| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
|---|
| 07/06/1976 | US3968453 Gain control circuit |
| 07/06/1976 | US3968452 Signal level control circuit |
| 07/06/1976 | US3968439 Radio receiver having a preselection circuit tuned by a varactor with a variable limiter threshold circuit to attenuate large amplitude signals |
| 07/06/1976 | US3968438 Off channel gain control circuit |
| 07/06/1976 | US3968383 Noise limiter |
| 06/29/1976 | US3967209 Discriminating sonic detection system |
| 06/29/1976 | US3967204 Circuit for storing the amplitude of the lower-frequency portion of a composite signal |
| 06/22/1976 | US3965435 Circuit for demodulating an amplitude modulated signal |
| 06/22/1976 | US3965425 Electromagnetic radiation source locator |
| 06/22/1976 | US3965410 A.C. potentiometer with bridge having voltage controllable devices |
| 06/15/1976 | US3963992 Linear agc circuit with controlled duty cycle sampling means |
| 06/15/1976 | US3963876 Amplifier circuit for increasing transmit and receive levels in a telephone hybrid network |
| 06/08/1976 | US3962645 Tone frequency detecting circuit |
| 06/08/1976 | US3962553 Portable telephone system having a battery saver feature |
| 06/01/1976 | US3961361 Gain control arrangement useful in a television signal processing system |
| 06/01/1976 | US3961281 Digital control system |
| 06/01/1976 | US3961274 Noise riding threshold |
| 06/01/1976 | US3961268 Disturbance pulse detector circuit for radio receiver blanking |
| 05/25/1976 | US3959732 Signal processing system and method |
| 05/25/1976 | US3959590 Stereophonic sound system |
| 05/18/1976 | US3958213 Adaptive gain control and method for signal processor |
| 05/18/1976 | US3958181 Disturbance signal detector for blanking circuit control |
| 05/18/1976 | US3958134 Installation for the detection and processing of electrical signals |
| 05/18/1976 | US3958082 Circuit arrangement for controlling of amplification devices in a semi-duplex data signal transmission system |
| 04/27/1976 | US3953802 Adjacent channel rejector |
| 04/27/1976 | US3953686 Multichannel record disc recording system |
| 04/20/1976 | US3952259 Gain control apparatus |
| 04/20/1976 | US3952252 Noise suppressor for telecommunication system |
| 04/13/1976 | US3950708 Gain-controlled amplifier |
| 04/06/1976 | US3949301 Digital click removal and squelch control circuit for an FM receiver |
| 03/30/1976 | US3947806 Automatic gain control for seismometer recorders |
| 03/30/1976 | US3947771 Keyed classical AGC system |
| 03/30/1976 | US3947636 Transient noise filter employing crosscorrelation to detect noise and autocorrelation to replace the noisey segment |
| 03/23/1976 | US3946318 Automatic level control circuit for local oscillator signals with the lever control signal being derived from the DC current present in the diode circuit of an MIC frequency mixer |
| 03/16/1976 | USRE28739 Tone control circuit having a frequency controllable filter |
| 03/16/1976 | US3944945 Noise generator system having amplitude control |
| 03/16/1976 | US3944943 Broadband amplifier |
| 03/16/1976 | US3944942 Automatic gain control circuit and method |
| 03/09/1976 | US3943455 Analog feedback amplifier employing a four-quadrant integrated circuit multiplier as the active control element |
| 03/09/1976 | US3943446 Power and modulation control system |
| 03/09/1976 | US3943286 Variable gain control circuit |
| 03/02/1976 | US3942181 Variable-gain amplifier |
| 03/02/1976 | US3941931 Audio signal mixing system |
| 02/24/1976 | US3940715 Distortion measurement system |
| 02/24/1976 | US3940708 Gain control circuit |
| 02/24/1976 | US3940707 Electronic devices for the automatic control of gain and roll-off in amplifiers |
| 02/24/1976 | US3940698 Muting circuit |
| 02/24/1976 | US3940681 Wide amplitude range detecting circuit |
| 02/17/1976 | US3939433 Feedback circuit |
| 02/17/1976 | US3939431 Muting circuit for a radio receiver |
| 02/17/1976 | US3939425 Noise-squelching circuit using a phase-locked loop |
| 02/17/1976 | US3939305 Reverberation mixer circuit |
| 02/10/1976 | US3938047 Control circuit for use with amplifier |
| 02/10/1976 | US3937902 Cartridge muting circuit |
| 02/10/1976 | US3937885 Control circuit for a matrixed four channel audio reproducing system |
| 02/03/1976 | US3936819 Amplifier for analogue signal samples with automatic gain control, and circuit for digitisation of such samples |
| 02/03/1976 | US3936750 AM-FM receiver having improved bias supply circuit |
| 02/03/1976 | US3936599 Automatic gain control system |
| 01/20/1976 | US3934206 Receiver with adjustable squelch |
| 01/20/1976 | US3934085 Audio amplifier systems |
| 01/20/1976 | US3934084 Variable gain amplifier controlled by ambient noise level |
| 01/06/1976 | US3931584 Automatic gain control |