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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 |
| 7403148 |
Methods and apparatus to balance reference settling in switched-capacitor pipelined digital to analog converter |
Jul. 22, 2008 |
| 7403150 |
Analog-to-digital converter architecture using a capacitor array structure |
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 |
| 7379012 |
Capacitive digital to analog and analog to digital converters |
May. 27, 2008 |
| 7375666 |
Feedback topology delta-sigma modulator having an AC-coupled feedback path |
May. 20, 2008 |
| 7372392 |
Charge balancing method in a current input ADC |
May. 13, 2008 |
| 7369080 |
Method and system for driver circuits of capacitive loads |
May. 6, 2008 |
| 7362253 |
Introduction to R2RC D/A converter |
Apr. 22, 2008 |
| 7362255 |
Chopping and oversampling ADC having reduced low frequency drift |
Apr. 22, 2008 |
| 7355539 |
Multi-bit ADC with sigma-delta modulation |
Apr. 8, 2008 |
| 7345615 |
Cyclic multi-bit A/D conversion array and image sensor |
Mar. 18, 2008 |
| 7339512 |
Analog-to-digital converter without track-and-hold |
Mar. 4, 2008 |
| 7336214 |
Analog to digital converter circuit with offset reduction and image sensor using the same |
Feb. 26, 2008 |
| 7333043 |
Active pixel array with matching analog-to-digital converters for image processing |
Feb. 19, 2008 |
| 7330145 |
Dual residue pipelined analog-to-digital converter |
Feb. 12, 2008 |
| 7324034 |
Methods and apparatus to balance reference settling in switched-capacitor pipelined digital to analog converter |
Jan. 29, 2008 |
| 7324029 |
Capacitance-to-digital interface circuit for differential pressure sensor |
Jan. 29, 2008 |
| 7324038 |
Subranging analog to digital converter with multi-phase clock timing |
Jan. 29, 2008 |
| 7319421 |
Foldback free capacitance-to-digital modulator |
Jan. 15, 2008 |
| 7319425 |
Comparator-based switched capacitor circuit for scaled semiconductor fabrication processes |
Jan. 15, 2008 |
| 7317480 |
Imaging apparatus providing black level compensation of a successive approximation A/D converter |
Jan. 8, 2008 |
| 7313380 |
Variable resolution A/D converter |
Dec. 25, 2007 |
| 7307572 |
Programmable dual input switched-capacitor gain stage |
Dec. 11, 2007 |
| 7301492 |
Controlled sampling module and method for use therewith |
Nov. 27, 2007 |
| 7295143 |
Semiconductor integrated circuit device |
Nov. 13, 2007 |
| 7292173 |
Digital-to-analog converter and method thereof |
Nov. 6, 2007 |
| 7286075 |
Analog to digital converter with dither |
Oct. 23, 2007 |
| 7280058 |
Mixed-signal system-on-a-chip analog signal direct interconnection through programmable logic control |
Oct. 9, 2007 |
| 7280066 |
Single-loop switched-capacitor analog-to-digital sigma-delta converter |
Oct. 9, 2007 |
| 7274321 |
Analog to digital converter |
Sep. 25, 2007 |
| 7271755 |
Resistor ladder interpolation for PGA and DAC |
Sep. 18, 2007 |
| 7271758 |
Gain adjust for SAR ADC |
Sep. 18, 2007 |
| 7265708 |
Analog-to-digital converter with interchangeable resolution and sample and hold amplifier channels |
Sep. 4, 2007 |
| 7259709 |
Pipeline A/D converter |
Aug. 21, 2007 |
| 7256725 |
Resistor ladder interpolation for subranging ADC |
Aug. 14, 2007 |
| 7253764 |
Reference voltage generating circuit |
Aug. 7, 2007 |
| 7245247 |
Analog to digital signal converter having sampling circuit with divided integrating capacitance |
Jul. 17, 2007 |
| 7242331 |
Error averaging comparator based switch capacitor circuit and method thereof |
Jul. 10, 2007 |
| 7236116 |
Reconfigurable switched-capacitor input circuit with digital-stimulus acceptability for analog tests |
Jun. 26, 2007 |
| 7230555 |
Sigma delta converter with flying capacitor input |
Jun. 12, 2007 |
| 7230561 |
Programmable integrating ramp generator and method of operating the same |
Jun. 12, 2007 |
| 7224306 |
Analog-to-digital converter in which settling time of amplifier circuit is reduced |
May. 29, 2007 |
| 7221306 |
System and method for measuring and presenting memory size of a universal remote control |
May. 22, 2007 |
| 7218259 |
Analog-to-digital converter with signal-to-noise ratio enhancement |
May. 15, 2007 |
| 7212145 |
Analog to digital converter with dither |
May. 1, 2007 |
| 7209060 |
Reducing variation in reference voltage when the load varies dynamically |
Apr. 24, 2007 |
| 7199746 |
Method for search and matching of capacitors for a digital to analog converter of an SAR analog to digital converter |
Apr. 3, 2007 |
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