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Class Information
Number: 341/144
Name: Coded data generation or conversion > Analog to or from digital conversion > Digital to analog conversion
Description: Subject matter wherein information represented by a coded digital signal is converted to a form wherein the information is contained in the amplitude of an electrical signal.

Sub-classes under this class:

Class Number Class Name Patents
341/151 Analog output represents a displacement or force 19
341/145 Coarse and fine conversions 500
341/147 Function generator 90
341/146 Serial conversion 49
341/148 Tree structure 65
341/150 Using charge coupled devices or switched capacitances 374
341/154 Using ladder network 482
341/149 Using magnetic or cryogenic components 14
341/153 Using weighted impedances 221
341/152 With intermediate conversion of digital value to time interval 216

Patents under this class:

Patent Number Title Of Patent Date Issued
8711980 Receiver with feedback continuous-time delta-sigma modulator with current-mode input Apr. 29, 2014
8711023 Analog-to-digital converter control using signal objects Apr. 29, 2014
8711022 Resistor-2 resistor (R-2R) digital-to-analog converter with resistor network reversal Apr. 29, 2014
8711021 Digital-to-analog converter and performing method thereof Apr. 29, 2014
8704692 Digital to analog converter Apr. 22, 2014
8704606 Mixer cell, modulator and method Apr. 22, 2014
8692701 Pipelined A/D converter circuit provided with A/D converter circuit parts of stages each including precharge circuit Apr. 8, 2014
8686887 NFC transceiver with current converter Apr. 1, 2014
8686884 Testing of digital to analog converters in serial interfaces Apr. 1, 2014
8682264 Digital-to-analog converter and wireless communication apparatus Mar. 25, 2014
8681031 D/A converter Mar. 25, 2014
8674867 Capacitive radio-frequency digital-to-analog converter with a switched load Mar. 18, 2014
8674866 Interleaved return-to-zero, high performance digital-to-analog converter Mar. 18, 2014
8674865 DA converter, AD converter, and semiconductor device Mar. 18, 2014
8669892 Digital-to-analog converter resolution enhancement using circular buffer Mar. 11, 2014
8669856 Method to calibrate digital speedometer display to meter speedometer display Mar. 11, 2014
8665125 Electronic device and method for measuring differential non-linearity (DNL) of an SAR ADC Mar. 4, 2014
8659459 Digital-to-analog converter, analog-to-digital converter including same, and semiconductor device Feb. 25, 2014
8659458 Multiple return-to-zero current switching digital-to-analog converter for RF signal generation Feb. 25, 2014
8653999 Current steering DAC, a video adapter including a current steering DAC, and a video circuit including a current steering DAC Feb. 18, 2014
8653998 D/A conversion circuit, A/D conversion circuit and electronic apparatus Feb. 18, 2014
8653995 Compensation of nonlinearity of single ended digital to analog converters Feb. 18, 2014
8643527 Switched-capacitor MDAC with common-mode hop regulation Feb. 4, 2014
8643525 Multiple output dynamic element matching algorithm with mismatch noise shaping for digital to analog converters Feb. 4, 2014
8643521 Digital-to-analog converter with greater output resistance Feb. 4, 2014
8643520 Digital-to-analog converter (DAC) current cell with shadow differential transistors for output impedance compensation Feb. 4, 2014
8638251 Delay compensation for sigma delta modulator Jan. 28, 2014
8638250 Amplifier, fully-differential amplifier and delta-sigma modulator Jan. 28, 2014
8629794 Integrated circuit and system including current-based communication Jan. 14, 2014
8624991 Image pickup apparatus for reading a signal from a panel detector Jan. 7, 2014
8624766 Method and system for auto-ranging analog-to-digital converter for current sensing Jan. 7, 2014
8619013 Digital-analog converter, data driver, and flat panel display device using the same Dec. 31, 2013
8618975 Multi-bit successive approximation ADC Dec. 31, 2013
8618971 Signal level shift circuit and method for dual resistor ladder digital-to-analog converters Dec. 31, 2013
8618970 DA conversion device and electron beam exposure system using the same Dec. 31, 2013
8618969 Low complexity high-speed multi-DAC system Dec. 31, 2013
8618968 Dual digital to analog converters (DACs) with codeword parsing Dec. 31, 2013
8614639 Integrator ramp generator with DAC and switched capacitors Dec. 24, 2013
8610658 Circuitry and method for reducing power consumption in gamma correction circuitry Dec. 17, 2013
8610612 Tree structured supply and bias distribution layout Dec. 17, 2013
8610609 NMOS buffer for high-speed low-resolution current steering digital-to-analog converters Dec. 17, 2013
8604959 Multi-phased digital-to-analog converters for interpolation Dec. 10, 2013
8604958 RF DAC with configurable DAC mixer interface and configurable mixer Dec. 10, 2013
8604955 Filter, and transmitter and receiver having the same Dec. 10, 2013
8599057 Digital-to-analog converter Dec. 3, 2013
8599056 Digital-to-analog converter Dec. 3, 2013
8599055 Digital-to-analog converter Dec. 3, 2013
8593320 Analog conversion of pulse width modulated signals Nov. 26, 2013
8593316 Combined digital output system Nov. 26, 2013
8593314 A/D conversion circuit, integrated circuit device, electronic apparatus Nov. 26, 2013

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