Patents
Sitemap › H03 - Basic electronic circuitry › H03M - Coding, decoding or code conversion, in general › H03M 1 - Analogue/digital conversion; Digital/analogue conversion
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
01/1997
01/07/1997US5592167 For receiving/converting an analog signal to a digital output
01/07/1997US5592166 High speed CMOS D/A converter for wave synthesis in network
01/02/1997EP0751653A2 FIR equalizer for data signals
01/02/1997EP0751624A2 Encoding apparatus
12/1996
12/31/1996US5590154 Equalizer circuit and a method for equalizing a continuous signal
12/31/1996US5589847 Switched capacitor analog circuits using polysilicon thin film technology
12/31/1996US5589832 Low noise non-sampled successive approximation
12/31/1996US5589831 Fully differential flash ADC based on the voltage follower amplifier structure
12/31/1996US5589785 Low-voltage CMOS comparator
12/24/1996US5587711 Method and system for reconstructing quantized signals
12/19/1996WO1996041421A1 High speed, low power cmos d/a converter for wave synthesis in network
12/19/1996WO1996041420A2 Method and apparatus for multiplexed oversampled analog to digital modulation
12/19/1996WO1996041211A1 Software-based resolver-to-digital converter
12/19/1996DE19608720A1 Analogue=to=digital converter
12/18/1996EP0749210A2 Counting circuit for measuring pulse spacing, sampling circuit, skew adjusting circuit, and logic analyzing circuit
12/18/1996EP0749205A1 Switched capacitor gain stage
12/18/1996CN1138249A Analog-to-digital covnerter comparator reference arrangement
12/17/1996US5586149 Interference dependent adaptive phase clock controller
12/17/1996US5585819 Method and apparatus for detecting aliasing
12/17/1996US5585797 Signal processing device having a function of converting an analog signal into a digital signal
12/17/1996US5585796 Analog-to-digital converting arrangement
12/17/1996US5585795 D/A converter including output buffer having a controllable offset voltage
12/17/1996US5585753 Sawtooth generator and signal interpolating apparatus using the same
12/12/1996WO1996039747A1 Dac having separate main and correcting outputs
12/12/1996WO1996039739A2 Hybrid analog-to-digital converter for low power applications, such as use in an implantable medical device
12/12/1996WO1996031948A3 Differential amplifier with signal-dependent offset, and multi-step dual-residue analog-to-digital converter including such a differential amplifier
12/11/1996EP0748054A2 Digital angle detecting method
12/11/1996EP0747959A2 Precision capacitor ladder using differential equal-perimeter pairs
12/11/1996EP0746911A1 Transceiver for transmitting and receiving stair-stepped sinusoidal waveforms
12/11/1996EP0746907A1 Absolute encoder using multiphase analog signals
12/10/1996US5583962 For encoding two or more audio channels
12/10/1996US5583798 Position measuring method and apparatus for generating periodic signals free of harmonics
12/10/1996US5583503 Analog/digital converter
12/10/1996US5583502 A-D converter testing circuit and D-A converter testing circuit
12/10/1996US5583501 Digital-to-analog converter with digital linearity correction
12/10/1996US5583459 Sample hold circuit
12/05/1996WO1996038921A1 High speed cmos d/a converter for wave synthesis in network
12/05/1996WO1996038920A1 A/d converter with interpolation
12/05/1996DE19526217C1 Semiconductor circuit with D=A converter connected to processor
12/04/1996EP0746094A1 Offset error compensation system for an operational amplifier
12/04/1996EP0745967A2 Circuit for driving display data lines of an array formed on a substrate
12/04/1996EP0538252B1 Technique for improving the resolution of an a/d converter in a spectrometer using dither
12/03/1996US5581255 Embedded subranging analog to digital converter
12/03/1996US5581252 Analog-to-digital conversion using comparator coupled capacitor digital-to-analog converters
12/03/1996CA2054820C Analog-to-digital converter circuit with offset correction
11/1996
11/28/1996WO1996037962A1 Monolithic analog-to-digital converter
11/27/1996EP0744837A2 Analog signal input circuitry with an analog-to-digital converter in a semiconductor device
11/27/1996EP0744099A1 Interference dependent adaptive phase clock controller
11/26/1996US5579356 Timer circuit with programmable decode circuitry
11/26/1996US5579247 Method and apparatus for decreasing the interference and noise sensitivity of a ratiometric converter type of circuit
11/26/1996US5579007 Charge-to-digital converter
11/26/1996US5579006 A/D converter
11/26/1996US5579005 Digital correction for missing codes caused by capacitive mismatchings in successive approximation analog-to-digital converters
11/21/1996WO1996025798A3 Analog-to-digital conversion with multiple charge redistribution conversions
11/20/1996EP0743759A1 Digital-to-analog converter (DAC) and method that produce an approximately piecewise linear analog waveform
11/20/1996EP0743758A1 Quadratic digital/analog converter
11/19/1996US5576708 Automatic offset tracking and correcting circuit and method of operation
11/14/1996DE19543881A1 Analogue=digital converter
11/13/1996EP0742645A2 Multichannel sigma-delta A/D converters with high throughput
11/13/1996CN1135615A Semi-conductor device, arithmetic logic and signal processing system using same
11/12/1996US5574457 Switched capacitor gain stage
11/12/1996US5574456 Signal processing method and apparatus therefor
11/12/1996US5574455 Digital to analog converter and frequency synthesizer using the converter
11/12/1996US5574454 Digital phase-locked loop utilizing a high order sigma-delta modulator
11/12/1996US5574451 Digital circuit for the introduction of dither into an analog signal
11/12/1996US5574445 Digital absolute position encoders
11/12/1996US5574444 Method and apparatus for decoding signals containing encoded information
11/12/1996US5574380 Current measurement circuit comprising a mutually coupled transformer and an integration circuit
11/07/1996WO1996035264A1 Rail-to-rail dac drive circuit
11/07/1996DE19610815A1 Needle-type display device with step motor for driving display pointer
11/06/1996EP0741460A2 Analog-to-digital converter comparator reference arrangement
11/06/1996EP0740862A1 Pipelined analog-to-digital converter with curvefit digital correction
11/06/1996EP0740860A1 High speed overvoltage detection and protection circuit
11/06/1996EP0593729B1 Analog-to-digital converter and feedback loop using same
11/05/1996US5572212 Pipelined analog to digital converter
11/05/1996US5572199 Absolute signal detecting method and absolute encoder
11/05/1996US5572153 Low offset comparators based on current copiers
11/05/1996US5572118 Charge rate electrometer including means for substantially eliminating leakage currents
11/05/1996US5572018 Method and apparatus to detect absolute position using encoder having a counter clear signal
10/1996
10/31/1996DE19515487A1 Voltage to frequency converter with integrating stage
10/31/1996DE19515139A1 Indicating path and/or angular position marked on disc or tape
10/30/1996EP0740425A1 Precision digital-to-analogue converter
10/30/1996EP0740424A2 Self-calibrating high speed D/A converter
10/30/1996EP0740059A2 An A/D conversion control apparatus for an internal combustion engine
10/30/1996EP0739553A1 Radix 2 architecture and calibration technique for pipelined analog to digital converters
10/30/1996EP0739549A1 Method and apparatus for calibrating a gain control circuit
10/30/1996EP0705465B1 Configurable analog and digital array
10/30/1996CN1134629A Arithmetic processing apparatus and arithmetic processing circuit
10/30/1996CN1134624A Differential amplifying apparatus
10/30/1996CN1134565A Semiconductor device semiconductor circuit using device; and correlation calculation device, signal converter, and signal processing system using circuit
10/30/1996CN1134564A Semiconductor device, circuit having device, and correlation calculation apparatus, signal converter, and signal processing system utilizing the circuit
10/29/1996US5570091 Analog-to-digital converter
10/29/1996US5570090 DAC with digitally-programmable gain and sync level generation
10/24/1996WO1996033386A1 Compact, low-cost, semiconductor instrument
10/24/1996WO1996028889A3 Digital phase-locked loop utilizing a high order sigma-delta modulator
10/23/1996EP0739098A2 Current matrix type digital-to-analog converter incorporating an operational amplifier
10/23/1996EP0738439A1 Low resolution, high linearity digital-to-analog converter without trim
10/22/1996US5568149 A/D converter subsystem with half linear buffer amplifier
10/22/1996US5568148 Analog/digital conversion circuit
10/22/1996US5568147 Digital-to-analog converter for reducing occupied area thereof
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