IN2013CH00509A - - Google Patents
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- Publication number
- IN2013CH00509A IN2013CH00509A IN509CH2013A IN2013CH00509A IN 2013CH00509 A IN2013CH00509 A IN 2013CH00509A IN 509CH2013 A IN509CH2013 A IN 509CH2013A IN 2013CH00509 A IN2013CH00509 A IN 2013CH00509A
- Authority
- IN
- India
- Prior art keywords
- signal
- comparator
- pixel
- conversion unit
- input
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/80—Constructional details of image sensors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
- H03M1/186—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedforward mode, i.e. by determining the range to be selected directly from the input signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
- H04N25/77—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components
- H04N25/772—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising A/D, V/T, V/F, I/T or I/F converters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
- H04N25/78—Readout circuits for addressed sensors, e.g. output amplifiers or A/D converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/1205—Multiplexed conversion systems
- H03M1/123—Simultaneous, i.e. using one converter per channel but with common control or reference circuits for multiple converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/50—Analogue/digital converters with intermediate conversion to time interval
- H03M1/56—Input signal compared with linear ramp
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Analogue/Digital Conversion (AREA)
- Facsimile Image Signal Circuits (AREA)
Abstract
An image sensor comprises plural sets of a unit pixel outputting a pixel signal based on an electric charge generated through photoelectric conversion and a conversion unit converting the pixel signal into a digital signal. A reference signal source generates reference signals and supplies the generated reference signals to the conversion unit through signal lines. The conversion unit of each set comprises a comparator which compares the level of the reference signal with that of the pixel signal, a count circuit which counts a clock based on the comparison processing, a selection circuit which selects, among the signal lines, a signal line to be selectively connected to the input of the comparator, and a switch which selectively connects the selected signal line to the input of the comparator, and selectively connects a load to an unselected one of the signal lines. (FIG. 1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012026422 | 2012-02-09 | ||
JP2013005708A JP5893573B2 (en) | 2012-02-09 | 2013-01-16 | Solid-state imaging device |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2013CH00509A true IN2013CH00509A (en) | 2015-07-31 |
Family
ID=47844061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN509CH2013 IN2013CH00509A (en) | 2012-02-09 | 2013-02-06 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9159750B2 (en) |
EP (1) | EP2627078B1 (en) |
JP (1) | JP5893573B2 (en) |
CN (1) | CN103248842B (en) |
IN (1) | IN2013CH00509A (en) |
RU (1) | RU2546554C2 (en) |
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US9838637B2 (en) | 2015-10-21 | 2017-12-05 | Canon Kabushiki Kaisha | Solid-state image sensor, method of controlling the same, image sensing system, and camera |
JP6674224B2 (en) | 2015-10-22 | 2020-04-01 | キヤノン株式会社 | Solid-state imaging device |
EP3371968B1 (en) | 2015-11-06 | 2022-03-09 | ams Sensors Belgium BVBA | Analog-to-digital conversion and method of analog-to-digital conversion |
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JP6661396B2 (en) | 2016-01-29 | 2020-03-11 | キヤノン株式会社 | Semiconductor devices and electronic equipment |
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US10401942B2 (en) * | 2017-02-22 | 2019-09-03 | Ambiq Micro Inc. | Reference voltage sub-system allowing fast power up from extended periods of ultra-low power standby mode |
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JP4720310B2 (en) * | 2005-06-17 | 2011-07-13 | ソニー株式会社 | Solid-state imaging device, AD conversion method in solid-state imaging device, and imaging device |
JP4524652B2 (en) | 2005-07-06 | 2010-08-18 | ソニー株式会社 | AD converter and semiconductor device |
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JP2008182516A (en) | 2007-01-25 | 2008-08-07 | Fujitsu Ltd | Interface circuit and semiconductor integrated circuit |
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CN103119928B (en) | 2010-09-30 | 2016-05-25 | 佳能株式会社 | Solid state image pickup device |
JP5791338B2 (en) | 2011-04-07 | 2015-10-07 | キヤノン株式会社 | Solid-state imaging device and driving method thereof |
JP5808162B2 (en) | 2011-06-23 | 2015-11-10 | キヤノン株式会社 | Imaging device, imaging apparatus, and driving method of imaging device |
JP5978771B2 (en) * | 2012-05-31 | 2016-08-24 | ソニー株式会社 | Signal processing apparatus and method, imaging device, and imaging apparatus |
-
2013
- 2013-01-16 JP JP2013005708A patent/JP5893573B2/en active Active
- 2013-02-01 US US13/757,422 patent/US9159750B2/en active Active
- 2013-02-01 RU RU2013104449/08A patent/RU2546554C2/en active
- 2013-02-06 IN IN509CH2013 patent/IN2013CH00509A/en unknown
- 2013-02-06 EP EP13154150.0A patent/EP2627078B1/en not_active Not-in-force
- 2013-02-08 CN CN201310049957.0A patent/CN103248842B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2627078A2 (en) | 2013-08-14 |
CN103248842A (en) | 2013-08-14 |
JP2013179577A (en) | 2013-09-09 |
EP2627078A3 (en) | 2016-09-07 |
US20130206961A1 (en) | 2013-08-15 |
US9159750B2 (en) | 2015-10-13 |
EP2627078B1 (en) | 2018-11-07 |
RU2546554C2 (en) | 2015-04-10 |
JP5893573B2 (en) | 2016-03-23 |
RU2013104449A (en) | 2014-08-10 |
CN103248842B (en) | 2016-06-22 |
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