Patents
Patents for H03G 11 - Limiting amplitude; Limiting rate of change of amplitude (1,563)
12/1983
12/08/1983WO1983004354A1 Meter drive circuit
12/08/1983WO1983004351A1 Current limiter and method for limiting current
12/07/1983EP0095774A2 A switching circuit operable as an amplifier and a muting circuit
12/06/1983CA1158171A1 Circuit for noise reduction particularly useful with signal recording/reproducing apparatus
11/1983
11/29/1983US4418317 Logarithmic amplifier utilizing positive feedback
10/1983
10/18/1983US4411021 Automatic threshold squelch
10/18/1983US4410859 Signal amplifier circuit arrangement with output current limiting function
10/18/1983US4410764 Speech processor for processing analog signals
09/1983
09/27/1983US4406989 Automatic level control circuit
09/20/1983US4405832 Circuit for distorting an audio signal
09/15/1983WO1983003177A1 Gain regulation circuit
09/15/1983WO1983003176A1 Waveform clipping circuits
08/1983
08/31/1983EP0087175A1 Circuit for electronically controlling amplification
08/31/1983EP0086853A1 Circuit for interference rejection
08/09/1983US4398060 Muting circuit for an FM radio receiver
08/02/1983US4396893 Frequency selective limiter
08/02/1983US4396879 Coupled series and parallel resonant circuit, in particular for electric fence apparatus
07/1983
07/26/1983CA1150638A1 Gain control circuit for noise reduction system
07/07/1983WO1983002371A1 Non-linear amplifier systems
06/1983
06/14/1983US4388540 Controllable multiplier circuit with expanded gain control range
05/1983
05/31/1983CA1147267A1 Gain control circuit for noise reduction system
05/17/1983CA1146626A1 Voltage clamping circuit
05/10/1983US4383229 Resonant filter clipper circuit
05/04/1983EP0078156A2 Methods of calibrating linearizing circuits
05/03/1983US4382198 Amplitude limiter circuit
03/1983
03/29/1983CA1143828A1 Signal processing circuit having a non-linear transfer function
02/1983
02/01/1983US4371851 Receiver protector with multi-level STC attenuation
02/01/1983US4371749 Circuit for processing angle modulated broadcast signals
01/1983
01/25/1983US4370681 Gain control circuit for noise reduction system
01/19/1983EP0069843A1 LF amplifier for a television receiver
01/18/1983US4369509 Gain control circuit for noise reduction system
01/11/1983CA1139433A1 Video signal recording and/or reproducing apparatus
12/1982
12/21/1982CA1138097A1 Non-linear processing of video image vertical detail information
12/08/1982EP0066401A1 Non-linear amplifiers utilizing positive feedback
11/1982
11/30/1982US4361819 Passive semiconductor power limiter formed on flat structure lines, and an ultra-high frequency circuit using such a limiter
11/16/1982CA1135804A1 Low-noise preamplifier
11/02/1982US4357583 Passive electromagnetic wave limiter and duplexer formed by means of such a limiter
10/1982
10/26/1982US4356449 Logarithmic attenuating circuit
10/05/1982US4353035 Circuit for compression or expansion of an electrical signal
09/1982
09/21/1982US4350959 Feedback signal amplifier
08/1982
08/10/1982US4344047 Millimeter-wave power limiter
08/04/1982EP0057117A2 Luminance signal limiting device
07/1982
07/27/1982US4342010 Dielectric waveguide power limiter
05/1982
05/04/1982CA1123087A1 Compression amplifier with a derivative circuit to reduce the overall amplitude variation of ultrasonic echo signals
04/1982
04/27/1982US4327431 Video disc player with variable offset RFI reduction circuit
04/20/1982US4326223 Video signal recording and/or reproducing apparatus with gain control
03/1982
03/09/1982US4319197 ECG Amplifier overload control
02/1982
02/02/1982US4314207 Transistor amplifier
02/02/1982US4314167 Voltage clamping circuit
01/1982
01/19/1982US4311369 Sound motion picture camera
01/05/1982CA1115641A1 System for reducing noise transients
12/1981
12/15/1981US4306114 Automatic audio mixing selector device
12/08/1981CA1113866A1 Peak-limiting apparatus for audio signal
11/1981
11/24/1981CA1113159A1 Electric circuit device and pendulum unit incorporating such devices
09/1981
09/15/1981US4289140 Signal processing system
09/01/1981US4286492 Control for electronic amplifiers
07/1981
07/07/1981US4277695 Amplifier having dead zone of controllable width and position
06/1981
06/02/1981US4271535 Noise eliminating system
05/1981
05/19/1981US4268796 Linear amplifier with distortion correction
05/19/1981US4268789 Limiter circuit
05/19/1981US4268760 Amplitude-limiter
05/12/1981CA1101052A1 Arcing stacked plate nonlinear resistor for voltage limiter applications such as series capacitor protection
05/05/1981US4266202 Receiver protector having means for suppressing internally generated noise signal frequencies
05/05/1981US4266094 Electronic speech processing system
04/1981
04/21/1981US4263565 Amplitude limiter with automatic duty cycle control for use in a phase-locked loop
03/1981
03/17/1981US4256975 Limiter circuit for removing nose from demodulated signals
03/10/1981US4255769 Low-noise preamplifier
02/1981
02/17/1981US4251786 Stepped-rod ferrite microwave limiter having wide dynamic range and optimal frequency selectivity
02/11/1981EP0023873A1 Passive power limiter using semiconductors realised in a striplike configuration, and microwave circuit using such a limiter
01/1981
01/13/1981US4245238 Non-linear processing of video image vertical detail information
12/1980
12/23/1980US4241266 Peak-limiting apparatus for audio signal
12/11/1980WO1980002781A1 Device for the protection of an amplifier against reactive currents,harmful disturbing currents or the like at the output of the amplifier
12/10/1980EP0020235A1 Passive limiter for electromagnetic waves and duplexer realized with the aid of such a limiter
12/09/1980US4238736 Peak limiting by half waves
11/1980
11/18/1980US4234802 Current limiter
11/11/1980US4233566 Distortion free power limiting and clipping prevention circuit
11/04/1980US4232278 High power microwave integrated circuit receiver protector with integral sensitivity time control
11/04/1980US4232268 SECAM Chroma demodulator circuit
10/1980
10/14/1980US4228368 Polarity correcting circuit
10/14/1980US4228366 Integrator circuit with limiter
10/14/1980CA1087696A1 Signal amplifier apparatus with fail-safe limited gain
09/1980
09/23/1980US4224573 Electric circuit device and pendulum unit incorporating such devices
09/23/1980US4224470 Headset with limiter circuit
09/23/1980CA1086417A1 Automatic threshold means and the use thereof
09/16/1980CA1085742A1 Ear pads with earphones
08/1980
08/19/1980US4218663 Waveguide power limiter
08/19/1980US4218662 Circuit arrangement for optional dynamic compression or expansion
08/12/1980US4217503 Current limiter
08/12/1980CA1083705A1 Amplitude limiting circuit for frequency modulated video signals
06/1980
06/17/1980US4208548 Apparatus and method for peak-limiting audio frequency signals
06/10/1980US4207527 Pre-processing apparatus for FM stereo overshoot elimination
06/10/1980US4207526 Pre-processing apparatus for FM stereo overshoot elimination
05/1980
05/20/1980US4204170 Impulse noise limiter circuit
05/06/1980US4202013 Line time base in television receiver
04/1980
04/15/1980US4198602 Limiter circuit for limiting pulsive noises
04/08/1980US4197505 Limiter circuit
03/1980
03/18/1980US4194200 Combined receiver protector, AGC attenuator and sensitivity time control device
03/11/1980US4193047 Frequency selective ferrimagnetic power limiter
01/1980
01/22/1980CA1070391A1 Automatic noise limiter
01/15/1980CA1069987A1 High voltage a.c. to low voltage d.c. switching interface circuit
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