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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619553 |
Digital-to-analogue converter |
Nov. 17, 2009 |
| 7616145 |
Reference circuits for sampled-data circuits |
Nov. 10, 2009 |
| 7609184 |
D-A convert apparatus and A-D convert apparatus |
Oct. 27, 2009 |
| 7593483 |
Nonlinear mapping in digital-to-analog and analog-to-digital converters |
Sep. 22, 2009 |
| 7592940 |
Digital-to-analog converter and digital-to-analog conversion method thereof |
Sep. 22, 2009 |
| 7583217 |
Switched capacitor type D/A converter, and drive circuit for liquid crystal display |
Sep. 1, 2009 |
| 7576675 |
Return-to-zero current-steering DAC with clock-to-output isolation |
Aug. 18, 2009 |
| 7567196 |
Method of controlling digital-to-analog conversion |
Jul. 28, 2009 |
| 7564393 |
Digital to analog converter and method for digital to analog conversion |
Jul. 21, 2009 |
| 7561089 |
Digital to analogue conversion |
Jul. 14, 2009 |
| 7551113 |
Cyclic digital to analog converter in pipeline structure |
Jun. 23, 2009 |
| 7539348 |
Digital map shape vector encoding method and position information transfer method |
May. 26, 2009 |
| 7525467 |
System for displaying image and digital-to-analog converting method |
Apr. 28, 2009 |
| 7522086 |
Reference circuits for sampled-data circuits |
Apr. 21, 2009 |
| 7495594 |
D/A converter and liquid crystal display device |
Feb. 24, 2009 |
| 7492297 |
Digital-to-analog converter and method thereof |
Feb. 17, 2009 |
| 7492298 |
System having a signal converter device and method of operating |
Feb. 17, 2009 |
| 7473955 |
Fabricated cylinder capacitor for a digital-to-analog converter |
Jan. 6, 2009 |
| 7456769 |
Reference voltage generating circuit |
Nov. 25, 2008 |
| 7456462 |
Fabricated U-shaped capacitor for a digital-to-analog converter |
Nov. 25, 2008 |
| 7453387 |
Pulse width modulation in digital power amplifier |
Nov. 18, 2008 |
| 7450041 |
Error cancelling comparator based switch capacitor circuit and method thereof |
Nov. 11, 2008 |
| 7446365 |
Fabricated layered capacitor for a digital-to-analog converter |
Nov. 4, 2008 |
| 7443329 |
Capacitive digital to analog and analog to digital converters |
Oct. 28, 2008 |
| 7439896 |
Capacitive digital to analog and analog to digital converters |
Oct. 21, 2008 |
| 7436341 |
Digital/analog converting apparatus and digital/analog converter thereof |
Oct. 14, 2008 |
| 7425913 |
Bit-adjacency capacitor-switched DAC, method, driver and display device |
Sep. 16, 2008 |
| 7423573 |
Architecture combining a continuous-time stage with a switched-capacitor stage for digital-to-analog converters and low-pass filters |
Sep. 9, 2008 |
| 7403147 |
Precision capacitor array |
Jul. 22, 2008 |
| 7403148 |
Methods and apparatus to balance reference settling in switched-capacitor pipelined digital to analog converter |
Jul. 22, 2008 |
| 7388533 |
Multi-bit sigma-delta modulator and digital-to-analog converter with one digital-to-analog capacitor |
Jun. 17, 2008 |
| 7355542 |
Polarization switching digital to analog converter and method |
Apr. 8, 2008 |
| 7355543 |
Digital-to-analog converter using capacitors and operational amplifier |
Apr. 8, 2008 |
| 7352314 |
Digital-to-analog converter circuit |
Apr. 1, 2008 |
| 7342526 |
Digital-to-analog converter using plural transistors having the same operating characteristics |
Mar. 11, 2008 |
| 7324034 |
Methods and apparatus to balance reference settling in switched-capacitor pipelined digital to analog converter |
Jan. 29, 2008 |
| 7319421 |
Foldback free capacitance-to-digital modulator |
Jan. 15, 2008 |
| 7319423 |
Multi-mode ADC and its application to CMOS image sensors |
Jan. 15, 2008 |
| 7283077 |
Divide-add circuit and high-resolution digital-to-analog converter using the same |
Oct. 16, 2007 |
| 7268718 |
Capacitor-based digital-to-analog converter for low voltage applications |
Sep. 11, 2007 |
| 7250886 |
Sigma-delta modulator |
Jul. 31, 2007 |
| 7242331 |
Error averaging comparator based switch capacitor circuit and method thereof |
Jul. 10, 2007 |
| 7236113 |
Capacitance-to-digital modulator with sensor failure-mode detection |
Jun. 26, 2007 |
| 7236116 |
Reconfigurable switched-capacitor input circuit with digital-stimulus acceptability for analog tests |
Jun. 26, 2007 |
| 7227486 |
Switched capacitor circuit type digital/analog converter capable of suppressing change of setting error |
Jun. 5, 2007 |
| 7218259 |
Analog-to-digital converter with signal-to-noise ratio enhancement |
May. 15, 2007 |
| 7199740 |
Method and apparatus for use in switched capacitor systems |
Apr. 3, 2007 |
| 7199743 |
Cyclic digital to analog converter |
Apr. 3, 2007 |
| 7173554 |
Method and a digital-to-analog converter for converting a time varying digital input signal |
Feb. 6, 2007 |
| 7167119 |
Delta-sigma modulators with double sampling input networks and systems using the same |
Jan. 23, 2007 |
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