 07/20/1976 | US3970948 Controller gain signal amplifier |
| 07/13/1976 | US3969683 Automatic level control circuit |
| 07/13/1976 | US3969680 Automatic dynamic compander system |
| 07/06/1976 | US3968467 Touch controlled voltage-divider device |