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)
05/1995
05/09/1995US5414516 Position measuring apparatus
05/09/1995US5414424 Fourth-order cascaded sigma-delta modulator
05/04/1995DE4438656A1 Analog/digital converter
05/02/1995US5412431 Device for controlling the quantizer of a hybrid coder
05/02/1995US5412386 Arrangement for converting a plurality of electrical analog measurement signals that are applied simultaneously to its input terminals into a corresponding plurality of digital signals, using an antialiasing filter on the inputs
05/02/1995US5412385 Error correction testing system and method for a multistage A/D converter
04/1995
04/27/1995WO1995011551A1 Sub-ranging analog-to-digital converter
04/27/1995DE4436784A1 Absolute position measuring system
04/26/1995EP0650261A1 Bandpass sigma-delta analog-to-digital converter (adc), method therefor, and receiver using same
04/26/1995EP0650260A1 Method and apparatus for analog to digital conversion
04/25/1995US5410312 Digital/analog conversion device with two switched latches for simultaneous D/A conversion
04/25/1995US5410311 Voltage reference and current source for video DAC
04/25/1995US5410197 Circuitry and method for sense amplification
04/25/1995US5410188 For generating complementary output data signals
04/25/1995US5410186 Programmable digital to analog converter
04/18/1995US5408497 Transceiver for transmitting and receiving stair-stepped sinusoidal waveforms
04/18/1995US5408286 Signal generating device with selective pattern reading
04/13/1995WO1995008241A3 Apparatus for and method of speech digitizing
04/13/1995DE4435765A1 Analog/digital converter
04/11/1995USRE34899 Analog to digital conversion with charge balanced voltage to frequency converter having polarity responsive offset
04/11/1995US5406329 Solid state image pickup apparatus having test signal generator
04/11/1995US5406285 Digital-to-analog converter
04/11/1995US5406284 Methods and apparatus for the quantization and analog conversion of digital signals
04/11/1995US5406283 Multi-bit oversampled DAC with dynamic element matching
04/11/1995US5406135 Differential current source circuit in DAC of current driving type
04/11/1995US5406077 Absolute value encoder and an output correction method of absolute value encoder having a signal processing/control circuit
04/06/1995DE4435428A1 Analog/digital converter
04/06/1995DE4333908A1 Analog/digital converter
04/04/1995US5404143 Network swappers and circuits constructed from same
04/04/1995US5404142 Data-directed scrambler for multi-bit noise shaping D/A converters
04/04/1995US5404141 Signal converting apparatus utilizing an analog-digital converting section and a digital-analog converting section
03/1995
03/29/1995EP0645893A1 Analog-to-digital converters with dither signal
03/29/1995EP0645770A2 Zero level setting circuit for A/D converter in a magnetic disk drive
03/29/1995EP0645607A1 Apparatus for producing harmonic-free periodic signals
03/28/1995US5402128 Analog-to-digital converter with capacitor network
03/28/1995US5402127 Digital-to-analog converter
03/28/1995US5402126 Method and apparatus for digital to analog conversion using gaas HI2 L
03/28/1995US5402125 Nonlinear analog to digital converter having first and second converters including serially connected circuit cells
03/28/1995US5402124 Encoder and decoder with improved quantizer using reserved quantizer level for small amplitude signals
03/23/1995WO1995008241A2 Apparatus for and method of speech digitizing
03/23/1995WO1995008221A1 Digital to analog conversion using nonuniform sample rates
03/23/1995WO1995008220A1 Analog to digital conversion using nonuniform sample rates
03/23/1995DE4401949C1 Device for the multiplicative correction of an electric measurement signal
03/23/1995DE4331647A1 Optical measuring system for absolute angle measurement or length measurement with the aid of rows of pixels
03/23/1995CA2149214A1 Apparatus for and method of speech digitizing
03/22/1995EP0644480A2 Multiple resonant tunneling circuits for positive digit multi-valued logic operations
03/22/1995EP0643886A1 Dynamic loader.
03/22/1995EP0643884A1 Cmos current steering circuit
03/21/1995US5400029 Analog-digital conversion circuit device and analog-digital conversion method
03/21/1995US5400028 Charge summing digital to analog converter
03/21/1995US5400027 Low voltage digital-to-analog converter with improved accuracy
03/21/1995US5400026 Flash analog-to-digital converter employing Josephson junctions
03/21/1995US5400025 Temperature corrected integrating analog-to-digital converter
03/21/1995CA1334872C Digital-to-analogue conversion
03/15/1995EP0643489A1 Binary converter
03/15/1995EP0642711A1 Dynamically selectable multimode pulse width modulation system
03/15/1995EP0642709A1 Dual edge pulse width modulation system
03/14/1995US5398030 High-performance superconducting digital-to-analog converter employing double-junction squid flip-flops
03/09/1995WO1995006980A1 Digital converter
03/09/1995WO1995006879A1 An improved-sensitivity high-resolution comparator
03/08/1995EP0642112A1 Drive voltage generating circuit having a contrast control function
03/07/1995US5396442 Multiplication circuit for multiplying analog inputs by digital inputs
03/07/1995US5396247 Analog-to-digital conversion circuit having a pulse circulating portion
03/07/1995US5396245 Digital to analog converter
03/07/1995US5396244 Digital-to-analog converter
03/07/1995US5396242 Superconductivity binary odometer
03/07/1995US5396131 Differential amplifier, comparator and high-speed A/D converter using the same
03/02/1995DE4429749A1 Methode und elektronischer Kreis für die Analyse analoger Signale Method and electronic circuit for the analysis of analog signals
03/01/1995EP0641085A1 Cascaded sigma-delta modulators
03/01/1995EP0641084A2 Analog-digital-analog converter circuit
02/1995
02/28/1995US5394148 AD converter
02/28/1995US5394147 Sequential conversion-type ADC using predetermined bits
02/28/1995US5394146 Digital to analog converter
02/28/1995US5394122 RF digital-to-analog converter
02/28/1995US5394022 Pulse width modulation circuit apparatus
02/23/1995WO1995005708A1 D/a converter with symmetrical differential switching circuit
02/23/1995WO1995005707A1 Absolute encoder using multiphase analog signals
02/23/1995CA2168355A1 Absolute encoder using multiphase analog signals
02/21/1995US5392045 Folder circuit for analog to digital converter
02/21/1995US5392044 Method and apparatus for digitizing a wide frequency bandwidth signal
02/21/1995US5392043 Double-rate sampled signal integrator
02/21/1995CA2023766C Multi-channel analog to digital convertor
02/16/1995WO1995005051A1 Optimization of weighted signal-to-noise ratio for a digital video encoder
02/16/1995WO1995005034A1 Data-directed scrambler for multi-bit noise-shaping d/a converters
02/16/1995DE4406326C1 D/A convertor having increased resolution
02/16/1995CA2168577A1 Optimization of weighted signal-to-noise ratio for a digital video encoder
02/15/1995EP0638996A1 Chopper type differential amplifier using MOS gate capacitors
02/15/1995EP0586546A4 Flash analog-to-digital converter.
02/14/1995US5390256 Dynamic loader
02/14/1995US5389929 Two-step subranging analog-to-digital converter
02/14/1995US5389928 Process for the D/A conversion of signed binary codes of a Bi-polar, time-varying signal and a digital-to-analog converter employing this process
02/14/1995US5389927 Method and apparatus for control of an analog to digital converter
02/14/1995US5389926 Microcomputer having test circuit for A/D converter
02/14/1995US5389925 A/D and D/A conversion device with shared parameter generators
02/14/1995US5389887 Binary coding circuit
02/14/1995US5389872 Signal processing system and method of reducing switch error attributable to switch impedances
02/07/1995US5387914 Correction range technique for multi-range A/D converter
02/07/1995US5387912 Digital-to-analog converter with reference glitch reduction
02/07/1995US5387910 Signal processor
02/01/1995EP0637135A1 Comparator circuit and method of controlling comparator circuit
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