JP6808564B2 - 信号処理装置及び方法、撮像素子、及び撮像装置 - Google Patents

信号処理装置及び方法、撮像素子、及び撮像装置 Download PDF

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Publication number
JP6808564B2
JP6808564B2 JP2017076819A JP2017076819A JP6808564B2 JP 6808564 B2 JP6808564 B2 JP 6808564B2 JP 2017076819 A JP2017076819 A JP 2017076819A JP 2017076819 A JP2017076819 A JP 2017076819A JP 6808564 B2 JP6808564 B2 JP 6808564B2
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Prior art keywords
signal
reference signal
level
analog
gain
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JP2017076819A
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Japanese (ja)
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JP2018182458A (ja
JP2018182458A5 (enExample
Inventor
槙子 齋藤
槙子 齋藤
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Canon Inc
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Canon Inc
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Priority to JP2017076819A priority Critical patent/JP6808564B2/ja
Priority to US15/944,203 priority patent/US10560653B2/en
Publication of JP2018182458A publication Critical patent/JP2018182458A/ja
Publication of JP2018182458A5 publication Critical patent/JP2018182458A5/ja
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    • 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
    • H03M1/181—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
    • H03M1/182—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values the feedback signal controlling the reference levels of the analogue/digital converter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/616—Noise processing, e.g. detecting, correcting, reducing or removing noise involving a correlated sampling function, e.g. correlated double sampling [CDS] or triple sampling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/65—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to reset noise, e.g. KTC noise related to CMOS structures by techniques other than CDS
    • 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
    • H04N25/778—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising amplifiers shared between a plurality of pixels, i.e. at least one part of the amplifier must be on the sensor array itself
    • 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
    • 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
    • H10F39/803—Pixels having integrated switching, control, storage or amplification elements
    • H10F39/8037—Pixels having integrated switching, control, storage or amplification elements the integrated elements comprising a transistor
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—Control of the SSIS exposure
    • H04N25/57—Control of the dynamic range

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
JP2017076819A 2017-04-07 2017-04-07 信号処理装置及び方法、撮像素子、及び撮像装置 Active JP6808564B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017076819A JP6808564B2 (ja) 2017-04-07 2017-04-07 信号処理装置及び方法、撮像素子、及び撮像装置
US15/944,203 US10560653B2 (en) 2017-04-07 2018-04-03 Image sensing apparatus and control method for performing analog-to-digital conversion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017076819A JP6808564B2 (ja) 2017-04-07 2017-04-07 信号処理装置及び方法、撮像素子、及び撮像装置

Publications (3)

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JP2018182458A JP2018182458A (ja) 2018-11-15
JP2018182458A5 JP2018182458A5 (enExample) 2020-05-28
JP6808564B2 true JP6808564B2 (ja) 2021-01-06

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JP (1) JP6808564B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6909050B2 (ja) 2017-05-18 2021-07-28 キヤノン株式会社 固体撮像素子及び撮像装置
JP7254576B2 (ja) * 2019-03-26 2023-04-10 キヤノン株式会社 光電変換装置、信号処理回路、撮像システム、移動体
US11776088B2 (en) * 2020-03-11 2023-10-03 Samsung Electronics Co., Ltd. Electronic device generating image data and converting the generated image data and operating method of the electronic device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4022862B2 (ja) 2002-06-11 2007-12-19 ソニー株式会社 固体撮像装置及びその制御方法
JP5219962B2 (ja) * 2009-08-13 2013-06-26 キヤノン株式会社 固体撮像素子、その駆動方法、及び撮像システム
JP5893573B2 (ja) * 2012-02-09 2016-03-23 キヤノン株式会社 固体撮像装置
JP5893550B2 (ja) * 2012-04-12 2016-03-23 キヤノン株式会社 撮像装置及び撮像システム
JP5978771B2 (ja) * 2012-05-31 2016-08-24 ソニー株式会社 信号処理装置および方法、撮像素子、並びに、撮像装置
JP5813067B2 (ja) * 2012-12-20 2015-11-17 キヤノン株式会社 撮像装置の駆動方法、デジタル信号の補正方法、撮像装置、撮像システムの駆動方法、撮像システム
JP6478467B2 (ja) 2013-03-28 2019-03-06 キヤノン株式会社 撮像装置、撮像装置の駆動方法、撮像システム
JP6413235B2 (ja) * 2013-12-06 2018-10-31 株式会社ニコン 撮像素子および撮像装置
JP6529352B2 (ja) * 2015-06-17 2019-06-12 キヤノン株式会社 撮像装置及び撮像システム
WO2017076748A1 (en) * 2015-11-06 2017-05-11 Cmosis Bvba Analog-to-digital conversion and method of analog-to-digital conversion
US10015429B2 (en) * 2015-12-30 2018-07-03 Omnivision Technologies, Inc. Method and system for reducing noise in an image sensor using a parallel multi-ramps merged comparator analog-to-digital converter

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JP2018182458A (ja) 2018-11-15
US20180295307A1 (en) 2018-10-11
US10560653B2 (en) 2020-02-11

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