Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
12/2000
12/21/2000WO2000077472A1 Chain code position detector
12/21/2000DE19926684A1 Verfahren und Vorrichtung zur logarithmischen Umwandlung eines Eingangssignals Method and apparatus for logarithmic conversion of an input signal
12/21/2000CA2376816A1 Speech switching apparatus
12/20/2000EP1061653A2 Analog gain control adjustment using a probabilistic algorithm
12/20/2000EP1061652A2 Linearization procedure of the transfer characteristic of analog-to-digital converters and relevant circuit
12/20/2000EP1061643A2 Receiver and gain control method of the same
12/20/2000EP1061545A1 Multiple-channel digital receiver for global positioning system
12/20/2000EP1060571A1 METHOD AND APPARATUS FOR CLOCK TIMING RECOVERY IN $g(x)DSL, PARTICULARLY VDSL MODEMS
12/20/2000CN1277492A System with adjustable A/D converter clock phase
12/19/2000US6163291 Successive approximation analog to digital converter with bit error correction
12/19/2000US6163290 Linearizing structures and methods for unity-gain folding amplifiers
12/19/2000US6163289 Differential voltage digital-to-analog converter
12/19/2000US6163288 Digital-to-analog converter in which an analog output of low order bits is attenuated, and added to an analog output of high order bits
12/19/2000US6163285 Method of direct current offset cancellation
12/19/2000US6163283 Thermometer coding circuitry
12/18/2000CA2308674A1 Analog gain control adjustment using a probabilistic algorithm
12/14/2000WO2000075721A1 High speed optical analogue to digital converter and digital optical wavemeter
12/13/2000EP1059731A2 Digital conversion method for analog signal
12/13/2000CN1276658A Transducer of signal input/output signal device having compensation contraction and enlargement A-D converter
12/12/2000US6160930 Optical sample and hold architecture
12/12/2000US6160885 Caller ID circuit powered through hookswitch devices
12/12/2000US6160508 Method and device for analogue to digital conversion
12/12/2000US6160507 Current bit cell and switched current network formed of such cells
12/12/2000US6160506 Low-noise sigma-delta analog-to-digital converter
12/12/2000US6160504 Repetitive absorptive thresholding optical quantizer
12/12/2000US6160499 Magnetic encoder apparatus
12/07/2000WO2000074244A1 Droop-free quasi-continuous reconstruction filter interface
12/07/2000WO2000074243A1 Integrated clock-actuated shift register circuit and conversion device
12/07/2000WO2000074242A1 Correction of static errors in an a/d-converter
12/07/2000WO2000074241A1 Dc offset correction and hold capability
12/07/2000CA2374843A1 Correction of static errors in an a/d-converter
12/06/2000EP1058414A2 Multichannel digital mixer designed for cascade connection, and a cascade connection of two such mixers
12/06/2000EP1058397A2 CDMA Transmitter with means for scaling the input and output signals of a D/A converter
12/06/2000EP1058390A2 R/D converter
12/06/2000EP1058389A2 R/D converter
12/06/2000EP1058388A2 Direct digital downconverter and method for converting an analog signal to a digital signal
12/06/2000EP1058387A2 System with adjustable ADC clock phase
12/06/2000EP1058234A1 Video signal processor
12/06/2000EP1057253A2 Down/up-conversion apparatus and method
12/06/2000EP1056989A1 Method for operating a position measuring system and corresponding position measuring system
12/06/2000CN1275803A Semiconductive device design method and apparatus, memory medium stored marco-information
12/05/2000US6157672 Pulse modulation operation circuit
12/05/2000US6157338 Deterministic successive approximation analog-to-digital converter
12/05/2000US6157336 Target specific folded analog to digital converter for direct access storage device (DASD)
12/05/2000US6157335 Voltage generating circuit
12/05/2000US6157334 Digital-analog converter, circuit board, electronic device and liquid crystal display device
12/05/2000US6157333 Method for selecting a sequence of cells inside a bidimensional matrix structure of a digital-analog converter and corresponding converter
12/05/2000US6157332 Self-calibrating video digital to analog converter
12/05/2000US6157188 Compact, long-range absolute position transducer with an extensible compact encoding
12/05/2000US6155654 Method for controlling electromagnetic proportional pressure control valve
11/2000
11/30/2000WO2000072447A1 A/d conversion offset error correction
11/30/2000CA2371609A1 A/d conversion offset error correction
11/29/2000EP1056208A1 A/D converter non-linearity compensating device
11/29/2000EP0713617B1 D/a converter with symmetrical differential switching circuit
11/28/2000US6154165 Variable clock rate, variable bit-depth analog-to-digital converter
11/28/2000US6154164 Variable clock rate analog-to-digital converter
11/28/2000US6154163 Successive approximation shift register with reduced latency
11/28/2000US6154162 Dual-stage switched-capacitor DAC with scrambled MSB's
11/28/2000US6154160 Circuit arrangement including digital-to-analog current converters
11/28/2000US6154159 Electronic sampling circuit
11/28/2000US6154158 Digital-to-analog converter D.C. offset correction comparing converter input and output signals
11/28/2000US6154157 Non-linear mapping of threshold voltages for analog/multi-level memory
11/28/2000US6154121 Non-linear digital-to-analog converter and display incorporating the same
11/28/2000US6154092 Circuits for preventing unwanted output transients in amplifiers during power-up
11/23/2000DE19922127A1 Integrierter Schaltkreis mit einem A/D- oder D/A-Wandler mit galvanischer Trennung Integrated circuit with an A / D or D / A converter with galvanic isolation
11/22/2000EP1054512A2 D/A conversion circuit and semiconductor device
11/22/2000EP0812425A4 Process and machine for signal waveform analysis
11/22/2000CN2407413Y Wireless remote controller
11/22/2000CN1274482A Signal processor with local signal behavior
11/22/2000CN1274201A Multi-width pulse difference coding method
11/21/2000US6150971 R/2R' ladder switch circuit and method for digital-to-analog converter
11/21/2000US6150970 Method and system for digital to analog conversion
11/21/2000US6150968 Trimming circuitry for pipeline A/D converter
11/21/2000US6150967 Semiconductor integrated circuit
11/21/2000US6150850 Chopper type comparator
11/16/2000WO2000069087A1 Receiver circuit for a communications terminal and method for processing signals in a receiver circuit
11/16/2000WO2000069077A1 Method and apparatus for deglitching digital to analog converters
11/16/2000WO2000069076A1 Method and apparatus for switching low voltage cmos switches in high voltage digital to analog converters
11/16/2000WO2000069075A1 Adc sharing for keypad and touch panel of a phone
11/16/2000DE19933488A1 Digital=analogue converter stage
11/15/2000EP1052780A2 Integrated circuit with A/D or D/A converter with galvanic isolation
11/15/2000EP0813706A4 Microcontroller with analog front-end for providing intelligent battery management
11/15/2000CN1273707A Down/up-conversion apparatus and method
11/14/2000US6148288 Scalable audio coding/decoding method and apparatus
11/14/2000US6147920 Noise equalized DAC and device capable of equalizing noise in SRAM
11/14/2000US6147635 Timer for A/D converter
11/14/2000US6147633 Analog-to-digital converter having offset removing function
11/14/2000US6147632 Sampling frequency conversion apparatus and fractional frequency dividing apparatus for sampling frequency conversion
11/09/2000DE19916954A1 Schaltungsanordnung zum Messen von Verzögerungen eines Fahrzeugs, verursacht durch einen vor einem Crash erfolgten Bremsvorgang Circuit arrangement for measuring a vehicle delays caused by a place before a crash braking
11/09/2000DE10020980A1 Rotary encoder e.g. for surveying instrument has latch circuit which holds binary signal from one sensor when zero-point is detected at other sensor
11/09/2000DE10020978A1 Rotary encoder for surveying instrument has two sensors whose output voltage phase is offset w.r.t. each other by fraction of pi
11/08/2000EP1050970A2 Digital-to-analog converter
11/08/2000EP1050969A2 System and method for logarithmic digital to analog conversion
11/08/2000EP1050792A2 Clock Signal generator for generating sub-sampling clock signals with fast and precisely-timed edges
11/08/2000EP1050759A2 Bandpass sampling architecture for wide-frequency band signal analysis
11/08/2000EP0712549B1 Data-directed scrambler for multi-bit noise-shaping d/a converters
11/08/2000CN1272727A High-speed upstream modem communication
11/08/2000CN1272726A Method for simultaneously implementing A/D conversion and multiplication
11/07/2000US6144331 Analog to digital converter with a differential output resistor-digital-to-analog-converter for improved noise reduction
11/07/2000US6144330 Low power ramp generator for use in single slope A/D