| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
|---|
| 11/08/1983 | US4414501 Programmable signal amplitude control circuits |
| 11/08/1983 | CA1156762A1 Apparatus for the detection of voice signals |
| 11/08/1983 | CA1156723A1 High speed squelch circuit |
| 11/01/1983 | US4413260 Remote-control system for coin-operated phonographs |
| 11/01/1983 | US4413235 Low temperature coefficient logarithmic electronic gain controlled amplifier |
| 11/01/1983 | CA1156320A1 Amplifier protection circuit |
| 10/26/1983 | EP0091996A1 An electric circuit for detecting the maximum value of a plurality of input currents and a signal processing circuit employing it. |
| 10/25/1983 | US4412183 AC Resistor attenuator and associated amplifier circuits |
| 10/25/1983 | US4412182 Apparatus for controlling an operational characteristic of a controlled device in accordance with the position of a movable member |
| 10/25/1983 | CA1155927A1 Balanced modulator |
| 10/25/1983 | CA1155924A1 Electrically variable impedance circuit with feedback compensationn |
| 10/18/1983 | US4411021 Automatic threshold squelch |
| 10/18/1983 | US4411019 AGC System for television receivers |
| 10/18/1983 | US4410764 Speech processor for processing analog signals |
| 10/12/1983 | EP0091160A1 Circuit for amplifying and/or attenuating a signal |
| 10/11/1983 | US4409682 Digital editing system for audio programs |
| 10/11/1983 | US4408492 Signal processing equipment for ultrasonic visualization |
| 10/05/1983 | EP0090462A2 Demodulator circuit |
| 10/04/1983 | US4408229 Noise sensitivity reduction apparatus for a TV receiver AGC system |
| 10/04/1983 | US4408096 Sound or voice responsive timepiece |
| 09/27/1983 | US4406989 Automatic level control circuit |
| 09/27/1983 | US4406923 Automatic loudness controller |
| 09/20/1983 | US4406019 Selectivity means in amplitude modulated radio receivers |
| 09/20/1983 | US4405903 Variolosser for an automatic gain control circuit |
| 09/20/1983 | US4405832 Circuit for distorting an audio signal |
| 09/20/1983 | US4405831 Apparatus for selective noise suppression for hearing aids |
| 09/15/1983 | WO1983003177A1 Gain regulation circuit |
| 09/13/1983 | US4404527 Bridge audio amplifier including low level fade control |
| 09/13/1983 | US4404429 Matching volume control characteristics for two channels |
| 09/13/1983 | US4404427 Audio signal processing system |
| 09/13/1983 | CA1153701A1 Audio signal processing system |
| 09/07/1983 | EP0087602A2 Variable gain control circuit |
| 09/06/1983 | US4403349 Intermediate frequency detection circuit |
| 09/06/1983 | US4403348 Single sideband receiver with intersyllabic gain correction limit control |
| 09/06/1983 | US4403347 Antenna tuning circuit for AM radio receiver |
| 09/06/1983 | US4403346 AGC System for wide band tuner |
| 09/06/1983 | US4403345 Device for detecting the tuning frequency of a frequency modulation radio receiver |
| 09/06/1983 | US4403262 Audio signal muting circuit for magnetic recording and reproducing apparatus |
| 09/06/1983 | US4403255 FM/TV Automatic gain control system |
| 09/06/1983 | US4403199 Gain control systems |
| 08/31/1983 | EP0087175A1 Circuit for electronically controlling amplification |
| 08/31/1983 | EP0086853A1 Circuit for interference rejection |
| 08/30/1983 | CA1153076A1 Resonator coupled differential amplifier |
| 08/24/1983 | EP0086514A1 High speed automatic gain control circuit |
| 08/18/1983 | WO1983002862A1 A method and a device for the damping of transients |
| 08/16/1983 | US4399416 Floating point amplifier |
| 08/09/1983 | US4398261 Device for measuring the level of a variable signal with logarithmic conversion |
| 08/09/1983 | US4398061 Audio processing apparatus and method |
| 08/09/1983 | US4398060 Muting circuit for an FM radio receiver |
| 08/09/1983 | CA1151738A1 Circuit for converting single-ended input signals to a pair of differential output signals |
| 08/03/1983 | EP0084876A2 Demodulator arrangement for signals which are frequency-modulated on a carrier wave |
| 08/02/1983 | US4396955 Muting device |
| 08/02/1983 | US4396890 Variable gain amplifier |
| 08/02/1983 | US4396879 Coupled series and parallel resonant circuit, in particular for electric fence apparatus |
| 08/02/1983 | US4396806 Hearing aid amplifier |
| 07/26/1983 | US4395600 Auditory subliminal message system and method |
| 07/26/1983 | CA1150842A1 Slide-back waveform analyzer |
| 07/12/1983 | US4393513 Input signal level control device for receiver |
| 07/12/1983 | US4393354 Crossover circuit for use in automatic gain control systems |
| 07/12/1983 | CA1149890A1 Self-adjusting dual mode automatic gain control circuit |
| 07/05/1983 | US4392245 Radio transmitter having an output power control circuit |
| 07/05/1983 | US4392233 Method of filtering electromagnetic waves and dual channel audio code filter therefor |
| 07/05/1983 | US4392164 Method of and apparatus for controlling the gain of circuitry responsive to read head of a memory |
| 07/05/1983 | CA1149474A1 Circuit converting a pair of differential input signals to single-ended output signals |
| 06/29/1983 | EP0082381A1 Electronic amplifier |
| 06/29/1983 | EP0082380A1 Electronic amplifier with variable voltage-controlled gain, in particular an expander |
| 06/28/1983 | US4390847 Muting device |
| 06/28/1983 | US4390834 Digital volume control |
| 06/28/1983 | CA1149028A1 Variable-gain differential amplifier |
| 06/28/1983 | CA1149027A1 Circuit arrangement for eliminating turn-on and turn-off clicks in an amplifier |
| 06/15/1983 | EP0081062A2 Apparatus for reproducing audio signals with automatic control of the maximum output volume |
| 06/14/1983 | US4388731 Receiver with squelch for offset carrier environment |
| 06/14/1983 | US4388730 Noise detector and data signal receiver for a frequency modulation system |
| 06/14/1983 | US4388540 Controllable multiplier circuit with expanded gain control range |
| 06/07/1983 | US4387470 Receiver input stage with an improvement of the signal to noise ratio |
| 06/07/1983 | CA1147819A1 Gain control systems |
| 05/31/1983 | US4386236 Automatic sound level control of telephone station |
| 05/31/1983 | CA1147267A1 Gain control circuit for noise reduction system |
| 05/26/1983 | WO1983001875A1 Data muting method and apparatus for radio communications systems |
| 05/25/1983 | EP0079825A2 Improved selectivity means in amplitude modulated radio receivers |
| 05/24/1983 | US4385400 Automatic gain control arrangement useful in an FM radio receiver |
| 05/24/1983 | US4385398 Selective call communication receiver |
| 05/24/1983 | US4385244 Extraneous signal separating device |
| 05/24/1983 | US4385204 Single button control |
| 05/24/1983 | CA1147062A1 Digital gain control apparatus |
| 05/17/1983 | US4384260 Device for switching on and off and adjusting the volume of communications equipment, such as transceivers |
| 05/11/1983 | EP0019630B1 Intermediate frequency sensing circuit |
| 05/10/1983 | US4383136 Muting circuit for AM stereophonic receiver |
| 05/04/1983 | EP0078130A2 Automatic loudness controller |
| 05/04/1983 | EP0077979A1 Method and circuit for the compensation of induced interference voltages |
| 04/27/1983 | EP0077648A2 Circuits for regulating the output voltage of a device, for instance a photocell |
| 04/26/1983 | US4381488 Dynamic volume expander varying as a function of ambient noise level |
| 04/26/1983 | US4381487 Resonator coupled differential amplifier |
| 04/26/1983 | US4381447 Method and apparatus for evaluating and sorting sheets in a high speed manner |
| 04/26/1983 | CA1145421A1 Gain controlled amplifier and pin diode for use therein |
| 04/26/1983 | CA1145403A1 Noise blanking circuitry in a radio receiver |
| 04/20/1983 | EP0077266A1 Switched capacitor automatic gain control loop |
| 04/20/1983 | EP0077248A1 Device for the reduction of the number of false alarms and receiver comprising such a device |
| 04/19/1983 | US4380824 Receiving reproducing system |
| 04/19/1983 | US4380816 Apparatus for recycling complete cycles of a stored periodic signal |