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)
09/2003
09/09/2003US6617911 Reducing output capacitance of digital-to-time domain converter for very high frequency digital waveform synthesis
09/09/2003US6617899 Ultra high speed clocked analog latch
09/04/2003WO2003073677A2 Sample synthesis for matching digitizers in interleaved systems
09/04/2003WO2002084880A3 Feedback a/d- or d/a-converter with reduced current consumption
09/04/2003WO2001069790A3 Low power analog-to-digital converter
09/04/2003US20030164812 Offset compensating apparatus and method of digital/analog converter
09/04/2003US20030164786 Programmable architecture analog-to-digital converter
09/04/2003US20030164785 Device and method for the acquisition and automatic processing of data obtained from optical codes
09/04/2003US20030164784 System and method for noise approximation
09/04/2003US20030164783 Multi-channel A/D converter and system using the same
09/03/2003EP1341312A1 Analog-digital converter and method for converting data of the same
09/03/2003EP1341311A2 Signal processing apparatus for encoder
09/03/2003EP1340370A2 Back-porch clamp
09/03/2003EP1210772B1 Method and device for integrated testing for an analog-to-digital converter
09/03/2003CN1440125A Array absolute coders
09/03/2003CN1120463C Driver circuit of electro-optical device, driving method, and electronic device
09/02/2003US6614849 Wireless infrared digital audio receiving system
09/02/2003US6614379 Precise differential voltage interpolation analog-to-digital converter having double interpolation using nonlinear resistors
09/02/2003US6614378 Sampling processing device and imaging apparatus using it
09/02/2003US6614377 Data-directed scrambler for noise-shaping mixed-signal converters with an arbitrary number of quantization levels
09/02/2003US6614376 D/A converter circuit and semiconductor device
09/02/2003US6614282 Clamp circuit for a semiconductor integrated circuit device
08/2003
08/28/2003WO2001091304A3 Method and apparatus for use in switched capacitor systems
08/28/2003US20030160716 Shared parallel digital-to-analog conversion
08/28/2003US20030160714 Analog-digital converter and method for converting data of the same
08/28/2003US20030160713 Piecewise linear calibration method and circuit to correct transfer function errors of digital to analog converters
08/28/2003US20030160641 Analog implementation of spread spectrum frequency modulation in a programmable phase locked loop (PLL) system
08/28/2003US20030160160 Signal processing apparatus for encoder
08/27/2003EP1339169A1 Method of calibrating an analog-to-digital converter and a circuit implementing the same
08/27/2003CN1119860C Filter device
08/26/2003US6611680 Radio architecture
08/26/2003US6611569 Down/up-conversion apparatus and method
08/26/2003US6611222 Low-complexity high-speed analog-to-digital converters
08/26/2003US6611221 Multi-bit sigma-delta modulator employing dynamic element matching using adaptively randomized data-weighted averaging
08/26/2003US6611164 Weighted mean calculation circuit
08/21/2003WO2003069782A2 An analog-to-digital converter, a current scaler and a method for controlling a function of the current scaler
08/21/2003WO2003069618A1 Recording/reproducing apparatus using reference oscillator for digital audio
08/21/2003WO2003009478A3 Dual analog-to-digital converter system for increased dynamic range
08/21/2003WO2002013392A3 Self-trimming current source and method for switched current source dac
08/21/2003US20030156667 Analog front end circuit
08/21/2003US20030156036 Sensor arrangement
08/21/2003US20030155903 Quantifying a difference between nodal voltages
08/21/2003US20030155484 Method and apparatus for light to frequency conversion
08/20/2003EP1337043A2 Failure detection in an analog-digital conversion function of a microcomputer
08/20/2003EP1336251A2 A radio receiver
08/20/2003EP0980601A4 Signal conditioning circuit including a combined adc/dac, sensor system, and method therefor
08/20/2003CN1437796A Method and apparatus of producing a digital depiction of a signal
08/20/2003CN1118941C D/A converter and delta-sigma modulator
08/19/2003US6608612 Selector and multilayer interconnection with reduced occupied area on substrate
08/19/2003US6608583 Analog signal input circuit in analog signal processing apparatus
08/19/2003US6608580 Differential analog-to-digital converter
08/19/2003US6608579 Digital-to-analog converting circuit giving linear relation between digital code and oscillation frequency of oscillator
08/19/2003US6608578 Current cell driving circuit in digital-to-analog converter
08/19/2003US6608577 Digital/analog converter including MOS transistor type current switches
08/19/2003US6608576 Pulse code modulation encoder for data acquisition
08/19/2003US6608573 Automatic resolution changing method and circuit for use in digital conversion of two-phase sinusoidal wave signals
08/19/2003US6608524 Automatic gain control circuit
08/19/2003US6608504 Sample-and-hold amplifier circuit and pipelined A/D and D/A converters using sample hold amplification circuit
08/19/2003US6607442 Operating apparatus and signal-output-modulating method for the same
08/14/2003WO2003067774A1 Semiconductor integrated circuit for radio apparatus and radio communication apparatus
08/14/2003WO2003067764A1 Ad conversion apparatus and method
08/14/2003WO2003039005A3 High-resolution digital-to-analog converter
08/14/2003US20030154045 System and method of DC calibration of amplifiers
08/14/2003US20030151567 Organic EL drive circuit and organic EL display device using the same
08/14/2003US20030151537 Digital-analog converter
08/14/2003US20030151536 Digital-to-analog-converter
08/14/2003US20030151533 Digital-to-analog converter switching circuitry
08/14/2003US20030151532 Calibration of resistor ladder using difference measurement and parallel resistive correction
08/14/2003US20030151528 Data-directed scrambler for noise-shaping mixed-signal converters with an arbitrary number of quantization levels
08/14/2003US20030151430 Track and hold with dual pump circuit
08/13/2003EP1335493A1 Reduction of sensitivity for spikes in integrated circuits
08/13/2003EP1206840B1 Method and device for coding/decoding
08/13/2003CN1436403A Programmable gain amplifier for use in data network
08/13/2003CN1435949A Multi-channel analog/digital converter and system using same
08/13/2003CN1118160C Spread spectrum transmitter and communication method thereof
08/13/2003CN1118139C High-speed and high-accuracy A/D converter
08/13/2003CN1118138C A/D converter
08/13/2003CN1118007C Digital data level control circuit
08/12/2003US6606123 Photosensitive device
08/12/2003US6606049 Analog to digital converters based on transconveyance amplifiers
08/12/2003US6606048 Method and apparatus for equalizing the digital performance of multiple ADC's
08/12/2003US6606047 Methods and apparatus for estimating clipped samples during analog to digital conversion
08/12/2003US6606046 Method and apparatus for digital-to-analog conversion with an effective pulse width modulation
08/12/2003US6606045 Digital analog converter and electronic device using the same
08/12/2003US6606044 Method and apparatus for generating a pulse width modulated signal
08/12/2003US6606042 True background calibration of pipelined analog digital converters
08/12/2003US6606036 Apparatus and method for sensing rotary switch handling direction of monitor
08/07/2003WO2003065589A1 Analog-digital conversion apparatus
08/07/2003WO2003065588A1 Analog unit system
08/07/2003WO2003065587A2 Circuit with a digital to analog converter
08/07/2003WO2003065057A1 Signal processing circuit for an optical sensor
08/07/2003WO2002047273A3 Analog-to-digital converter and method for converting an analog signal into a digital signal
08/07/2003US20030146863 A/D converter calibration
08/07/2003US20030146861 Method of calibrating an analog-to-digital converter and a circuit implementing the same
08/07/2003US20030146855 Methods and systems for start code emulation prevention and data stuffing
08/07/2003US20030145479 Scale and position measuring system for absolute position determination
08/06/2003EP1333582A2 Averaging amplifier array
08/06/2003EP1333347A1 A method and device for determining a rotary orientation of a motor through feeding a resolver signal derived from the rotary orientation to a single control system that is used both for triggering and for evaluating the resolver signal, and a motor vehicle provided with such device
08/06/2003EP1332558A1 Method and apparatus for analog-to-digital conversion
08/06/2003EP1332555A1 Analog-to-digital and digital-to-analog converter
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