HK1225543A1 - 用於低噪聲圖像傳感器的斜坡產生器 - Google Patents

用於低噪聲圖像傳感器的斜坡產生器

Info

Publication number
HK1225543A1
HK1225543A1 HK16113814A HK16113814A HK1225543A1 HK 1225543 A1 HK1225543 A1 HK 1225543A1 HK 16113814 A HK16113814 A HK 16113814A HK 16113814 A HK16113814 A HK 16113814A HK 1225543 A1 HK1225543 A1 HK 1225543A1
Authority
HK
Hong Kong
Prior art keywords
image sensor
low noise
ramp generator
noise image
ramp
Prior art date
Application number
HK16113814A
Other languages
English (en)
Inventor
Liang Zuo
Zhiqiang Song
Liping Deng
Original Assignee
Omnivision Tech 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 Omnivision Tech Inc filed Critical Omnivision Tech Inc
Publication of HK1225543A1 publication Critical patent/HK1225543A1/zh

Links

Classifications

    • 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
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • 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
    • 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
    • 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
    • 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)
  • Analogue/Digital Conversion (AREA)
HK16113814A 2015-04-16 2016-12-05 用於低噪聲圖像傳感器的斜坡產生器 HK1225543A1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/688,260 US9554074B2 (en) 2015-04-16 2015-04-16 Ramp generator for low noise image sensor

Publications (1)

Publication Number Publication Date
HK1225543A1 true HK1225543A1 (zh) 2017-09-08

Family

ID=57129317

Family Applications (1)

Application Number Title Priority Date Filing Date
HK16113814A HK1225543A1 (zh) 2015-04-16 2016-12-05 用於低噪聲圖像傳感器的斜坡產生器

Country Status (4)

Country Link
US (1) US9554074B2 (zh)
CN (1) CN106060435B (zh)
HK (1) HK1225543A1 (zh)
TW (1) TWI586172B (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190141267A1 (en) * 2016-02-29 2019-05-09 Nikon Corporation Image sensor, image capturing device and capacitance device
US10051225B2 (en) * 2016-12-12 2018-08-14 Omnivision Technologies, Inc. Current injection for fast ramp start-up during analog-to-digital operations
EP3556089B1 (en) * 2016-12-19 2023-02-01 BAE Systems Imaging Solutions Inc. Global shutter scheme that reduces the effects of dark current
TWI672954B (zh) * 2017-06-12 2019-09-21 晶相光電股份有限公司 讀出電路以及感測裝置
US10789883B2 (en) * 2017-11-02 2020-09-29 Novatek Microelectronics Corp. Sensing apparatus for display panel and operation method thereof
TWI747052B (zh) * 2018-10-24 2021-11-21 大陸商廣州印芯半導體技術有限公司 具有加密功能的光學感測器及影像資料加密方法
KR20210020807A (ko) * 2019-08-16 2021-02-24 삼성전자주식회사 이미지 센서의 전원 공급 제거비 보상 범위 증가를 위한 방법 및 시스템
US11431936B2 (en) * 2020-04-21 2022-08-30 Omnivision Technologies, Inc. Image sensor with shared gray code generator and parallel column arithmetic logic units
CN114390228B (zh) * 2020-10-21 2024-09-17 爱思开海力士有限公司 图像传感器、模数转换器及图像传感器的操作方法
US11627273B2 (en) * 2021-03-30 2023-04-11 Omnivision Technologies, Inc. Current steering ramp compensation scheme and digital circuit implementation
WO2024097627A1 (en) * 2022-11-02 2024-05-10 Texas Instruments Incorporated Input voltage feedforward in constant amplitude ramp

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5266884B2 (ja) * 2008-05-30 2013-08-21 ソニー株式会社 固体撮像装置、撮像装置、画素駆動方法
US9419558B2 (en) * 2009-09-30 2016-08-16 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Method and apparatus for in-situ health monitoring of solar cells in space
JP5868065B2 (ja) * 2011-08-05 2016-02-24 キヤノン株式会社 撮像装置
JP5858695B2 (ja) * 2011-09-08 2016-02-10 キヤノン株式会社 固体撮像装置及び固体撮像装置の駆動方法
US8754972B2 (en) * 2012-02-01 2014-06-17 Kla-Tencor Corporation Integrated multi-channel analog front end and digitizer for high speed imaging applications
US8730081B2 (en) 2012-03-19 2014-05-20 Omnivision Technologies, Inc. Calibration in multiple slope column parallel analog-to-digital conversion for image sensors
US8933385B2 (en) * 2012-07-06 2015-01-13 Omnivision Technologies, Inc. Hybrid analog-to-digital converter having multiple ADC modes
US8872088B2 (en) 2012-08-14 2014-10-28 Omnivision Technologies, Inc. Noise-matching dynamic bias for column ramp comparators in a CMOS image sensor
KR102009165B1 (ko) * 2013-01-24 2019-10-21 삼성전자 주식회사 이미지 센서, 멀티 칩 패키지, 및 전자 장치
US9380208B1 (en) * 2015-04-13 2016-06-28 Omnivision Technologies, Inc. Image sensor power supply rejection ratio noise reduction through ramp generator

Also Published As

Publication number Publication date
TW201644266A (zh) 2016-12-16
TWI586172B (zh) 2017-06-01
US20160309106A1 (en) 2016-10-20
US9554074B2 (en) 2017-01-24
CN106060435A (zh) 2016-10-26
CN106060435B (zh) 2019-05-28

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