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)
09/1999
09/23/1999CA2323413A1 Bicmos switch circuit
09/22/1999EP0943181A1 Improved convergence in a digital signal averager
09/22/1999EP0772805B1 Operational parameter non-linear regulation process and circuitry
09/22/1999CN1229540A Digital to analogue coverter with reference signal
09/22/1999CN1229193A Choppe type voltage comparing circuit and voltage comparing method
09/21/1999US5956376 Apparatus for varying a sampling rate in a digital demodulator
09/21/1999US5955980 Circuit and method for calibrating a digital-to-analog converter
09/21/1999US5955979 System and method for compensating for glitch errors in a D/A converter
09/21/1999US5955978 A/D converter with auto-zeroed latching comparator and method
09/21/1999US5955727 Optical encoder having a shade layer made from photosensitive material
09/21/1999CA2056198C Linearizing non-linear analog-to-digital process and circuit
09/16/1999DE19908858A1 CMOS-Bildsensor mit Prüfschaltung für das Verifizieren seiner Funktion CMOS image sensor test circuit for verifying its function
09/16/1999DE19810695A1 Verfahren zur Detektion eines gepulsten Nutzsignals Method for detecting a pulsed useful signal
09/16/1999DE19810469A1 Schaltungsanordnung zur Kontrolle einer Ausgangslast Circuit arrangement for controlling an output load
09/15/1999EP0942564A2 Method for detecting a pulsed signal
09/15/1999EP0942537A2 Circuit configuration for monitoring an output load
09/15/1999EP0942289A2 Signal processing method and means
09/15/1999EP0941581A1 Method for improved reproduction of digital signals
09/14/1999US5952952 Switched-capacitor array
09/14/1999US5952951 Chopper comparator and A/D converter
09/14/1999US5952950 Adaptable analog signal conversion
09/14/1999US5952948 Low power liquid-crystal display driver
09/14/1999US5952947 Flexible and programmable delta-sigma analog signal converter
09/14/1999US5952946 Digital-to-analog charge converter employing floating gate MOS transisitors
09/14/1999US5952945 Digital/analogue conversion
09/14/1999US5952876 For filtering a data signal
09/14/1999US5951632 Parallel signal processing circuit, semiconductor device having the circuit, and signal processing system having the circuit
09/10/1999WO1999045651A1 Device for signal-processing in time discrete values
09/10/1999CA2265192A1 Signal processing method and means
09/09/1999DE19854652A1 Method of increasing the speed and improving the integral non-linearity matching of several parallel resistance chain based digital-to-analogue converters
09/09/1999DE19809882A1 Vorrichtung zur Signalverarbeitung von zeitdiskreten Werten Apparatus for signal processing discrete-time values
09/09/1999DE19809334A1 Process for energizing analog component e.g. sensor valve using signals transmitted by programmable circuit
09/09/1999DE19805207A1 Movement direction determination for position sensor
09/08/1999EP0940923A2 Mixed-signal circuitry and integrated circuit devices
09/08/1999EP0940798A1 Driving circuit for liquid crystal display
09/08/1999EP0864204A4 Integrated drivers for flat panel displays employing chalcogenide logic elements
09/08/1999CN1227947A Liquid crystal driving circuit
09/07/1999US5949362 Digital-to-analog converter including current cell matrix with enhanced linearity and associated methods
09/07/1999US5949156 Precision capacitor ladder using differential equal-perimeter pairs
09/02/1999WO1999044290A1 Digital-to-analog converter
09/02/1999WO1999044289A1 Digital to analogue converter with dynamic element matching
09/02/1999WO1999044288A1 Analog-to-digital converter circuit
09/02/1999DE19850656A1 Analogue-to-digital converter
09/01/1999EP0939494A2 Circuit arrangement with current type digital to analogue converters
09/01/1999EP0939493A2 Digital-to-analog converter accurately testable without complicated circuit configuration and testing method for the same
09/01/1999EP0939489A2 Chopper voltage comparator circuit and method
09/01/1999EP0939401A1 Sound processing method, sound processor, and recording/reproduction device
09/01/1999EP0800725B1 Digital input and control device
09/01/1999EP0744099A4 Interference dependent adaptive phase clock controller
09/01/1999CN1227680A A audio A/D converter using frequency modulation
08/1999
08/31/1999US5945935 A/D converter and A/D conversion method
08/31/1999US5945934 For converting an analog input voltage to a digital output codes
08/31/1999US5945851 Current source apparatus with bias switches
08/26/1999WO1999042989A1 Video signal processor
08/26/1999WO1999042790A1 Method for operating a position measuring system and corresponding position measuring system
08/26/1999DE19856708A1 Operating position measuring method to produce incremental signals related to relative position of two parts movable to each other
08/25/1999EP0938189A2 Multistage analog-to-digital converter employing dither
08/25/1999EP0937988A1 Voltage indicator using serial comparison voltage measurement
08/25/1999CN1227017A Wireless receiver with offset compensation using flash-ADC
08/24/1999US5943000 Compensated MOS string and DAC employing such a potentiometric string
08/24/1999US5942999 Controllable integrated linear attenuator for a D/A converter
08/24/1999US5942997 Correlated superconductor single flux quantum analog-to-digital converter
08/24/1999US5941941 Bit width controlling method
08/18/1999EP0913033A4 Coherent sampling digitizer system
08/18/1999CA2229756A1 Method and apparatus for correcting element mismatch in digital-to-analog converters
08/17/1999US5940138 Analog signal process with dither pattern
08/17/1999US5940020 Digital to analog converter with a reduced resistor count
08/17/1999US5939879 Magnetic encoder for sensing position and direction via a time and space modulated magnetic field
08/17/1999US5939712 Absolute position detection within 1 revolution using 3-channel incremental encoders with high resolution index track
08/12/1999WO1999040684A1 Class d amplifier with reduced clock requirement and related methods
08/12/1999WO1999040683A1 A method to accomplish a high resolution digital/analog conversion and a digital/analog converter
08/12/1999WO1999040682A2 Combined input circuit
08/12/1999WO1999034517B1 Method and device for analogue to digital conversion
08/11/1999EP0935386A1 Image processor and integrated circuit for the same
08/11/1999EP0935345A2 Differential switching circuitry
08/11/1999EP0935340A2 Method and device for controlling the gain in a signal processing system
08/11/1999EP0935185A2 "An analog-to-digital converter with direct memory acces
08/11/1999EP0934629A1 A method and device to provide a high-performance digital-to-analog conversion architecture
08/11/1999EP0804831B1 Power-up calibration of charge redistribution analog-to-digital converter
08/11/1999EP0586565B1 Improved signal encode/decode system
08/10/1999US5937020 Digital information signal reproducing circuit and digital information system
08/10/1999US5936602 Ramp signal producing method, ramp signal producing apparatus, and liquid crystal drive/display apparatus
08/10/1999US5936567 Parallel charge signal delivery system, and filtering AD converter using the same
08/10/1999US5936566 Auto-reference pseudo-flash analog to digital converter
08/10/1999US5936564 Digital to analog converter using pulse width modulation and the controlling method thereof
08/10/1999US5936563 Digital-to-analog conversion circuit
08/10/1999US5936562 High-speed sigma-delta ADCs
08/10/1999US5936561 Apparatus and methods for digitally compensated multi-bit sigma-delta analog-to-digital conversion
08/10/1999US5936461 Charge domain signal filter
08/10/1999US5936437 Analog-to-digital converter with capacitor network
08/10/1999US5936434 Voltage comparator and A/D converter
08/10/1999US5936433 Comparator including a transconducting inverter biased to operate in subthreshold
08/10/1999US5935466 System and method for reducing inaccuracies caused by temperature drift in D/A converters
08/10/1999CA2091487C Position-sensing and motor verification assembly for a motor driven mechanism
08/05/1999WO1999039440A2 Device for processing a digital signal
08/05/1999WO1999039439A1 Signal conditioning circuit including a combined adc/dac, sensor system, and method therefor
08/04/1999EP0932936A1 Improved successive approximation a/d converter
08/04/1999EP0932870A1 Mirror circuitry for noise reduction
08/04/1999CN1225210A Method for efficient sampling in a correlator
08/03/1999US5933107 Method and device to provide a high-performance digital-to-analog conversion architecture
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