| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 05/01/1992 | WO1992008283A1 Controlled slew rate amplifier |
| 05/01/1992 | WO1992008282A1 Controlling clipping in a microwave power amplifier |
| 04/30/1992 | DE4122195A1 Vol. control for audio system - has input signal level adjuster, generating changed signal for operational amplifier |
| 04/30/1992 | DE4033859A1 Active additional loudspeaker system - has FM noise suppression, for which power supply is derived directly from signal supplied to radio loudspeaker without additional provision |
| 04/29/1992 | EP0482927A2 Digital radio receiver |
| 04/29/1992 | EP0482315A2 Device for audible signalling of the activated controlled function in an audio device |
| 04/29/1992 | EP0482290A2 Circuit for muting noises for an audio amplifier |
| 04/29/1992 | EP0482288A1 Electronic volume controller |
| 04/28/1992 | US5109538 Circuitry for widening the effective range of a transmitter |
| 04/22/1992 | EP0481807A2 Transmitter with nonlinearity correction circuit |
| 04/22/1992 | EP0481741A2 High frequency power amplifier circuit and mobile radio communication apparatus using the same |
| 04/22/1992 | EP0481529A2 Hearing aid circuit |
| 04/22/1992 | EP0481528A2 Hearing aid circuit |
| 04/22/1992 | EP0481524A2 Output level control circuit for use in RF power amplifier |
| 04/22/1992 | CN1060567A Muting circuit |
| 04/21/1992 | US5107539 Automatic sound volume controller |
| 04/21/1992 | US5107487 Power control of a direct sequence CDMA radio |
| 04/21/1992 | US5107480 Device for reading digital information recorded on an information carrier, and peak detector and information carrier for such a device |
| 04/21/1992 | US5107225 High dynamic range closed loop automatic gain control circuit |
| 04/21/1992 | US5107140 Anticipatory automatic gain control circuit |
| 04/21/1992 | CA1299248C Frequency converter |
| 04/16/1992 | WO1992007424A1 Linear gain control amplifier |
| 04/15/1992 | EP0480558A2 Output level controlling apparatus |
| 04/15/1992 | EP0480423A1 Integrated circuit and gate array |
| 04/15/1992 | EP0256099B1 A method for automatic gain control of a signal |
| 04/14/1992 | US5105315 Error compensation using an inserted reference waveform |
| 04/14/1992 | CA1298924C Circuit that incorporates passive and active components |
| 04/08/1992 | EP0479456A2 Automatically configured audio system |
| 04/08/1992 | EP0479015A2 Gain control device for hearing aid |
| 04/07/1992 | US5103315 Stereo audio mute circuit |
| 04/02/1992 | WO1992005631A1 Method and arrangement for automatic gain control of a radio-frequency power amplifier |
| 04/02/1992 | WO1992005630A1 Method and arrangement for supervising the condition of a radio-frequency amplifier |
| 04/01/1992 | EP0477175A1 Direct conversion receiver for digital signals and method for demodulation of said signals. |
| 03/31/1992 | US5101176 Burst control circuit for use in tdma communications system |
| 03/31/1992 | US5101175 Power control method for a voltage controlled power amplifier and circuitry used in the method |
| 03/31/1992 | US5101173 Stored program controlled module amplifier bias and amplitude/phase compensation apparatus |
| 03/31/1992 | US5101170 High-efficiency audio amplifier |
| 03/31/1992 | CA1298360C Microprocessor-controlled amplifier |
| 03/31/1992 | CA1298352C Noise reduction apparatus |
| 03/25/1992 | WO1992005638A1 Variable speaker muting based on received data |
| 03/25/1992 | EP0476302A1 Method and device for automatic gain control of amplifier, and application for the gain control of a tuner, particularly for videocommunication networks |
| 03/24/1992 | US5099204 Linear gain control amplifier |
| 03/19/1992 | WO1992004772A1 Audio-visual reproduction |
| 03/18/1992 | EP0475521A1 Arrangement for demodulating an FM modulated signal |
| 03/18/1992 | EP0475188A1 Method and apparatus for noise reduction in FM or PM receivers |
| 03/17/1992 | US5097197 Signal level attenuating device |
| 03/17/1992 | CA1297576C Ultrasonic transducer and current loop transmitter |
| 03/12/1992 | DE4129334A1 Precision MOSFET resistance circuit - uses pair of drain- and source-coupledMOSFET(s) and associated source followers |
| 03/12/1992 | CA2091590A1 Audio-visual reproduction |
| 03/11/1992 | EP0426792A4 Digital signal processor based agc |
| 03/10/1992 | US5095542 Apparatus for controlling transmission output level for burst signal |
| 03/10/1992 | US5095533 Automatic gain control system for a direct conversion receiver |
| 03/10/1992 | CA1297185C Hearing aid circuit |
| 03/07/1992 | WO1992004771A1 Power amplifier |
| 03/05/1992 | WO1992003874A1 Variable-gain amplifier controlled by an analog signal and having a large dynamic range |
| 03/05/1992 | DE4026963A1 Protection circuit for car radio - has switch contact controlled by timer between on-board supply line and radio voltage line |
| 03/04/1992 | EP0473370A1 Gain control circuit |
| 03/04/1992 | EP0473299A2 Solid state power amplifier with dynamically adjusted operating point |
| 03/04/1992 | EP0473166A1 Amplifying circuit |
| 03/04/1992 | EP0472621A1 Method and apparatus for reducing intermodulation distortion |
| 03/04/1992 | CN1059246A Fixed rf agc of television tuner for fm reception in television receiver |
| 03/03/1992 | US5093658 Communication device capable of ambient sound level controlled transmissions |
| 03/03/1992 | US5093631 Gain-controlled broadband amplifier stage |
| 02/26/1992 | EP0472330A2 Transmission output control circuit |
| 02/25/1992 | WO1992003892A1 Dual mode automatic gain control |
| 02/25/1992 | CA1296396C Error amplifier for use with parallel operated autonomous current or voltage regulators using transconductance type power amplifiers |
| 02/12/1992 | EP0470504A2 Fixed RF AGC of a television tuner for FM reception in a television receiver |
| 02/11/1992 | US5087893 RF driven gate bias |
| 02/06/1992 | DE4024695A1 Radio or television advertisement blocking device - detects beginning and end of advertisement to control on-off or station switching |
| 02/05/1992 | EP0469101A1 Power amplifier |
| 02/05/1992 | EP0252089B1 A method of calibrating and equalizing a multi-chanel automatic gain control amplifier |
| 02/05/1992 | EP0248033B1 Multi-level power amplifying circuitry for portable radio transceivers |
| 02/04/1992 | US5086437 Agc device for producing a gain controlled and d.c. offset removed signal |
| 02/04/1992 | US5086281 Optical control circuit for a microwave monolithic integrated circuit |
| 02/04/1992 | CA1295380C Amplifier with modulated resistor gain control |
| 01/29/1992 | EP0468507A1 Automatic power control apparatus |
| 01/28/1992 | CA1294892C Variolosser |
| 01/21/1992 | US5083304 Automatic gain control apparatus and method |
| 01/21/1992 | US5083096 High frequency amplifier circuit capable of optimizing a total power consumption |
| 01/15/1992 | EP0465484A1 Radio with message reception indicator |
| 01/14/1992 | US5081713 Radio transmitter capable of compensating for a frequency characteristic of an antenna and/or a coupling circuit |
| 01/14/1992 | US5081708 Integrated circuit for generating a temperature independent, dynamically compressed voltage function of the value of an external regulation resistance |
| 01/14/1992 | US5081707 Knowledge based radio |
| 01/14/1992 | US5081682 On-vehicle automatic loudness control apparatus |
| 01/14/1992 | US5081653 Automatic gain control circuit for multilevel duobinary AM/PSK modulated signals |
| 01/08/1992 | EP0464792A2 AGC circuit of FM front-end portion |
| 01/08/1992 | EP0464670A2 Sensitivity switching circuit for radio receiver |
| 01/08/1992 | EP0464669A2 AGC circuit for radio receiver |
| 01/08/1992 | EP0464273A1 Electro-acoustic device |
| 01/07/1992 | CA1293996C Amplification of optical signals optical control tone |
| 01/02/1992 | EP0463710A2 Signal attenuator |
| 01/02/1992 | EP0463586A2 Automatic gain control circuit |
| 01/02/1992 | EP0463472A1 Electronic muting circuit for electroacoustic systems or public address systems |
| 01/01/1992 | CN1057557A Method for regulating power in digital mobile telephony system |
| 12/31/1991 | US5077799 Automatic volume control circuit |
| 12/31/1991 | US5077783 Method of simplifying the tuning of a radio telephone |
| 12/31/1991 | US5077541 Variable-gain amplifier controlled by an analog signal and having a large dynamic range |
| 12/27/1991 | EP0462952A1 A method for regulating power in a digital mobile telephony system |
| 12/27/1991 | EP0462773A2 Burst control circuit for use in TDMA communications system |
| 12/12/1991 | WO1991019356A1 Method of preventing suppression of sensitivity of a receiver and method of preventing radio interference |