Patents
Patents for H03G 11 - Limiting amplitude; Limiting rate of change of amplitude (1,563)
01/1997
01/21/1997US5596497 Control circuit for vehicle safety device
01/21/1997US5596299 IF amplifier/limiter with positive feedback
12/1996
12/31/1996US5589440 Ferroelectric RF limiter
12/24/1996US5587681 DC restoration circuit
12/19/1996WO1996041413A1 Linear-in-decibel variable gain amplifier
12/17/1996US5585330 High temperature superconductor in microstrip configuration electrically related to superconducting coupler and controlled by heater disposed over superconducting microstrip line
12/05/1996WO1996038907A2 If amplifiers/limiters
11/1996
11/26/1996US5579404 Signal processing system
11/26/1996US5578956 Circuit for limiting the maximum current value supplied to a load by a power MOS at power-up
11/26/1996CA2058482C Baseband signal processing circuit for a radio communication apparatus
11/21/1996WO1996013896A3 A gain controllable amplifier, a receiver comprising a gain-controllable amplifier, and a method of controlling signal amplitudes
11/19/1996US5576920 Electrostatic destruction preventing circuit and receiving apparatus having the same
11/13/1996EP0742642A2 Level control circuit for receiver
11/06/1996EP0740860A1 High speed overvoltage detection and protection circuit
11/05/1996US5572166 Linear-in-decibel variable gain amplifier
10/1996
10/30/1996EP0685130B1 Digital audio limiter
10/29/1996US5570055 Demodulating logarithmic amplifier
10/23/1996EP0514542B1 Feedback clamping circuit
10/16/1996EP0737381A1 A gain controllable amplifier, a receiver comprising a gain-controllable amplifier, and a method of controlling signal amplitudes
10/09/1996EP0736970A1 Amplitude adjust circuit and method thereof
10/01/1996US5561392 Logarithmic amplifier employing cascaded full-wave rectifiers including emitter-coupled pairs with unbalanced emitter degeneration as logarithmic elements
09/1996
09/25/1996EP0734119A2 Attenuating circuit using a quarter-wave line (s)
09/23/1996CA2171906A1 Attenuating circuit using a quarter-wave line(s)
09/18/1996CN1131368A Method and apparatus providing high speed video signal limited
08/1996
08/20/1996US5548650 Speaker excursion control system
07/1996
07/30/1996CA2065655C Plural time constant signal control
07/17/1996EP0722247A1 Emphasis and de-emphasis circuit
07/17/1996EP0722217A1 Threshold adjusting circuit of the signal attenuation characteristic
07/17/1996EP0307465B1 Semiconductor emulation of tube amplifiers
07/16/1996US5537071 Method and circuit for dividing an input signal into amplitude segment signals and for non-linearly processing the amplitude segment signals on the basis of the value of each amplitude segment signal
07/03/1996EP0720357A2 Method and apparatus providing high speed video signal limiting
06/1996
06/25/1996US5530767 Reception volume limiting circuit
06/19/1996EP0717558A2 Circuit for the amplitude-dependent attenuation of a television signal
06/11/1996US5525922 Automatic gain and level control circuit and method
06/04/1996US5524055 Solid state circuit for emulating tube compression effect
05/1996
05/30/1996WO1996016476A1 High speed overvoltage detection and protection circuit
05/28/1996US5521542 Logarithmic amplifier circuit using triple-tail cells
05/23/1996DE19548172A1 Low-distortion amplitude limiting for electric signals
05/14/1996US5517523 Bridge-tap equalizer method and apparatus
05/09/1996WO1996013896A2 A gain controllable amplifier, a receiver comprising a gain-controllable amplifier, and a method of controlling signal amplitudes
04/1996
04/16/1996US5509080 Bass clipping circuit
04/16/1996CA2085606C Controlling clipping in a microwave power amplifier
04/10/1996EP0706261A1 Detector cell for logarithmic amplifiers
04/09/1996US5506537 Logarithmic amplifying circuit based on the bias-offset technique
04/09/1996US5506532 Output limiter for class-D BICMOS hearing aid output amplifier
04/09/1996US5506527 Low power diode
04/03/1996CN1119801A Power amplifier with clipping level control
03/1996
03/27/1996CN1119365A Cicuit of voltage limiter
03/19/1996US5500617 Clamping circuit for adjusting a level of a transmitted signal at a predetermined voltage
03/05/1996US5497403 Feedback clamping circuit
02/1996
02/28/1996EP0698961A2 Low-loss clamp circuit
02/24/1996CA2146921A1 Low-loss clamp circuit
02/06/1996US5489868 Detector cell for logarithmic amplifiers
01/1996
01/30/1996US5488554 Low-loss clamp circuit
01/30/1996US5488330 Bias circuit for controlling bias voltage of differential amplifier
01/30/1996US5488247 MOS-type semiconductor clamping circuit
01/30/1996CA2023851C Amplifier arrangement for producing a controllable non-linear transfer characteristic useful for improving the contrast of an image
01/25/1996DE4444899C1 Amplitude-dependent attenuation system for television signals
01/17/1996EP0692869A2 Power amplifier with clipping level control
12/1995
12/26/1995US5479119 High speed active overvoltage detection and protection for overvoltage sensitive circuits
12/12/1995US5475342 Amplifier for stably maintaining a constant output
12/12/1995US5475328 Logarithmic intermediate frequency amplifier circuit operable on low voltage
12/06/1995EP0685130A1 Digital audio limiter.
11/1995
11/28/1995US5471173 Cascaded amplifier having temperature compensation
11/28/1995US5471166 Logarithmic amplifying circuit using quadritail cells
11/21/1995US5469510 Arbitration adjustment for acoustic reproduction systems
11/14/1995US5467093 Logarithmic detector
11/08/1995EP0681365A1 Electrostatic destruction preventing circuit and receiving apparatus having the same
11/08/1995CN1111416A Solid state tube compression circuit
11/07/1995US5465070 Logarithmic transformation circuitry for use in semiconductor integrated circuit devices
11/01/1995CN1111042A Multi-stage solid stage amplifier that emulates tube distortion
10/1995
10/25/1995CN1110885A Bridge-tap equalizer method and apparatus
10/17/1995US5459425 Signal processing circuit with voltage limiting function
09/1995
09/12/1995US5450081 Audio signal reproduction apparatus with frequency response dependent upon error rates
09/05/1995US5448424 AGC circuit and recording and reproducing apparatus using AGC circuit
08/1995
08/29/1995US5446463 Device with high linearity for limitation of a characteristic of a signal, and use of the device in a radar reception system
08/29/1995US5445985 Method of forming integrated limiter and amplifying devices
08/16/1995CN1106924A Logarithmic detector
07/1995
07/26/1995EP0664604A2 Transimpedance amplifier
07/26/1995EP0555239B1 Controlling clipping in a microwave power amplifier
07/25/1995US5436552 Clamping circuit for clamping a reference voltage at a predetermined level
07/19/1995EP0663720A2 Solid state tube compression circuit
07/18/1995US5434540 High efficiency power amplifier
07/18/1995US5434536 Semiconductor emulation of vacuum tubes
07/12/1995EP0662752A2 Multi-stage solid state amplifier that emulates tube distortion
06/1995
06/28/1995EP0659311A1 Bridge-tap equalizer method and apparatus
06/14/1995EP0551293B1 Voltage limiter for transistor circuits
05/1995
05/24/1995EP0654942A1 Non-linear signal processing
05/23/1995US5418411 Voltage limiter for transistor circuit
05/10/1995EP0652638A1 DC restoration circuit
05/10/1995EP0651906A1 Semiconductor-emulation of vacuum tubes
04/1995
04/30/1995CA2134530A1 Dc restoration circuit
04/18/1995US5408204 Reflecting input signal exceeding a predetermined amplitude threshold
04/11/1995US5406227 Method and apparatus for controlling RF spectral splatter into adjacent channels when activating an RF transmitter
04/05/1995EP0647019A1 Circuit for limiting the maximum current value supplied to a load by a power MOS
03/1995
03/23/1995DE4430350A1 Semiconductor clamp circuit of the MOS type
03/07/1995US5396562 Signal processing circuit for audio apparatus
03/01/1995EP0641071A1 Logarithmic detector
02/1995
02/22/1995EP0639894A1 Circuit for limiting the maximum current supplied to a load by a power transistor
02/14/1995US5390053 Circuit for controlling the overall upper cutoff frequency of an amplifier stage
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