| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
|---|
| 09/10/1987 | DE3606700A1 Controllable RF amplifier having a linear control characteristic |
| 09/09/1987 | EP0235848A1 Automatically controlled amplifier arrangement |
| 09/03/1987 | DE3606703C1 Controllable RF amplifier |
| 09/02/1987 | EP0234651A1 Amplifier with automatic gain control |
| 09/01/1987 | US4691377 Automatic frequency and gain control circuit |
| 09/01/1987 | US4691307 AGC circuit for televiewer |
| 09/01/1987 | US4691173 RF input drive saturation control loop |
| 09/01/1987 | US4691172 MOS Switched capacitor automatic gain control circuit |
| 08/25/1987 | US4689506 Control circuit for use with electronic attenuators and method for providing a control signal proportional to absolute temperature |
| 08/25/1987 | US4689498 Signal input circuit with constant operating power |
| 08/18/1987 | US4688268 Fiber optic receiver having a combined baseline clamp and automatic gain control detector |
| 08/18/1987 | US4688265 Dynamic noise blanker circuit |
| 08/18/1987 | US4688001 High Efficiency, low distortion amplifier |
| 08/18/1987 | US4688000 Non biased push-pull amplifiers |
| 08/18/1987 | CA1225703A1 Squelch signal generator capable of generating a squelch signal with a high reliability |
| 08/13/1987 | WO1987004877A1 A method and circuit for automatic gain control of a signal |
| 08/12/1987 | EP0231721A2 Automatic gain control for hearing aid |
| 08/12/1987 | EP0231690A1 Device for amplifying and sampling analog multiplex signals |
| 08/12/1987 | EP0231679A1 Device for amplifying and scanning signals with wide dynamic range |
| 08/11/1987 | US4686707 Program identifier signal receiver |
| 08/04/1987 | US4684899 Audio amplifier for a motor vehicle |
| 08/04/1987 | CA1225122A1 Apparatus for controlling transmission output power |
| 07/30/1987 | WO1987004578A1 Noise-removing device |
| 07/30/1987 | DE3602064A1 Control circuit for amplitude-modulated carrier signals |
| 07/28/1987 | US4683386 Electronic attenuation value control circuit in which switching noise is suppressed |
| 07/28/1987 | CA1224848A1 Self-calibrating signal strength detector |
| 07/21/1987 | US4682364 Fader circuit arrangement in electrical reproducing apparatus and fader control for such an arrangement |
| 07/21/1987 | US4682045 Noise eliminating signal compensation circuit |
| 07/21/1987 | US4682022 Detector preamplifier for use with a MCT detector |
| 07/21/1987 | CA1224546A1 Method of and arrangement for controlling the gain of an amplifier |
| 07/16/1987 | WO1987004305A1 Traveling wave tube drive controller |
| 07/15/1987 | EP0228875A1 Amplifier circuit having short rise-time |
| 07/14/1987 | US4680588 Radar system with incremental automatic gain control |
| 07/08/1987 | EP0228245A2 Digital level detecting circuit |
| 07/07/1987 | US4679245 Radio receiver |
| 07/07/1987 | US4679240 Touch sensitive hearing aid volume control circuit |
| 06/30/1987 | US4677690 Baseband demodulator for FM and/or AM signals |
| 06/30/1987 | US4677678 Active hearing protectors |
| 06/30/1987 | US4677392 Cascaded internal impedance dependent amplifier with accurate variable gain control |
| 06/30/1987 | US4677389 Noise-dependent volume control having a reduced sensitivity to speech signals |
| 06/25/1987 | DE3545191A1 Entertainment electronics device with a control arrangement for adjusting an operating value between two limit values |
| 06/24/1987 | EP0226401A2 Pulse interference detection for a radar system |
| 06/23/1987 | US4675867 Data processing device |
| 06/23/1987 | CA1223308A1 Automatic gain control circuit |
| 06/18/1987 | WO1987003755A1 Cascaded internal impedance dependent amplifier with accurate variable gain control |
| 06/18/1987 | WO1987003754A1 A method of calibrating and equalizing a multi-chanel automatic gain control amplifier |
| 06/16/1987 | EP0225787A2 Radar system with automatic gain control |
| 06/16/1987 | CA1223048A1 Broadband control amplifier |
| 06/10/1987 | CN86107133A Multi-level power amplifying circuitry for portable radio transceivers |
| 06/10/1987 | CN86106498A Agc in digital signal processor |
| 06/04/1987 | DE3542462A1 Arrangement for regulation of an operating value of a transmission magnitude between two limit values |
| 06/03/1987 | EP0224082A2 Circuit arrangement with a controllable amplification factor |
| 06/03/1987 | EP0223854A1 Rf input drive saturation control loop. |
| 06/02/1987 | US4670720 Switching device for suppressing a signal |
| 06/02/1987 | US4670719 Digitally processing automatic gain control circuit |
| 06/02/1987 | US4669877 Digital gain controlled current to voltage amplifier |
| 05/27/1987 | EP0222927A1 High-frequency amplifier |
| 05/21/1987 | DE3540722A1 Method of automatic level control |
| 05/20/1987 | EP0222435A1 Automatic gain control including a current threshold circuit |
| 05/19/1987 | US4667334 System for broadcasting data packets originating from different sources |
| 05/19/1987 | US4667242 Automatic gain control circuit |
| 05/19/1987 | US4667167 Circuit for automatic gain control |
| 05/19/1987 | US4667163 Automatic gain control circuit |
| 05/19/1987 | CA1222046A1 Automatic control system for acoustic logging |
| 05/13/1987 | EP0221529A2 Apparatus and method for smoothing an abrupt change in signal level |
| 05/12/1987 | US4665560 Wide band automatic gain control with limiting amplifiers |
| 05/07/1987 | WO1987002843A1 Multi-level power amplifying circuitry for portable radio transceivers |
| 05/05/1987 | US4663765 Data muting method and apparatus for audo-digital communications systems |
| 04/29/1987 | EP0219920A2 Circuit arrangement for an amplifier to suppress noise at minimum loudness level |
| 04/28/1987 | US4661996 Method and apparatus for indicating radio frequency carrier loss in remotely controlled vehicles |
| 04/23/1987 | DE3537654A1 Method for reducing reception noise during changeover operations in receivers |
| 04/22/1987 | EP0218870A2 Automatic gain control in a digital signal processor |
| 04/21/1987 | US4660003 Device for limiting the power transmission of radiowave transmitters |
| 04/16/1987 | DE3536306A1 Electronic current stabilizing amplifier |
| 04/15/1987 | EP0218179A1 Signal-amplifying circuit arrangement |
| 04/14/1987 | US4658383 Automatic gain control of digitized full trace acoustic signal in a borehole |
| 04/14/1987 | US4658220 Dual-gate, field-effect transistor low noise amplifier |
| 04/08/1987 | EP0217443A1 Picture signal processing circuit |
| 04/07/1987 | US4656630 Automatic gain control circuit |
| 03/31/1987 | US4654885 Mobile radio range extender with saw filter |
| 03/31/1987 | US4654884 Radio receiver with switching circuit for elimination of intermodulation interference |
| 03/31/1987 | US4654882 Radio communication device and method of controlling transmitter output power |
| 03/31/1987 | US4654707 Method and apparatus for volume control of a BTSC multi-channel sound signal |
| 03/31/1987 | US4654602 Current mirror circuit |
| 03/18/1987 | EP0214899A1 Semiconductor device having means for regulating power supply voltage applied thereto |
| 03/18/1987 | EP0214491A2 Battery or accumulator powered radio receiver |
| 03/18/1987 | EP0214472A2 Control circuit for use with electronic attenuators and method for providing a control signal proportional to absolute temperature |
| 03/18/1987 | EP0214376A2 Circuit arrangement for a low-noise audio-frequency signal source |
| 03/17/1987 | CA1219359A1 Driver amplifier for an image display device |
| 03/12/1987 | DE3530674A1 Sound reproduction system with remotely controlled tone setting |
| 03/11/1987 | EP0213562A2 Signal-processing circuit having a field-effect MOSFET and bipolar transistors |
| 03/11/1987 | EP0213224A1 Method for rapid gain acquisition in a modem receiver |
| 03/04/1987 | EP0212105A2 Circuit arrangement to control the sound volume in a motor car in dependence upon the speed of it |
| 03/03/1987 | US4648127 Noise detector |
| 03/03/1987 | US4648126 Noise detector |
| 03/03/1987 | US4648118 Apparatus for reducing noise in audio signals |
| 03/03/1987 | US4648117 Mobile sound field correcting device |
| 02/25/1987 | EP0211714A1 Device for increasing the dynamic range of an amplifying circuit, in particular of an MLS board receiver |
| 02/24/1987 | US4646029 Variable-gain amplifying circuit |
| 02/17/1987 | US4644292 Automatic gain and frequency characteristic control unit in audio device |