Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
12/2004
12/22/2004EP1489387A1 Interpolation method for high resolution angular encoder and corresponding optical encoder
12/22/2004CN2665987Y USB power amplification loudspeaker connecting device
12/22/2004CN1557081A Anti-interference information transmission method
12/22/2004CN1557051A High-speed sample-and-hold circuit with gain
12/21/2004US6834244 Resolver phase calibration system and method
12/21/2004US6833803 Methods and apparatus for analog-to-digital conversion
12/21/2004US6833802 Controllable electrical resistor
12/21/2004US6833801 Low distortion current switches for high speed current steering digital-to-analog converters
12/21/2004US6833800 Differential comparator systems with enhanced dynamic range
12/21/2004CA2236385C Self-calibration of an oscilloscope using a square-wave test signal
12/16/2004WO2004109929A2 High speed digital to analog converter
12/16/2004US20040254754 Analog to digital converter circuit
12/16/2004US20040252780 Noiseless data transmission method
12/16/2004US20040252044 Channelized analog-to-digital converter
12/16/2004US20040252043 Signal-conditioning and analog-to-digital conversion circuit architecture
12/16/2004US20040252042 Computer program product for mismatched shaping of an oversampled converter
12/16/2004US20040252041 Shuffler apparatus and related dynamic element matching technique for linearization of unit-element digital-to-analog converters
12/16/2004US20040252040 Circuit, display device, and electronic device
12/16/2004US20040252037 D/A converting device with offset compensation function and offset compensation method for D/A converting device
12/16/2004US20040251484 Semiconductor integrated circuit device
12/16/2004US20040251397 Pseudorandom assignment between elements of the image processor and the A/D converter cells
12/16/2004DE102004026156A1 A/D-Umsetzverfahren und -gerät A / D conversion method and apparatus
12/16/2004DE102004024210A1 Monolithische Halbleitereinrichtung, fähig zum Unterdrücken von Fehlanpassungen zwischen Wiederholungszellen Monolithic semiconductor device capable of suppressing mismatches between repetitive cells
12/15/2004EP1487110A1 D/A converting device with offset compensation function and offset compensation method for D/A converting device
12/15/2004EP1486003A2 Method and apparatus for use in switched capacitor systems
12/15/2004EP1486002A1 Method and apparatus for analog-to-digital conversion
12/15/2004EP1486001A2 Sample synthesis for matching digitizers in interleaved systems
12/15/2004EP1485192A2 High dynamic range analog-to-digital converter
12/15/2004CN1180593C Analog-digital hybrid circuit of fast Fourier transform and inverse transform and application in communication system thereof
12/15/2004CN1180592C Analog-digital hybrid circuit of fast Fourier transform and inverse transform and application in communication system thereof
12/14/2004US6831587 Priority encoding
12/14/2004US6831585 Distributed averaging analog to digital converter topology
12/14/2004US6831584 High-speed low-distortion analog-to digital converter
12/14/2004US6831581 Digital-to-analog converter arrangement with an array of unary digital-to-analog converting elements usable for different signal types
12/14/2004US6831580 Digital-to-analog converter with linear amplification rate
12/14/2004US6831577 Sigma delta modulator having enlarged dynamic range due to stabilized signal swing
12/14/2004US6831576 A/D converter with improved resolution by sampling a superposed signal
12/14/2004US6831507 Transconductance amplifiers
12/09/2004WO2004107584A1 Method for resampling at transmission and reception of a digital signal with digital band translation
12/09/2004WO2004107583A1 Digital to analog converter having a low power semi-analog finite impulse response circuit
12/09/2004WO2004107076A1 Floating-gate reference circuit
12/09/2004US20040247109 Voice-data processing circuit and voice-data processing method
12/09/2004US20040246164 Common centroid layout for parallel resistors in an amplifier with matched AC performance
12/09/2004US20040246163 Noise cancellation in a single ended SAR converter
12/09/2004US20040246162 SAR data converter with unequal clock pulses for MSBS to allow for settleing
12/09/2004US20040246161 Open loop common mode driver for switched capacitor input to SAR
12/09/2004US20040246160 SAR analog-to-digital converter with two single ended inputs
12/09/2004US20040246159 High speed comparator with blocking switches for SAR convertor
12/09/2004US20040246158 High speed comparator for a SAR converter with resistor loading and resistor bias to control common mode bias
12/09/2004US20040246157 Analog input for an electronic circuit
12/09/2004US20040246156 Controllable electrical resistor
12/09/2004US20040246155 Digital to analog converter and signal converting method for the same
12/09/2004US20040246154 Device and method of fitted variable gain analog-digital conversion for an image sensor
12/09/2004US20040246153 Capacitor calibration in SAR converter
12/09/2004US20040245431 Device and methods for the acquisition and automatic processing of data obtained from optical codes
12/09/2004DE10323498A1 Electronic measurement circuit has compensation unit for compensating digitized measurement signal for uncertainties arising from variations in voltage supply amplitude
12/09/2004DE10320717A1 Plausibility testing circuit for testing for the correct operation of an analogue to digital converter in a safety-relevant application, by comparison of ADC inputs and outputs with reference signals
12/09/2004DE102004023313A1 Magnetischer Impulsgeber aus Gummi Magnetic pulse rubber
12/09/2004CA2527649A1 Method for resampling at transmission and reception of a digital signal with digital band translation
12/08/2004EP1484911A1 Adaptive redundant analog-to-digital conversion device and method for image sensor
12/08/2004EP1484910A1 Adaptive redundant analog-to-digital conversion device and method for image sensor
12/08/2004EP1256174B1 Method and device for analog/digital converting a signal including a low-frequency component
12/08/2004CN2662531Y Rotary speed control circuit for fan motor
12/08/2004CN1554149A Data signal amplifier with automatically controllable dynamic signal range
12/08/2004CN1553696A Phase adjusting method for video frequency signal analog digital conversion
12/08/2004CN1553578A Digital analog converter and method for decreasing peak signal
12/08/2004CN1553571A Pulse distance voltage converter and converting method thereof
12/08/2004CN1179485C Logarithmic A/D converter and its converting method, logarithmic D/A converter and its converting method, and system for measuring physical quality
12/08/2004CN1179484C Method and circuit for regulating signal level fed to analog-digital converter
12/08/2004CN1179409C Semiconductor device design method and apparatus
12/08/2004CN1179195C Disk-mounting structure for optical encoder
12/07/2004US6828927 Successive approximation analog-to-digital converter with pre-loaded SAR registers
12/07/2004CA2166172C Delta sigma analog-to-digital converter with temporally interleaved architecture
12/03/2004CA2468206A1 Device and method of fitted variable gain analog-digital conversion for an image sensor
12/02/2004WO2004105242A2 Method of estimating an intersection between at least two continuous signal representations
12/02/2004WO2004105233A1 Method of estimating an intersection between at least two continuous signal representations
12/02/2004US20040240918 Gain or input volume controller and method utilizing a modified R2R ladder network
12/02/2004US20040240662 Method and means for increasing inherent channel capacity for wired network
12/02/2004US20040240278 Floating-gate reference circuit
12/02/2004US20040239695 Digital/analog conversion device and display device having the same
12/02/2004US20040239547 Method and circuit for conforming an analog actual signal to a digital desired signal
12/02/2004US20040239546 A/d conversion method and apparatus
12/02/2004US20040239545 AFE device with adjustable bandwidth filtering functions
12/02/2004US20040239543 Digital-to-analog converter arrangement with an array of unary digital-to-analog converting elements usable for different signal types
12/02/2004US20040239539 Digital to analog converter including a ferroelectric non-volatile semiconductor memory, and method for converting digital data to analog data
12/02/2004US20040237757 System and method for representing playing of musical instruments
12/02/2004DE10320202A1 A/D-Wandleranordnung mit hoher Genauigkeit und Bandbreite A / D converter system with high accuracy and bandwidth
12/01/2004EP0978190B1 Direct digital access arrangement circuitry and method for connecting to phone lines
12/01/2004CN1552125A Low power cyclic A/D converter
12/01/2004CN1551506A Analog-to-digital converting circuit and image processing circuit cyclically repeating ad conversion
12/01/2004CN1551505A Versatile charge sampling circuits
12/01/2004CN1551348A Semiconductor integrated circuit device and audio appliance employing it
12/01/2004CN1178427C D/A converter and conversion method with compensation to reduce clock jitter
12/01/2004CN1178401C Receiver with sigma-delta analog-digital converter
11/2004
11/30/2004US6825887 Color component signal interface circuit
11/30/2004US6825790 Low power consumption pipelined analog-to-digital converter
11/30/2004US6825789 Dual path analog-to-digital conversion method and system
11/30/2004US6825788 Analog-to-digital and digital-to-analog converter with standby output signal
11/30/2004US6825787 Digital-to-analog converter and related method with ones complement current supply structure for simplifying control logic
11/30/2004US6825785 Digital expander apparatus and method for generating multiple analog control signals particularly useful for controlling a sub-varactor array of a voltage controlled oscillator