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Class Information
Number: 341/172
Name: Coded data generation or conversion > Analog to or from digital conversion > Analog to digital conversion > Using charge transfer devices (e.g., charge coupled devices, charge transfer by switched capacitances)
Description: Subject matter where there is an analog to digital 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 |
| 7616145 |
Reference circuits for sampled-data circuits |
Nov. 10, 2009 |
| 7612703 |
Pipelined analog-to-digital converter with calibration of capacitor mismatch and finite gain error |
Nov. 3, 2009 |
| 7612700 |
Pipeline type A/D converter apparatus provided with precharge circuit for precharging sampling capacitor |
Nov. 3, 2009 |
| 7609184 |
D-A convert apparatus and A-D convert apparatus |
Oct. 27, 2009 |
| 7605732 |
Systems and methods for kickback reduction in an ADC |
Oct. 20, 2009 |
| 7602325 |
Sigma delta analog to digital converter with internal synchronous demodulation |
Oct. 13, 2009 |
| 7598897 |
Superconductor analog-to-digital converter |
Oct. 6, 2009 |
| 7589660 |
Low power analog to digital converter |
Sep. 15, 2009 |
| 7589659 |
Successive approximation analog to digital converter |
Sep. 15, 2009 |
| 7583166 |
Inductor Q factor enhancement apparatus has bias circuit that is coupled to negative resistance generator for providing bias signal |
Sep. 1, 2009 |
| 7573413 |
Electronic circuit protecting against the effect of injection current and analog to digital conversion circuit |
Aug. 11, 2009 |
| 7570192 |
Charge-domain pipelined analog-to-digital converter |
Aug. 4, 2009 |
| 7561086 |
Electronic circuit for the analog-to-digital conversion of an analog input signal |
Jul. 14, 2009 |
| 7554480 |
Analog/digital converter, illuminance sensor, illumination device, and electronic device |
Jun. 30, 2009 |
| 7551116 |
Semiconductor integrated circuit performing a voltage comparison and preventing deterioration of a voltage comparison accuracy |
Jun. 23, 2009 |
| 7541964 |
Analogue/digital converter microelectronic device for equalising charges |
Jun. 2, 2009 |
| 7538710 |
Device for measuring an electric charge in digitized form |
May. 26, 2009 |
| 7535400 |
Analog error correction for a pipelined charge-domain A/D converter |
May. 19, 2009 |
| 7528761 |
Analog/digital conversion using successive approximation and redundant weighting |
May. 5, 2009 |
| 7522086 |
Reference circuits for sampled-data circuits |
Apr. 21, 2009 |
| 7518539 |
Concurrent correlated double sampling and analog-to-digital conversion |
Apr. 14, 2009 |
| 7511648 |
Integrating/SAR ADC and method with low integrator swing and low complexity |
Mar. 31, 2009 |
| 7504977 |
Hybrid delta-sigma/SAR analog to digital converter and methods for using such |
Mar. 17, 2009 |
| 7501974 |
Analog digital converter |
Mar. 10, 2009 |
| 7492296 |
Discrete-time programmable-gain analog-to-digital converter (ADC) input circuit with input signal and common-mode current nulling |
Feb. 17, 2009 |
| 7482966 |
Algorithm analog-to-digital converter |
Jan. 27, 2009 |
| 7479910 |
Capacitive digital-to-analog converter reset in an implantable medical device analog-to-digital converter |
Jan. 20, 2009 |
| 7477180 |
Noise shaping comparator based switch capacitor circuit and method thereof |
Jan. 13, 2009 |
| 7474241 |
Delta-sigma modulator provided with a charge sharing integrator |
Jan. 6, 2009 |
| 7454967 |
Signal conditioning methods and circuits for a capacitive sensing integrated tire pressure sensor |
Nov. 25, 2008 |
| 7453389 |
Correlated double sampling ping-pong architecture with reduced DAC capacitors |
Nov. 18, 2008 |
| 7450041 |
Error cancelling comparator based switch capacitor circuit and method thereof |
Nov. 11, 2008 |
| 7450048 |
Error reducing comparator-based switch capacitor circuit and method thereof |
Nov. 11, 2008 |
| 7446686 |
Incremental delta-sigma data converters with improved stability over wide input voltage ranges |
Nov. 4, 2008 |
| 7443333 |
Single stage cyclic analog to digital converter with variable resolution |
Oct. 28, 2008 |
| 7439889 |
AD converter |
Oct. 21, 2008 |
| 7439892 |
Variable voltage generator for delta-sigma modulators |
Oct. 21, 2008 |
| 7436344 |
Pipeline A/D converter |
Oct. 14, 2008 |
| 7436341 |
Digital/analog converting apparatus and digital/analog converter thereof |
Oct. 14, 2008 |
| 7429946 |
Capacitor averaging converter |
Sep. 30, 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 |
| 7414564 |
Enhanced-accuracy converter stages for pipelined signal converter systems |
Aug. 19, 2008 |
| 7414556 |
Analog-to-digital converter |
Aug. 19, 2008 |
| 7414560 |
Wireless communication system including an audio underflow protection mechanism operative with time domain isolation |
Aug. 19, 2008 |
| 7403150 |
Analog-to-digital converter architecture using a capacitor array structure |
Jul. 22, 2008 |
| 7403148 |
Methods and apparatus to balance reference settling in switched-capacitor pipelined digital to analog converter |
Jul. 22, 2008 |
| 7403151 |
Switch control circuit, .DELTA..SIGMA. modulation circuit, and .DELTA..SIGMA. modulation AD converter |
Jul. 22, 2008 |
| 7391354 |
Semiconductor integrated circuit |
Jun. 24, 2008 |
| 7385547 |
Minimized differential SAR-type column-wide ADC for CMOS image sensors |
Jun. 10, 2008 |
| 7382302 |
A/D converter with voltage generation circuits |
Jun. 3, 2008 |
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