TWI372515B - Column amplifier with automatic gain selection for cmos image sensors - Google Patents

Column amplifier with automatic gain selection for cmos image sensors

Info

Publication number
TWI372515B
TWI372515B TW094122727A TW94122727A TWI372515B TW I372515 B TWI372515 B TW I372515B TW 094122727 A TW094122727 A TW 094122727A TW 94122727 A TW94122727 A TW 94122727A TW I372515 B TWI372515 B TW I372515B
Authority
TW
Taiwan
Prior art keywords
image sensors
cmos image
automatic gain
column amplifier
gain selection
Prior art date
Application number
TW094122727A
Other languages
English (en)
Other versions
TW200605494A (en
Inventor
Markus Loose
Original Assignee
Altasens 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 Altasens Inc filed Critical Altasens Inc
Publication of TW200605494A publication Critical patent/TW200605494A/zh
Application granted granted Critical
Publication of TWI372515B publication Critical patent/TWI372515B/zh

Links

Classifications

    • 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
    • H04N25/50—Control of the SSIS exposure
    • H04N25/57—Control of the dynamic range
    • 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
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • H04N25/672—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction between adjacent sensors or output registers for reading a single image
    • 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
    • H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
    • H04N25/75—Circuitry for providing, modifying or processing image signals from the pixel array
    • 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)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Studio Devices (AREA)
TW094122727A 2004-07-07 2005-07-05 Column amplifier with automatic gain selection for cmos image sensors TWI372515B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/886,319 US7443435B2 (en) 2004-07-07 2004-07-07 Column amplifier with automatic gain selection for CMOS image sensors

Publications (2)

Publication Number Publication Date
TW200605494A TW200605494A (en) 2006-02-01
TWI372515B true TWI372515B (en) 2012-09-11

Family

ID=35839704

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094122727A TWI372515B (en) 2004-07-07 2005-07-05 Column amplifier with automatic gain selection for cmos image sensors

Country Status (5)

Country Link
US (1) US7443435B2 (zh)
EP (1) EP1769534A4 (zh)
JP (1) JP5456971B2 (zh)
TW (1) TWI372515B (zh)
WO (1) WO2006017042A2 (zh)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4311181B2 (ja) * 2003-12-05 2009-08-12 ソニー株式会社 半導体装置の制御方法および信号処理方法並びに半導体装置および電子機器
JP2008011192A (ja) * 2006-06-29 2008-01-17 Fujitsu Ltd 増幅器およびその制御方法
TWI323088B (en) 2006-10-19 2010-04-01 Novatek Microelectronics Corp Voltage conversion device having non-linear gain
US7746400B2 (en) * 2007-07-31 2010-06-29 Aptina Imaging Corporation Method, apparatus, and system providing multi-column shared readout for imagers
JP5106052B2 (ja) 2007-11-08 2012-12-26 キヤノン株式会社 固体撮像素子、撮像システム、及び固体撮像素子の駆動方法
JP2009177797A (ja) * 2007-12-26 2009-08-06 Panasonic Corp 固体撮像装置及びその駆動方法
US7825975B2 (en) * 2008-02-25 2010-11-02 Fairchild Imaging, Inc. Imaging array with improved dynamic range
JP2009303088A (ja) * 2008-06-17 2009-12-24 Panasonic Corp 固体撮像装置、その駆動方法及びカメラ
JP5188292B2 (ja) 2008-06-30 2013-04-24 キヤノン株式会社 撮像システムおよび撮像システムの駆動方法
US8300123B2 (en) * 2008-10-16 2012-10-30 Aptina Imaging Corporation Imager column-level amplifier with pixel-wise automatic gain selection
KR101588299B1 (ko) * 2009-01-20 2016-01-25 삼성전자주식회사 수광량에 대한 실시간 모니터링이 가능한 4-Ｔｒ 타입의 ＡＦ 픽셀을 이용한 ＡＦ 모듈 및 이를 적용한 촬영장치
WO2010119702A1 (ja) * 2009-04-16 2010-10-21 パナソニック株式会社 固体撮像素子および駆動方法
US9083889B2 (en) * 2010-02-28 2015-07-14 Himax Imaging, Inc. Signal processing circuit capable of selectively adjusting gain factor of sample-and-hold circuit and signal processing method thereof
DE102010051986B4 (de) * 2010-11-19 2024-02-01 Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg Bildsensor
DE102011004895A1 (de) * 2011-03-01 2012-09-06 Continental Automotive Gmbh Analog-zu-Digital-Konvertierung mit einer definierten Ladungssubtraktion von einem Abtast-Halte-Kondensator
US9167182B2 (en) 2011-09-26 2015-10-20 Semiconductor Components Industries, Llc Charge sensing in image sensors with output channel having multiple-gain output paths
CN102595052A (zh) * 2011-12-31 2012-07-18 四川川大智胜软件股份有限公司 一种数字摄像机逐行放大的方法
US8633845B2 (en) 2012-03-01 2014-01-21 Altasens, Inc. Low power slope-based analog-to-digital converter
EP2693739A1 (en) * 2012-08-01 2014-02-05 Agilent Technologies, Inc. Electronic variable gain for x-ray detector
US9363450B2 (en) 2013-08-27 2016-06-07 Semiconductor Components Industries, Llc Imaging systems and methods for image signal gain adjustment
KR102210539B1 (ko) 2013-12-26 2021-02-01 삼성전자주식회사 상관 이중 샘플링 회로, 이를 포함하는 아날로그-디지털 컨버터, 및 이미지 센서
JP6346523B2 (ja) * 2014-02-14 2018-06-20 東芝メモリ株式会社 半導体集積回路およびイメージセンサ
US9888191B2 (en) 2015-04-21 2018-02-06 Semiconductor Components Industries, Llc Imaging systems and methods for performing unboosted image sensor pixel conversion gain adjustments
US9588240B1 (en) * 2015-10-27 2017-03-07 General Electric Company Digital readout architecture for four side buttable digital X-ray detector
US10686003B2 (en) * 2015-12-31 2020-06-16 General Electric Company Radiation detector assembly
US10283557B2 (en) 2015-12-31 2019-05-07 General Electric Company Radiation detector assembly
US20180033814A1 (en) 2016-07-27 2018-02-01 WcSystems Corporation Photo Sensor
JP2019057873A (ja) * 2017-09-22 2019-04-11 ソニーセミコンダクタソリューションズ株式会社 固体撮像素子及び電子機器
JP7353783B2 (ja) * 2019-04-16 2023-10-02 キヤノン株式会社 撮像装置とその制御方法及び撮像素子とその制御方法
US10924701B2 (en) * 2019-07-18 2021-02-16 Omnivision Technologies, Inc. Column amplifier reset circuit with comparator

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0732340B2 (ja) * 1990-08-29 1995-04-10 三洋電機株式会社 Ａｇｃ回路
JP3183417B2 (ja) * 1992-04-17 2001-07-09 ソニー株式会社 Ａ／ｄ変換装置
JP3075203B2 (ja) * 1997-01-28 2000-08-14 日本電気株式会社 固体撮像素子
JP2000151290A (ja) * 1998-11-05 2000-05-30 Nec Corp 初段増幅回路
US6757018B1 (en) * 1998-12-18 2004-06-29 Agilent Technologies, Inc. CMOS image sensor with pixel level gain control
JP3389949B2 (ja) * 1999-03-16 2003-03-24 日本電気株式会社 固体撮像素子用雑音除去回路
US6707492B1 (en) * 1999-03-31 2004-03-16 Cirrus Logic, Inc. Successive approximation calibration apparatus, system, and method for dynamic range extender
US6342919B2 (en) * 1999-04-08 2002-01-29 Nucore Technology, Inc. Power saving method using interleaved programmable gain amplifier and A/D converters for digital imaging devices
US7123301B1 (en) * 1999-06-11 2006-10-17 Analog Devices, Inc. Pixel gain amplifier
US6829007B1 (en) * 1999-09-03 2004-12-07 Texas Instruments Incorporated Digital scheme for noise filtering of optical black and offset correction in CCD signal processing
JP4689024B2 (ja) * 2000-10-12 2011-05-25 浜松ホトニクス株式会社 Ａ／ｄ変換装置および固体撮像装置
JP2002199283A (ja) * 2000-12-25 2002-07-12 Mitsubishi Electric Corp 画像信号処理装置および画像信号処理方法
JP3844699B2 (ja) * 2001-02-19 2006-11-15 イノテック株式会社 可変利得アンプ
US7079178B2 (en) * 2001-02-20 2006-07-18 Jaroslav Hynecek High dynamic range active pixel CMOS image sensor and data processing system incorporating adaptive pixel reset
US6498927B2 (en) * 2001-03-28 2002-12-24 Gct Semiconductor, Inc. Automatic gain control method for highly integrated communication receiver
EP1301028A1 (en) 2001-10-05 2003-04-09 STMicroelectronics Limited Improvements in or relating to CMOS Image sensors
US6486808B1 (en) 2001-10-16 2002-11-26 Varian Medical Systems Data signal amplifier with automatically controllable dynamic signal range
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
US7382407B2 (en) * 2002-08-29 2008-06-03 Micron Technology, Inc. High intrascene dynamic range NTSC and PAL imager
JP3930461B2 (ja) * 2002-09-30 2007-06-13 株式会社東芝 増幅回路及びこれを用いた液晶ディスプレイ装置
US6798286B2 (en) * 2002-12-02 2004-09-28 Broadcom Corporation Gain control methods and systems in an amplifier assembly
JP4392492B2 (ja) * 2003-06-02 2010-01-06 国立大学法人静岡大学 広ダイナミックレンジイメージセンサ
JP4311181B2 (ja) * 2003-12-05 2009-08-12 ソニー株式会社 半導体装置の制御方法および信号処理方法並びに半導体装置および電子機器
US7349017B2 (en) * 2004-04-21 2008-03-25 Avago Technologies Ecbu Ip Pte Ltd Color sensor circuit with integrated programmable gain selection
US7042285B2 (en) * 2004-04-26 2006-05-09 Ray Myron Parkhurst RF power amplifier with load insensitive indirect forward power detector
JP4290066B2 (ja) 2004-05-20 2009-07-01 キヤノン株式会社 固体撮像装置および撮像システム

Also Published As

Publication number Publication date
EP1769534A4 (en) 2008-03-26
US20080136952A1 (en) 2008-06-12
WO2006017042A2 (en) 2006-02-16
WO2006017042A3 (en) 2007-02-22
JP2008506316A (ja) 2008-02-28
JP5456971B2 (ja) 2014-04-02
US7443435B2 (en) 2008-10-28
EP1769534A2 (en) 2007-04-04
TW200605494A (en) 2006-02-01

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