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TW200704154A - Reading circuit of image sensor and analog/digital conversion method thereof - Google Patents

Reading circuit of image sensor and analog/digital conversion method thereof

Info

Publication number
TW200704154A
TW200704154A TW094123559A TW94123559A TW200704154A TW 200704154 A TW200704154 A TW 200704154A TW 094123559 A TW094123559 A TW 094123559A TW 94123559 A TW94123559 A TW 94123559A TW 200704154 A TW200704154 A TW 200704154A
Authority
TW
Taiwan
Prior art keywords
bit
analog
image signal
reading circuit
image sensor
Prior art date
Application number
TW094123559A
Other languages
English (en)
Other versions
TWI311021B (zh
Inventor
you-chun Huang
Original Assignee
Pixart Imaging Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pixart Imaging Inc filed Critical Pixart Imaging Inc
Priority to TW094123559A priority Critical patent/TW200704154A/zh
Priority to US11/481,307 priority patent/US7446684B2/en
Priority to JP2006187408A priority patent/JP4989134B2/ja
Publication of TW200704154A publication Critical patent/TW200704154A/zh
Application granted granted Critical
Publication of TWI311021B publication Critical patent/TWI311021B/zh

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0602—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic
    • H03M1/0604—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic at one point, i.e. by adjusting a single reference value, e.g. bias or gain error
    • H03M1/0607—Offset or drift compensation
    • 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
    • H04N25/70—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

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)
  • Facsimile Scanning Arrangements (AREA)
TW094123559A 2005-07-12 2005-07-12 Reading circuit of image sensor and analog/digital conversion method thereof TW200704154A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TW094123559A TW200704154A (en) 2005-07-12 2005-07-12 Reading circuit of image sensor and analog/digital conversion method thereof
US11/481,307 US7446684B2 (en) 2005-07-12 2006-07-05 Readout circuit for an image sensor and analog-to-digital converting method thereof
JP2006187408A JP4989134B2 (ja) 2005-07-12 2006-07-07 イメージセンサ用読み出し回路およびそのアナログ−デジタル変換方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW094123559A TW200704154A (en) 2005-07-12 2005-07-12 Reading circuit of image sensor and analog/digital conversion method thereof

Publications (2)

Publication Number Publication Date
TW200704154A true TW200704154A (en) 2007-01-16
TWI311021B TWI311021B (zh) 2009-06-11

Family

ID=37661187

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094123559A TW200704154A (en) 2005-07-12 2005-07-12 Reading circuit of image sensor and analog/digital conversion method thereof

Country Status (3)

Country Link
US (1) US7446684B2 (zh)
JP (1) JP4989134B2 (zh)
TW (1) TW200704154A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103493378A (zh) * 2011-04-22 2014-01-01 瑞萨电子株式会社 数据处理系统

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5383349B2 (ja) * 2009-06-30 2014-01-08 キヤノン株式会社 画像データ転送装置
JP5589780B2 (ja) * 2010-11-08 2014-09-17 セイコーエプソン株式会社 Ａ／ｄ変換回路、電子機器及びａ／ｄ変換方法
KR101877672B1 (ko) * 2017-04-03 2018-07-11 엘에스산전 주식회사 Ａｄ컨버터

Family Cites Families (17)

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Publication number Priority date Publication date Assignee Title
JPH0686207A (ja) * 1992-08-31 1994-03-25 Sony Corp デジタルスチルカメラ
US5691821A (en) * 1992-12-04 1997-11-25 Canon Kabushiki Kaisha A/D converting apparatus and image sensing apparatus
JPH08149008A (ja) * 1994-11-25 1996-06-07 Hitachi Ltd Ａｄ変換回路及びそれを用いた信号変換装置
JPH08226853A (ja) * 1995-02-22 1996-09-03 Nippon Avionics Co Ltd 赤外線熱画像装置
US5929800A (en) * 1996-08-05 1999-07-27 California Institute Of Technology Charge integration successive approximation analog-to-digital converter for focal plane applications using a single amplifier
US5920274A (en) * 1997-08-05 1999-07-06 International Business Machines Corporation Image sensor employing non-uniform A/D conversion
US6275259B1 (en) * 1998-02-02 2001-08-14 International Business Machines Corporation Digital automatic gain control circuit for image system
US6885396B1 (en) * 1998-03-09 2005-04-26 Micron Technology, Inc. Readout circuit with gain and analog-to-digital a conversion for image sensor
JP3937659B2 (ja) * 1999-08-24 2007-06-27 日本ビクター株式会社 撮像装置および撮像装置の制御方法
JP4454750B2 (ja) * 1999-12-28 2010-04-21 日本バーブラウン株式会社 イメージセンサ用のフロントエンド信号処理の方法および装置
US6567028B2 (en) * 2001-10-12 2003-05-20 Micron Technology, Inc. Reference voltage stabilization in CMOS sensors
US6867717B1 (en) * 2002-04-04 2005-03-15 Dalsa, Inc. Digital encoder and method of encoding high dynamic range video images
JP3969190B2 (ja) * 2002-05-30 2007-09-05 ソニー株式会社 撮像信号処理方法、撮像信号処理装置、撮像装置
JP2004312551A (ja) * 2003-04-09 2004-11-04 Sanyo Electric Co Ltd 画像信号処理装置
US6885331B2 (en) * 2003-09-15 2005-04-26 Micron Technology, Inc. Ramp generation with capacitors
TWI259661B (en) * 2004-01-08 2006-08-01 Novatek Microelectronics Corp Analog front end circuit and method thereof
US7236117B1 (en) * 2004-07-20 2007-06-26 National Semiconductor Corporation Apparatus and method for ping-pong mismatch correction

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103493378A (zh) * 2011-04-22 2014-01-01 瑞萨电子株式会社 数据处理系统
US9337858B2 (en) 2011-04-22 2016-05-10 Renesas Electronics Corporation Data processing system
CN103493378B (zh) * 2011-04-22 2016-10-12 瑞萨电子株式会社 数据处理系统

Also Published As

Publication number Publication date
JP2007049686A (ja) 2007-02-22
TWI311021B (zh) 2009-06-11
US7446684B2 (en) 2008-11-04
JP4989134B2 (ja) 2012-08-01
US20070013565A1 (en) 2007-01-18

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