Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
10/1996
10/22/1996US5568146 Digital/analog converter
10/22/1996US5568145 MOS current source layout technique to minimize deviation
10/22/1996US5568144 Method for improving waveform digitization and circuit for implementing said method
10/22/1996US5568143 Analog to digital conversion system having automatically and dynamically variable resolution range
10/22/1996US5568142 System for converting a signal between continuous-time and discrete-time
10/22/1996US5568141 Waveform shaping apparatus
10/22/1996US5568070 Multiplexer w/ selective switching for external signals
10/17/1996DE19513829A1 Determining absolute position in linear or rotary displacements in e.g. machine tool such as drill or lathe
10/16/1996EP0738063A1 Radio pager
10/16/1996EP0738046A1 Digital angle detection system
10/16/1996EP0738045A2 Analog-to-digital converter
10/16/1996CN1133512A Method and device for data coding and decoding
10/15/1996US5565930 Receiver with oversampling analog-to-digital conversion for digital signals accompanied by analog TV signals
10/15/1996US5565869 Multiple slope analog-to-digital converter having increased linearity
10/15/1996US5565866 Digital-to-analog converter with voltage defined by Josephson frequency voltage relation
10/15/1996US5565864 Absolute encoder
10/15/1996US5565800 Comparator circuit and method of controlling comparator circuit
10/10/1996WO1996031948A2 Differential amplifier with signal-dependent offset, and multi-step dual-residue analog-to-digital converter including such a differential amplifier
10/09/1996EP0736977A1 Method for the autocalibration of an AD or DA converter
10/09/1996EP0736970A1 Amplitude adjust circuit and method thereof
10/09/1996CN1132963A Semiconductor device and signal processing system using the semiconductor device
10/09/1996CN1132851A Design method of code disk (rule) for absolute-value displacement sensor
10/08/1996US5563599 Analog-to-digital converter with cascaded switching control of voltage divider substages
10/08/1996US5563598 Differential comparator cirucit
10/08/1996US5563596 Arrayed analog-to-digital converters
10/08/1996US5563591 Programmable encoder using an addressable display
10/08/1996US5563408 Absolute encoder having absolute pattern graduations and incremental pattern graduations with phase control
10/03/1996WO1996031086A1 Improvements in or relating to loudspeakers
10/02/1996DE19511594A1 Analogue input magnitude to digital output value conversion method
10/02/1996CN1132371A Semiconductor device, and operating device, signal converter, and signal processing system using the semiconductor device
10/02/1996CN1132370A Semiconductor device, and operating device, signal converter, and signal processing system using the semiconductor device
10/01/1996US5561427 Analog to digital converter with continuous conversion cycles and large input signal range
10/01/1996US5561426 Analog-to-digital converter
09/1996
09/25/1996EP0734125A1 Delta sigma analog-to-digital converter
09/25/1996EP0734026A2 Switching circuit and charge transfer device using same
09/25/1996EP0643886B1 Dynamic loader
09/25/1996EP0553090B1 A/d or d/a converter, a/d and d/a converter system and a calibration method thereof
09/25/1996CN1131845A Current source driven converter
09/25/1996CN1131820A Resistor string with equal resistance resistors
09/24/1996US5559900 Compression of signals for perceptual quality by selecting frequency bands having relatively high energy
09/24/1996US5559514 Analog-to-digital converter with sigma-delta duty cycle encoded output
09/19/1996WO1996028891A1 Digital analog converter with means to overcome effects due to loss of phase information
09/19/1996WO1996028889A2 Digital phase-locked loop utilizing a high order sigma-delta modulator
09/19/1996DE19518966C1 Digital=to=analogue converter using special charge-coupled device
09/17/1996US5557275 Error-tolerant binary encoder
09/17/1996US5557274 Ad converter and magnetic recording/regenerating apparatus using the same
09/17/1996US5557273 Magnetic azimuth detector to digital (MAD) converter
09/12/1996DE19608691A1 Indicating unit of pointer type with pointer driven by stepper motor
09/12/1996DE19514007C1 Anti-distortion method for analogue=digital converters
09/11/1996EP0730794A1 An efficient architecture for correcting component mismatches and circuit nonlinearities in a/d converters
09/11/1996EP0513330B1 Circuit for generating variable width pulses for a liquid cristal display driver
09/10/1996US5554989 A/D converter having folded arrangement of voltage comparator
09/10/1996US5554988 Apparatus and method for generating a data signal
09/10/1996US5554986 Digital to analog coverter having multiple resistor ladder stages
09/10/1996US5554943 Analog to digital converter having a magnitude amplifier with an improved differential input amplifier
09/05/1996DE19506019A1 Operating optical steering angle stationary sensor with several optical elements
09/04/1996EP0730352A2 Full flash analog-to-digital converter
09/04/1996EP0730351A2 Full flash analog-to-digital converter
09/04/1996EP0730257A2 Ramp signal producing method and apparatus, and liquid crystal drive/display apparatus
09/04/1996EP0730158A1 Low offset comparator with time-shared input and current memory cell
09/04/1996EP0683856B1 Device and method for digitally measuring a voltage varying within a given range, and uses thereof
09/04/1996EP0631702A4 Averaging flash analog-to-digital converter.
09/04/1996CN1130322A Full differential quick analoque-digital converter based on voltage follow-up amplifier
09/03/1996US5552785 Digital phase-locked loop utilizing a high order sigma-delta modulator
09/03/1996US5552784 Distortion reduction circuit for analog to digital converter system
08/1996
08/29/1996WO1996026448A1 Process and machine for signal waveform analysis
08/28/1996EP0729236A1 Successive approximation analog-to-digital converter
08/28/1996EP0729235A1 Analog to digital converters and encoders therefor
08/28/1996EP0729234A1 Adaptive A/D converting device
08/28/1996EP0729233A1 Comparator-offset compensating AD-convertor
08/28/1996EP0729226A2 Differential amplifier
08/28/1996EP0729225A1 Folding amplifier for an A/D converter
08/28/1996EP0728260A1 Electronic metering circuit
08/28/1996CN1129865A D/A conversion device
08/27/1996US5550493 Potential comparing circuit having an offset correcting circuit
08/27/1996US5550492 Analog to digital converter using complementary differential emitter pairs
08/25/1996CA2170212A1 Adaptive a/d converting device for adaptively converting an input analog signal into an output digital signal having a constant quantizing error
08/22/1996WO1996025809A1 Method and apparatus for reducing quantization noise
08/22/1996WO1996025799A1 Decoding signals containing encoded information
08/22/1996WO1996025798A2 Analog-to-digital conversion with multiple charge redistribution conversions
08/22/1996WO1996025793A1 Combination d/a converter and fir filter utilizing active current division and method
08/22/1996DE19605472A1 Interpolation circuit for measuring tool location w.r.t. workpiece
08/22/1996CA2185026A1 Method and apparatus for reducing quantization noise
08/21/1996EP0727878A2 Circuit for A/D conversion of a video RF or IF signal
08/20/1996US5548748 One-chip semiconductor integrated circuit device having a digital signal processing circuit and an analog signal processing circuit
08/20/1996US5548550 Nonvolatile control architecture
08/20/1996US5548287 Analog to digital converter
08/20/1996US5548286 Analogue and digital convertors using pulse edge modulators with non-linearity error correction
08/14/1996EP0726656A1 Noise cancelling circuit and arrangement
08/14/1996DE19526162C1 Circuit arrangement for converting analogue electric input signal into digital output signal
08/14/1996DE19512495C1 Self-calibration system for A=D or D=A converter
08/14/1996DE19504307A1 Position and/or speed detecting appts.
08/13/1996US5546245 Data storage apparatus with an A/D converter having a reference voltage control based upon a signal before and after discrimination
08/13/1996US5546082 Measurement probe with improved analog-to-digital conversion
08/13/1996US5546081 Analog-to-digital converter circuit having high dynamics
08/13/1996US5546028 Chopper type comparator for an analog-to-digital converter
08/13/1996US5545900 For producing a pulse-height distribution
08/08/1996WO1996024193A1 Wide dynamic range analog to digital conversion
08/08/1996DE19518967C1 Analogue-digital converter with CCD and partial voltage drivers
08/08/1996DE19513796C1 Capacitive-input successive-approximation analogue=digital converter