Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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01/12/1994 | EP0578008A1 Vehicular radio receiver with speed compensated tone control |
01/12/1994 | CN1080742A Reference voltage generator with cmos transistor |
01/11/1994 | US5278997 Dynamically biased amplifier |
01/11/1994 | US5278994 Power amplifier saturation detection and correction method and apparatus |
01/11/1994 | US5278700 Differentiating amplifier responsive to track locations and variations of element values from desired values |
01/11/1994 | US5278519 Method and apparatus for controlling RF spectral splatter into adjacent channels when activating an RF transmitter |
01/11/1994 | US5278518 Amplifying circuit with exponential gain control |
01/11/1994 | US5278517 FET amplifier with gate voltage control |
01/11/1994 | CA2030355C Automatic gain control |
01/05/1994 | EP0576770A1 Audio Amplifier turn-off control circuit |
01/04/1994 | US5276921 Transmitter with nonlinearity correction circuit |
01/04/1994 | US5276685 Digital automatic gain control |
01/04/1994 | US5276562 Emphasis apparatus disposed in either a record or playback system having triple weight coefficient generating devices |
12/29/1993 | EP0576110A2 Device for linking acoustic signals |
12/29/1993 | CN1023367C Controlled slew rate amplifier |
12/28/1993 | US5274710 Pedal volume control for electric instruments |
12/23/1993 | WO1993026094A1 Receiver automatic gain control |
12/23/1993 | WO1993026090A1 Controlled-gain transistor amplifier without dc shift or signal phase reversal in load current |
12/22/1993 | EP0574891A1 Method and device for amplifying |
12/22/1993 | EP0326566B1 Adaptive correction of dc error transients |
12/22/1993 | CN1079851A Controlled-gain Transistor amplifier without D-C shift or signal phase reversal in load current |
12/15/1993 | EP0574117A1 Discriminating and suppressing incoming signal noise |
12/14/1993 | US5271063 Controls for a vehicle audio/video apparatus |
12/08/1993 | EP0573240A2 Reference voltage generator |
12/08/1993 | EP0573192A1 Method and apparatus for muting switching noise while switching between CODECS |
12/08/1993 | EP0573072A2 Power control device for controlling the output level in digitally modulated radio signals |
12/08/1993 | EP0572755A1 Turn-on control circuit for electric devices |
12/07/1993 | US5268964 Adjusting the level of an audio signal |
12/07/1993 | CA2000434C Integrated compression amplifier having programmable threshold voltage |
12/01/1993 | EP0571790A1 Television receiver with a gain control actuated by a microcomputer |
12/01/1993 | EP0571747A2 Circuit arrangement for an optical receiver |
12/01/1993 | EP0571512A1 Gain linearity correction circuit for mos circuits |
11/30/1993 | US5267322 Digital automatic gain control with lookahead, adaptive noise floor sensing, and decay boost initialization |
11/30/1993 | US5267272 Receiver automatic gain control (AGC) |
11/30/1993 | US5267071 Signal level control circuitry for a fiber communications system |
11/25/1993 | DE4236473C1 HF TV amplifier compensation circuit - has number of parallel amplifiers controlled by averaged HF signal to provide independent control signal |
11/24/1993 | EP0571079A1 Discriminating and suppressing incoming signal noise |
11/24/1993 | EP0571078A1 Apparatus and method for attenuating received noise signals |
11/24/1993 | EP0570897A2 Device for delivering an attenuator control signal |
11/24/1993 | EP0570655A1 Audio amplifier on-off control circuit |
11/24/1993 | CN1078837A Automatic adjusting circuit of analog controlling unit |
11/24/1993 | CN1078831A Parallel transient floating point amplifier |
11/18/1993 | EP0569688A1 Method and apparatus for fading compensation for TDMA-receivers |
11/18/1993 | EP0569504A1 Intermodulation compensation in a receiver |
11/16/1993 | US5263190 Vehicular radio receiver having muting circuitry for suppressing noises caused by receiver data pulses |
11/16/1993 | US5263187 Automatic gain control circuit |
11/16/1993 | US5263186 Control loop for reducing the time of repsonse of a tuner-AGC of a superheterodyne receiver and relative leading edge differentiating circuit used in the control loop |
11/16/1993 | US5263184 Noise reducing circuit for a receiver using a fuzzy controller |
11/16/1993 | US5263092 Digital volume control circuit |
11/16/1993 | US5261407 Ultrasonic doppler blood-flow meter |
11/16/1993 | CA2017904C High frequency amplifier circuit capable of optimizing a total power consumption |
11/11/1993 | WO1993019466A3 Computer disk drive integrated data path circuit optimized for handling both data and servo signals |
11/10/1993 | EP0568880A1 Preamplifier for optical communication having a gain control circuit |
11/09/1993 | US5261119 Signal level measuring system for a radio receiver |
11/09/1993 | US5260792 AGC circuit with 60 hertz hum compensation |
11/03/1993 | EP0567546A1 Amplitude control of a burst signal in a receiver |
11/03/1993 | EP0348396B1 Radio receiver speech amplifier circuit |
11/02/1993 | US5259001 ADPCM decoder with an integral digital receive gain and method therefor |
11/02/1993 | CA2020870C Radio telecommunication apparatus |
10/30/1993 | CA2067538A1 Automatic volume control system |
10/27/1993 | EP0567343A2 Automatic adjustment circuit for analog control unit |
10/26/1993 | US5257415 Automatic transmission level control device |
10/26/1993 | US5256987 Power amplifier device having a plurality of power amplifier units connected in parallel |
10/26/1993 | US5256983 Wide band amplifier |
10/26/1993 | CA1323659C Agc delay on an integrated circuit |
10/20/1993 | EP0566406A1 Power detection technique for automatic amplifier power control |
10/19/1993 | US5255323 Digital signal processing device and audio apparatus using the same |
10/19/1993 | US5255094 Muting circuit for eliminating transient signals generated due to power supply turn-on and turn-off |
10/14/1993 | WO1993020622A1 Squelch detector |
10/13/1993 | EP0565256A1 Multipath noise minimiser for radio receiver |
10/13/1993 | EP0565255A1 Multipath detector using phase comparison of stereo pilot signal |
10/12/1993 | US5252929 RF power amplifier |
10/06/1993 | EP0563421A1 Circuit arrangement with a switch amplifier |
10/06/1993 | EP0563125A1 Dynamically biased amplifier |
10/06/1993 | CN1022364C Dynamic offset amplifier |
10/05/1993 | US5251331 High efficiency dual mode power amplifier apparatus |
10/05/1993 | US5251216 Receiver gain control for radio telephone system |
10/01/1993 | CA2092882A1 Circuit arrangement having a switching amplifier |
09/30/1993 | WO1993019539A1 Optical receiver |
09/30/1993 | WO1993019525A1 Visual dynamics management for audio instrument |
09/30/1993 | WO1993019466A2 Computer disk drive integrated data path circuit optimized for handling both data and servo signals |
09/30/1993 | CA2128894A1 Optical receiver |
09/29/1993 | EP0562963A1 AGC device in a receiver for data signals |
09/29/1993 | EP0562962A1 Device for processing signals transmitted as data packets |
09/29/1993 | EP0562961A1 Method of automatic gain control of a superheterodyne receiver and receiver using such a method |
09/29/1993 | EP0562414A1 Sound intermediate frequency amplifier for a broadcast receiver |
09/28/1993 | US5249233 Multipath noise minimizer for radio receiver |
09/28/1993 | US5248871 Automatic gain control circuit |
09/28/1993 | CA2092789A1 Processing device for packet transmitted signals |
09/28/1993 | CA2092788A1 Improved automatic gain control method for a radio signal superheterodyne receiver and receiver using said method |
09/22/1993 | EP0561754A1 An arrangement for eliminating offset errors in a power control circuit of a pulsed transmitter final amplifier |
09/22/1993 | CN1076567A High efficiency dual mode power amplifier apparatus |
09/21/1993 | US5247542 QPSK power amplifier distortion correction system |
09/16/1993 | DE4207747A1 Harmonic distortion for electric guitars - using phase splitting and separate distortion of each half-wave before summation and output |
09/15/1993 | EP0560548A1 Power control circuit |
09/15/1993 | EP0560056A1 Gain control circuit and gradation correcting apparatus |
09/15/1993 | EP0559840A1 High dynamic range closed loop automatic gain control circuit |
09/14/1993 | WO1993018583A1 High efficiency dual mode power amplifier apparatus |
09/14/1993 | US5245666 Personal subliminal messaging system |
09/14/1993 | US5245436 Method and apparatus for detecting fades in digital video sequences |