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Class Information
Number: 341/169
Name: Coded data generation or conversion > Analog to or from digital conversion > Analog to digital conversion > Intermediate conversion to time interval > Input signal compared with linear ramp
Description: Subject matter where the input analog signal is compared with a linearly increasing signal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7379011 |
Lossless nonlinear analog gain controller in image sensor and manufacturing method thereof |
May. 27, 2008 |
| 7345613 |
Image processing circuit, imaging circuit, and electronic device |
Mar. 18, 2008 |
| 7319424 |
Measuring and correcting non-linearity of an internal multi-bit analog-to-digital converter in a delta-sigma analog-to-digital converter |
Jan. 15, 2008 |
| 7304599 |
Analog-to-digital converter with reduced power consumption in CMOS image sensor |
Dec. 4, 2007 |
| 7256724 |
Image sensor including variable ramping slope and method |
Aug. 14, 2007 |
| 7250897 |
CMOS image sensor capable of performing analog correlated double sampling |
Jul. 31, 2007 |
| 7233277 |
Image pick-up semiconductor device capable of testing operating characteristics of an analog-digital converter thereof |
Jun. 19, 2007 |
| 7227479 |
Digital background calibration for time-interlaced analog-to-digital converters |
Jun. 5, 2007 |
| 7218265 |
CMOS image capture device with self-correcting gain characteristic |
May. 15, 2007 |
| 7095355 |
Low power ADC for imaging arrays |
Aug. 22, 2006 |
| 7078960 |
Method and system for filter tuning using a digital trim value |
Jul. 18, 2006 |
| 7075474 |
Ramp waveform generation circuit, analog/digital conversion circuit, imaging device and control method of imaging device |
Jul. 11, 2006 |
| 7009538 |
High-speed DAC linearity measurement |
Mar. 7, 2006 |
| 6937279 |
Apparatus for converting analog image data into digital image data in CMOS image sensor |
Aug. 30, 2005 |
| 6927721 |
Low power A/D converter |
Aug. 9, 2005 |
| 6891111 |
Signal processing in a vehicle classification system |
May. 10, 2005 |
| 6885331 |
Ramp generation with capacitors |
Apr. 26, 2005 |
| 6831586 |
Comparator circuit and method of operating a comparator circuit |
Dec. 14, 2004 |
| 6831588 |
Range recognizer employing a single range internally partitioned by monotonically increasing boundary values |
Dec. 14, 2004 |
| 6717540 |
Signal preconditioning for analog-to-digital conversion with timestamps |
Apr. 6, 2004 |
| 6707410 |
Digital pixel sensor with a dynamic comparator having reduced threshold voltage sensitivity |
Mar. 16, 2004 |
| 6677880 |
Chopper type voltage comparator and analog/digital converter using the same |
Jan. 13, 2004 |
| 6633335 |
CMOS image sensor with testing circuit for verifying operation thereof |
Oct. 14, 2003 |
| 6621442 |
Analog-to-digital conversion with piece-wise non-linear reference waveforms |
Sep. 16, 2003 |
| 6617993 |
Analog to digital converter using asynchronously swept thermometer codes |
Sep. 9, 2003 |
| 6545624 |
Image sensor with analog-to-digital converter that generates a variable slope ramp signal |
Apr. 8, 2003 |
| 6538593 |
Method and apparatus for converting a low dynamic range analog signal to a large dynamic range floating-point digital representation |
Mar. 25, 2003 |
| 6518909 |
Analog-to-digital converter with multiplexed input channels |
Feb. 11, 2003 |
| 6518900 |
Circuit configuration for testing and A/D converter for applications that are critical in terms of safety |
Feb. 11, 2003 |
| 6369737 |
Method and apparatus for converting a low dynamic range analog signal to a large dynamic range floating-point digital representation |
Apr. 9, 2002 |
| 6362767 |
Methods for simultaneous analog-to-digital conversion and multiplication |
Mar. 26, 2002 |
| 6346907 |
Analog-to-digital converter having voltage to-time converter and time digitizer, and method for using same |
Feb. 12, 2002 |
| 6310571 |
Multiplexed multi-channel bit serial analog-to-digital converter |
Oct. 30, 2001 |
| 6285310 |
Integrating analog/digital converter |
Sep. 4, 2001 |
| 6271785 |
CMOS imager with an A/D per pixel convertor |
Aug. 7, 2001 |
| 6225937 |
Metastability resolved monolithic analog-to-digital converter |
May. 1, 2001 |
| 6137432 |
Low-power column parallel ADC in CMOS image sensors |
Oct. 24, 2000 |
| 5963044 |
Method for acquiring measured values by comparison with a stepped ramp voltage |
Oct. 5, 1999 |
| 5870078 |
Reduced cost pointing stick circuit |
Feb. 9, 1999 |
| 5781142 |
Method and apparatus for converting an analog measurement signal to a digital signal having reduced conversion error |
Jul. 14, 1998 |
| 5652586 |
Charge integrating-type analog to digital converter employing rapid charge neutralization and N-bit feedback |
Jul. 29, 1997 |
| 5457458 |
High resolution analog current-to-frequency converter |
Oct. 10, 1995 |
| 5321404 |
Ripsaw analog-to-digital converter and method |
Jun. 14, 1994 |
| 5173698 |
Flash analog-to-digital converter with integrating input stage |
Dec. 22, 1992 |
| 5126742 |
Analog to digital converter with double folding interpolation circuitry |
Jun. 30, 1992 |
| 5084704 |
Focal plane analog-to-digital converter |
Jan. 28, 1992 |
| 5054086 |
Binary system for generating sound |
Oct. 1, 1991 |
| 4940982 |
High speed integrating analog-to-digital converter |
Jul. 10, 1990 |
| 4931797 |
Folding circuit and serial-type A/D converter |
Jun. 5, 1990 |
| 4901079 |
Analog-digital converter |
Feb. 13, 1990 |
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