Patents
Patents for H03G 11 - Limiting amplitude; Limiting rate of change of amplitude (1,563)
02/1995
02/14/1995US5389829 Output limiter for class-D BICMOS hearing aid output amplifier
02/01/1995EP0636288A1 Demodulating logarithmic amplifier
01/1995
01/25/1995EP0635937A1 Circuit for controlling the overall upper cutoff frequency of an amplifier stage
01/25/1995EP0487585B1 Video filter
01/17/1995US5383080 Semiconductor integrated circuit having voltage limiter circuit
01/17/1995US5382849 Circuit configuration for signal limitation and field intensity detection
01/11/1995EP0633657A2 Cascaded amplifier
01/10/1995US5381106 Clipper circuitry suitable for signals with fractional-volt amplitudes
01/04/1995EP0632587A2 Distortion-free limiter for a power amplifier
01/03/1995US5378996 RF power amplifier control
12/1994
12/28/1994EP0631383A2 Acoustic reproduction systems
12/22/1994WO1994029955A1 Bridge-tap equalizer method and apparatus
12/22/1994CA2140359A1 Bridge-tap equalizer method and apparatus
10/1994
10/26/1994EP0621686A2 Amplifier
10/18/1994US5357209 Limiting amplifier
10/18/1994US5357156 Active clamp circuit scheme for CMOS devices
10/06/1994DE4316810C1 Filter arrangement for sensors, actuators and a control unit, which are connected via a line system
09/1994
09/27/1994US5350956 Deviation limiting transmission circuit
09/21/1994EP0616425A1 Audio amplifier arrangement
09/07/1994EP0613598A1 Technique for correcting non-linearity in a photodetector
09/06/1994US5345199 Non-reflective limiter
09/06/1994US5345185 Logarithmic amplifier gain stage
09/01/1994WO1994019883A1 Digital audio limiter
09/01/1994CA2154883A1 Digital audio limiter
08/1994
08/31/1994EP0613244A1 Circuit with high linearity of limitation of a characteristic of a signal and the use of the circuit in a radar-receiver
08/24/1994CA2116058A1 Highly linear device for limiting the characteristics of a signal and use of said device in a radar reception link
08/23/1994US5341114 Integrated limiter and amplifying devices
08/09/1994US5337019 Integrated circuit arrangement
08/03/1994EP0609018A1 Apparatus for measuring optical power in an optical receiver or the like
08/02/1994US5335068 Gamma compensating circuit method and apparatus of a color TV camera
07/1994
07/27/1994EP0607789A1 Circuit for generating an output signal exponentially depending on the input signal
07/12/1994US5329261 Ferroelectric RF limiter
07/12/1994US5329191 Integrated dynamic amplitude limiter independent of the supply voltage
07/06/1994CN1025399C Amplifier for limiter
07/05/1994US5327101 Distortion-free limiter for a power amplifier
06/1994
06/22/1994EP0602279A1 Limiting amplifier for PSK receiver
06/21/1994US5323126 Self-initializing circuit link
06/08/1994EP0600252A1 RF power amplifier control
06/07/1994US5319264 Logarithmic amplifying circuit
06/01/1994EP0599399A1 An apparatus with RSSI and an electronic circuit including a logarithmic detector
05/1994
05/11/1994WO1994010751A1 Clipper circuitry
05/05/1994DE4336883A1 Integrated circuit output driver for suppressing noise generation, e.g. in DRAM - has current increase rate controller responding to voltage at predefined node in semiconductor substrate
05/04/1994CN1086359A Cipper circuitry
04/1994
04/27/1994EP0594352A2 Circuitry for minimizing peak power in an amplifier carrying a plurality of signals of differing frequencies
04/19/1994US5304873 Log compressing circuit providing capability of keeping clamp level independent of variety of amplification factor
04/13/1994EP0591842A1 Method and apparatus for concealing bit errors and interpolations in digital sound signals
04/06/1994EP0590903A1 Output limiter for class-D BICMOS hearing aid output amplifier
04/05/1994US5300900 High-frequency limiter and switch-limiter circuit having improved recovery time
04/05/1994US5300894 Circuitry for minimizing peak power in an amplifier carrying a plurality of signals of differing frequencies
03/1994
03/31/1994DE4331895A1 Reference voltage clamping circuit e.g. for semiconductor memory - uses constant current circuit to supply reference voltage to clamping transistor control electrode
03/22/1994US5296761 Temperature-compensated logarithmic detector having a wide dynamic range
03/16/1994EP0586895A1 Limiter amplifier circuit for an audio signal
03/15/1994US5294985 Signal limiting apparatus having improved spurious signal performance and methods
03/08/1994US5293139 CMOS-compander
02/1994
02/22/1994US5289283 Inter-frame video filter having selective linear and non-linear transfer characteristics as function of inter-frame differences
02/17/1994WO1993021689A3 Demodulating logarithmic amplifier
02/15/1994US5286969 Apparatus for measuring optical power in an optical receiver with a non-linear element and a transconductance amplifier
02/03/1994WO1994002934A1 Semiconductor emulation of vacuum tubes
02/01/1994US5283484 Voltage limiter and single-ended to differential converter using same
01/1994
01/18/1994US5280256 Limiting filter
01/11/1994US5278519 Method and apparatus for controlling RF spectral splatter into adjacent channels when activating an RF transmitter
12/1993
12/15/1993CN1023181C Amplifier arrangement for producing controllable non-linear transfer characteristic useful for improving contrast of image
12/01/1993EP0572294A1 Input signal delimiter for an analogue-to-digital converter
11/1993
11/27/1993CA2096914A1 Analog-digital converter input signal limiting device
11/23/1993US5264805 For use in an FSK direct conversion system receiver
11/16/1993US5262635 Techniques for correcting non-linearity in a photodetector using predefined calibration information
11/03/1993EP0344227B1 Temperature compensated logarithmic amplifier
10/1993
10/28/1993WO1993021689A2 Demodulating logarithmic amplifier
10/19/1993US5255324 Digitally controlled audio amplifier with voltage limiting
10/19/1993US5254851 Wide-dynamic range light receiver
09/1993
09/28/1993US5248980 Spacecraft payload architecture
09/21/1993US5247581 Class-d bicmos hearing aid output amplifier
09/15/1993EP0465576B1 Logarithmic amplifier
09/08/1993EP0559298A1 Non-linear amplifier
08/1993
08/25/1993EP0556644A1 Integrated circuit
08/19/1993DE4204199A1 Amplitudenbegrenzer Amplitude
08/18/1993EP0555239A1 Controlling clipping in a microwave power amplifier.
08/14/1993WO1993016526A1 Amplitude limiter
07/1993
07/01/1993DE4142285A1 Detector circuit with radiation sensor in DC potential divider and signal amplifier - contains negative feedback path and high pass filter to limit detector signal dynamic characteristic
06/1993
06/16/1993EP0546658A1 Method and apparatus for controlling RF spectral interference into adjacent channels in an RF transmitter
06/15/1993US5220427 Magnetic reproducing apparatus having circuit for preventing reversal of white peak
06/09/1993EP0545596A1 A deviation limiting transmission circuit
06/09/1993EP0545536A1 Voltage-controlled amplifier using operational amplifier
05/1993
05/27/1993WO1993010553A1 Technique for correcting non-linearity in a photodetector
05/27/1993CA2122449A1 Technique for correcting non-linearity in a photodetector
05/18/1993US5212834 Circuit for extending the dynamic range of an intermediate level selector
05/18/1993US5212829 Circuit arrangement for suppression of interference signals
05/11/1993US5210503 Amplitude limiting amplifier circuit
05/11/1993US5210447 Word decoder with sbd-tx clamp
05/05/1993EP0540155A2 Digital limit checking system
05/05/1993EP0540116A2 Word decoder with SBD-TX clamp
04/1993
04/29/1993DE4125377C1 Hearing aid with preamplifier and post amplifier - has signal path for upper frequency range with limiter circuit and signal path for lower frequency range with circuit for automatic amplification regulation
04/28/1993EP0538806A1 Circuit for signal limiting and signal strength detection
04/21/1993EP0537959A2 CMOS-Compander
04/20/1993US5204636 Dynamic limiting circuit for an amplifier
03/1993
03/31/1993EP0534804A1 Class-D BICMOS hearing aid output amplifier
03/31/1993EP0534680A1 Pin diode driver circuit with DC bias terminal and timing delay circuit for high power HF input protection of radar low-noise amplifier
03/23/1993US5196744 Peak clipping circuit
03/18/1993DE4223906A1 Signal processor for audio reproduction, e.g. for CD player - has detector to identify pre-emphasis based on 4 bit code to control de-emphasiser coupled to amplifier gain control
03/18/1993DE4221428A1 Signal compressor for audio reproduction system - detects input signal level to access tables containing output values for compressing different signal ranges
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16