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Class Information
Number: 341/150
Name: Coded data generation or conversion > Analog to or from digital conversion > Digital to analog conversion > Using charge coupled devices or switched capacitances
Description: Subject matter where there is a digital to analog converter using devices or circuits through which there is a sequential transfer of electric charges.

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8659459 Digital-to-analog converter, analog-to-digital converter including same, and semiconductor device Feb. 25, 2014
8653998 D/A conversion circuit, A/D conversion circuit and electronic apparatus Feb. 18, 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
8619013 Digital-analog converter, data driver, and flat panel display device using the same Dec. 31, 2013
8593320 Analog conversion of pulse width modulated signals Nov. 26, 2013
8581769 Multiplying digital-to-analog converter configured to maintain impedance balancing Nov. 12, 2013
8570205 Analog to digital converter with leakage current correction circuit Oct. 29, 2013
8552897 Reference circuit suitable for use with an analog to digital converter and an analog to digital converter including such a reference circuit Oct. 8, 2013
8547261 Calibration device for mobile terminal and ADC module thereof Oct. 1, 2013
8537041 Interpolation-based digital pre-distortion architecture Sep. 17, 2013
8537045 Pre-charged capacitive digital-to-analog converter Sep. 17, 2013
8514117 Excess loop delay compensation for a continuous time sigma delta modulator Aug. 20, 2013
8456348 SAR ADC capable of reducing energy consumption Jun. 4, 2013
8456343 Switched capacitor type D/A converter Jun. 4, 2013
8456342 Switch sequencing for code-range-specific linearity improvement in digital-to-analog converters Jun. 4, 2013
8421784 Display Apr. 16, 2013
8400339 Correlated-level-shifting and correlated-double-sampling switched-capacitor gain stages, systems implementing the gain stages, and methods of their operation Mar. 19, 2013
8400382 D/A converter circuit, liquid crystal driving circuit, and liquid crystal device Mar. 19, 2013
8378863 Analog-to-digital converter and correction method thereof Feb. 19, 2013
8368577 A/D converter Feb. 5, 2013
8344923 Power digital-analog-converter with switched capacitor voltage division Jan. 1, 2013
8344922 Digital-to-analog converter with code independent output capacitance Jan. 1, 2013
8339299 2-phase gain calibration and scaling scheme for switched capacitor sigma-delta modulator using a chopper voltage reference Dec. 25, 2012
8305136 Switchable capacitive element with improved quality factor, and method of production Nov. 6, 2012
8305246 Amplifier with digital input and digital PWM control loop Nov. 6, 2012
8284089 Cyclic digital-to-analog converter (DAC) with capacitor swapping Oct. 9, 2012
8238845 Radio frequency circuit Aug. 7, 2012
8223056 Cyclic digital to analog converter Jul. 17, 2012
8217819 Multiplying DAC and a method thereof Jul. 10, 2012
8199043 Comparator based asynchronous binary search A/D converter Jun. 12, 2012
8193960 Output apparatus and test apparatus Jun. 5, 2012
8149152 Capacitor based digital to analog converter layout design for high speed analog to digital converter Apr. 3, 2012
8106803 Discharge digital-to-analog converter Jan. 31, 2012
8059021 Digital-analog converting apparatus and test apparatus Nov. 15, 2011
8059022 Digital-to-analog converter Nov. 15, 2011
8035542 Digital-to-analog converter and successive approximation type analog-to-digital converter including the same Oct. 11, 2011
8031099 Analog/digital or digital/analog conversion system having improved linearity Oct. 4, 2011
8022852 Digital-analog converter circuit Sep. 20, 2011
8022856 Successive approximation type A/D converter, method of controlling successive approximation type A/D converter, solid-state imaging device, and imaging apparatus Sep. 20, 2011
8013769 Digital-to-analog converter and method of digital-to-analog conversion Sep. 6, 2011
8009074 Digital-to-analog converter and code mapping method applied to the digital-to-analog converter Aug. 30, 2011
8004449 Charge redistribution digital-to-analog converter, and successive approximation register analog-to-digital converter having the same Aug. 23, 2011
7994958 Multi-level feed-back digital-to-analog converter using a chopper voltage reference for a switched capacitor sigma-delta analog-to-digital converter Aug. 9, 2011
7982520 Signal generating apparatus and test apparatus Jul. 19, 2011
7974363 Receiver, receiving method, filter circuit, and control method Jul. 5, 2011
7969342 Differential amplifier and data driver employing the differential amplifier Jun. 28, 2011
7916057 Complex-admittance digital-to-analog converter Mar. 29, 2011
7911370 Pipeline analog-to-digital converter with programmable gain function Mar. 22, 2011
7855670 A-to-D converter Dec. 21, 2010
7830290 Switched capacitor digital-to-analog converter Nov. 9, 2010

1 2 3 4 5 6 7 8

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