| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
|---|
| 11/27/1984 | US4485349 Stabilized microwave power amplifier system |
| 11/27/1984 | US4485301 Linear two-terminal integrated circuit photo sensor |
| 11/20/1984 | US4484358 Receiver having switched capacitor filter |
| 11/20/1984 | US4484356 Apparatus and method for acquiring and processing radio signals received at different frequencies |
| 11/20/1984 | US4484345 Prosthetic device for optimizing speech understanding through adjustable frequency spectrum responses |
| 11/20/1984 | CA1178337A1 Automatic photocell loading |
| 11/14/1984 | EP0125167A1 High-power amplifying klystron for feeding a variable load |
| 11/13/1984 | US4482989 Apparatus for optically scanning a disc-shaped record carrier |
| 11/13/1984 | US4482973 Digital automatic gain control circuit |
| 11/13/1984 | CA1177892A1 Method and arrangement for increasing the dynamic range at the input stage of a receiver in an optical fibre information transmission system |
| 11/07/1984 | EP0124406A1 Differential manual control device |
| 11/06/1984 | US4481674 Sleep switch volume control |
| 11/06/1984 | US4481462 Amplitude control system |
| 10/31/1984 | EP0123349A1 Apparatus for distinguishing between speech and certain other signals |
| 10/30/1984 | US4480337 Transistor mixer and amplifier input stage |
| 10/30/1984 | US4480335 Noise removing apparatus in an FM receiver |
| 10/30/1984 | CA1177174A1 Cascaded roms for signal processing |
| 10/25/1984 | WO1984004215A1 Stabilized microwave power amplifier system |
| 10/23/1984 | US4479255 Apparatus for acquiring and collecting radio signals coming from a plurality of stations |
| 10/23/1984 | US4479254 Noise floor automatic gain control |
| 10/23/1984 | US4479253 Phaselock receiver with input signal measuring capability |
| 10/23/1984 | US4479251 Signal processing system |
| 10/23/1984 | US4479250 Communications receiver squelch circuit |
| 10/23/1984 | US4479249 Apparatus for collecting and processing messages transmitted at different signal frequencies |
| 10/23/1984 | US4479240 Audio mixing console with control element position storage |
| 10/23/1984 | US4479239 Sound detecting device |
| 10/23/1984 | US4479237 Automatic sound level control system for audio equipment |
| 10/23/1984 | US4479233 Distortion correcting AM stereo receiver with non-flat AGC |
| 10/23/1984 | US4479153 Squelch and message storage system and method |
| 10/23/1984 | US4479066 AC/DC Current divider circuit |
| 10/23/1984 | US4479057 Automatic biasing control circuit for emissions detector |
| 10/16/1984 | US4477780 Operational amplifier with multiple switchable outputs |
| 10/16/1984 | US4477779 Dual channel gated peak detector |
| 10/16/1984 | CA1176336A1 Noise blanker which tracks average noise level |
| 10/11/1984 | WO1984004008A1 Constant bandwidth automatic gain control system |
| 10/09/1984 | US4476585 Baseband demodulator for FM signals |
| 10/09/1984 | US4476571 Automatic sound volume control device |
| 10/09/1984 | US4476439 Level shifting circuit |
| 10/09/1984 | US4476437 System for detecting abnormal condition of high frequency output signal in its power level |
| 10/09/1984 | US4476426 One-terminal type level control circuit |
| 10/02/1984 | US4475230 Hearing aid |
| 10/02/1984 | CA1175505A1 Circuit arrangement with electronically controllable transfer characteristic |
| 09/25/1984 | US4473803 Electronic volume control circuit for audio devices |
| 09/25/1984 | US4473802 Electrical signal converter with step variable gain |
| 09/25/1984 | CA1175170A1 Agc system for wide band tuner |
| 09/12/1984 | EP0118144A1 Digital dynamic range converter |
| 09/11/1984 | US4471324 All NPN variably controlled amplifier |
| 09/11/1984 | US4471317 Fast response, equalized AGC amplifier |
| 09/11/1984 | US4471311 Detector circuit having AGC function |
| 09/11/1984 | CA1174299A1 System for detecting abnormal condition of high frequency output signal in its power level |
| 09/11/1984 | CA1174175A1 Compander system circuit |
| 09/05/1984 | EP0117662A2 Microprocessor controlled AGC |
| 09/05/1984 | EP0117654A1 Multistage amplifier |
| 09/04/1984 | US4470125 Multiplier for digital video signals using a cascade of signal-selectable memories |
| 08/28/1984 | CA1173510A1 Muting circuit |
| 08/21/1984 | US4467286 Resistor ladder network |
| 08/21/1984 | CA1173110A1 Device for disconnecting the receiver in case of a small signal-to-noise ratio for a digital-modulated radio system |
| 08/14/1984 | US4466129 Noise reducing circuitry for single sideband receivers |
| 08/14/1984 | US4466120 Telephone handset amplifier circuit |
| 08/14/1984 | US4465978 Signal conditioning circuit |
| 08/14/1984 | CA1172574A1 Gain control circuit |
| 08/07/1984 | US4464723 Digital gain control system |
| 08/07/1984 | US4464633 Amplifier incorporating gain distribution control for cascaded amplifying stages |
| 08/07/1984 | US4464632 Volume control circuit |
| 08/07/1984 | CA1172320A1 Bridge audio amplifier including low level fade control |
| 08/01/1984 | EP0114319A2 Automatic gain control circuit |
| 08/01/1984 | EP0038331B1 Signal processing equipment for ultrasonic visualisation |
| 07/31/1984 | US4463320 Automatic gain control circuit |
| 07/31/1984 | CA1171921A1 Level detecting circuit |
| 07/25/1984 | EP0114066A2 Automatic gain control circuit for burst signal communication system |
| 07/24/1984 | US4462048 Circuitry for compensating defects in an audio signal |
| 07/24/1984 | US4462003 Variable gain amplifier |
| 07/24/1984 | CA1171567A1 Arrangement for the automatic control of the sound level of a telephone station |
| 07/19/1984 | WO1984002818A1 Automatic gain control circuit |
| 07/17/1984 | US4461025 Automatic background noise suppressor |
| 07/17/1984 | US4460876 Low consumption, wide-band linear amplifier operating in sliding class A |
| 07/17/1984 | CA1171144A1 Gain control circuit |
| 07/10/1984 | US4459475 Automatic calibration for D.C. transducers |
| 07/10/1984 | CA1170731A1 Variable emitter degeneration gain-controlled amplifier |
| 07/10/1984 | CA1170730A1 Television intermediate frequency amplifier with feedback stabilization |
| 07/03/1984 | US4458355 For processing an information signal |
| 07/03/1984 | US4458210 Distortion compensated cross-coupled differential amplifier circuit |
| 07/03/1984 | US4458209 For controlling the power of a transmitter amplifier |
| 06/26/1984 | US4457020 Signal processing device for use on radio links |
| 06/26/1984 | US4457014 Signal transfer and system utilizing transmission lines |
| 06/26/1984 | US4456889 Dual-gate MESFET variable gain constant output power amplifier |
| 06/26/1984 | US4456886 Control circuit for voltage controlled variable attenuator |
| 06/20/1984 | EP0111173A2 Circuit arrangement for controlling the gain of preamplifier stages |
| 06/19/1984 | US4455681 Dual threshold wide band/narrow band AGC |
| 06/19/1984 | US4455677 Multipurpose headphone assembly |
| 06/19/1984 | US4455675 Headphoning |
| 06/19/1984 | US4455664 Carrier data operated squelch |
| 06/19/1984 | US4455534 Multi-state control circuitry |
| 06/13/1984 | EP0110728A2 Automatic level control circuit |
| 06/13/1984 | EP0110368A2 Burst signal transmission system |
| 06/13/1984 | EP0110355A2 Output power control circuit for power amplifier |
| 06/12/1984 | US4454498 Adjustable attenuation member for a digital telecommunications system |
| 06/12/1984 | US4454433 Multiplier circuit |
| 05/29/1984 | US4451909 Ultrasonic wave distance detection system |
| 05/29/1984 | US4451801 Wideband linear carrier current amplifier |