CN106060434B - 通过斜坡产生器的图像传感器电源抑制比噪声消减 - Google Patents
通过斜坡产生器的图像传感器电源抑制比噪声消减 Download PDFInfo
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- CN106060434B CN106060434B CN201610079549.3A CN201610079549A CN106060434B CN 106060434 B CN106060434 B CN 106060434B CN 201610079549 A CN201610079549 A CN 201610079549A CN 106060434 B CN106060434 B CN 106060434B
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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
- H04N25/71—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
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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
-
- 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
- H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
- H04N25/617—Noise processing, e.g. detecting, correcting, reducing or removing noise for reducing electromagnetic interference, e.g. clocking noise
Abstract
Description
Claims (21)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/685,151 | 2015-04-13 | ||
US14/685,151 US9380208B1 (en) | 2015-04-13 | 2015-04-13 | Image sensor power supply rejection ratio noise reduction through ramp generator |
Publications (2)
Publication Number | Publication Date |
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CN106060434A CN106060434A (zh) | 2016-10-26 |
CN106060434B true CN106060434B (zh) | 2018-02-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610079549.3A Active CN106060434B (zh) | 2015-04-13 | 2016-02-04 | 通过斜坡产生器的图像传感器电源抑制比噪声消减 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9380208B1 (zh) |
CN (1) | CN106060434B (zh) |
HK (1) | HK1225546B (zh) |
TW (1) | TWI578789B (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9554074B2 (en) * | 2015-04-16 | 2017-01-24 | Omnivision Technologies, Inc. | Ramp generator for low noise image sensor |
TWI650945B (zh) * | 2017-09-28 | 2019-02-11 | 北京集創北方科技股份有限公司 | 雜訊消除裝置 |
CN109495700B (zh) * | 2018-10-30 | 2021-04-16 | 成都微光集电科技有限公司 | 一种使用斜坡发生器的消除暗电流的电路及其系统 |
CN109361883B (zh) * | 2018-11-30 | 2021-04-02 | 锐芯微电子股份有限公司 | 像素读出电路及图像传感器 |
EP3663779B1 (en) * | 2018-12-05 | 2021-10-06 | Nxp B.V. | Apparatus and method for measuring a capacitance, and a fingerprint sensor utilizing the same |
WO2021031612A1 (zh) * | 2019-08-16 | 2021-02-25 | 神盾股份有限公司 | 指纹感测装置 |
CN110720212B (zh) * | 2019-09-02 | 2022-03-22 | 深圳市汇顶科技股份有限公司 | 用于像素阵列的信号处理电路和方法以及图像传感器 |
CN111372019B (zh) * | 2020-03-10 | 2021-09-14 | 成都微光集电科技有限公司 | 一种使用提高增益adc的图像传感器读出电路及读出方法 |
US11595030B2 (en) * | 2020-05-05 | 2023-02-28 | Omnivision Technologies, Inc. | Ramp generator providing high resolution fine gain including fractional divider with delta-sigma modulator |
US11206392B1 (en) * | 2020-07-16 | 2021-12-21 | Omnivision Technologies, Inc. | Image sensor with frame level black level calibration |
CN114449187B (zh) * | 2020-11-06 | 2023-10-17 | 广州印芯半导体技术有限公司 | 图像传感器以及图像感测方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120132789A1 (en) * | 2010-11-29 | 2012-05-31 | Societe Francaise De Detecteurs Infrarouges - Sofradir | Detection circuit with correlated double sampling with improved anti-blooming circuit |
CN104010145A (zh) * | 2013-02-27 | 2014-08-27 | 索尼公司 | 电子设备、控制方法和图像传感器 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3146716B2 (ja) * | 1993-02-10 | 2001-03-19 | 富士電機株式会社 | 光電変換回路 |
US6707492B1 (en) * | 1999-03-31 | 2004-03-16 | Cirrus Logic, Inc. | Successive approximation calibration apparatus, system, and method for dynamic range extender |
US8169517B2 (en) * | 2001-03-26 | 2012-05-01 | Panavision Imaging Llc | Image sensor ADC and CDS per column with oversampling |
US7903159B2 (en) * | 2001-03-26 | 2011-03-08 | Panavision Imaging Llc | Image sensor ADC and CDS per column |
US8553112B2 (en) * | 2006-07-31 | 2013-10-08 | National University Corporation Shizuoka University | A/D converter and readout circuit |
JP2010154396A (ja) * | 2008-12-26 | 2010-07-08 | Sony Corp | 固体撮像素子および駆動制御方法 |
GB0902822D0 (en) * | 2009-02-19 | 2009-04-08 | Cmosis Nv | Analog-to-digital conversation in pixel arrays |
KR101842259B1 (ko) * | 2011-09-23 | 2018-03-27 | 삼성전자주식회사 | 이미지 센서 및 이를 포함하는 엑스-레이 이미지 센싱 모듈 |
WO2014087561A1 (ja) * | 2012-12-06 | 2014-06-12 | パナソニック株式会社 | Ad変換器、イメージセンサ、およびデジタルカメラ |
TW201501535A (zh) * | 2013-06-21 | 2015-01-01 | Himax Imaging Ltd | 影像感測器計數補償方法 |
KR102192627B1 (ko) * | 2014-04-23 | 2020-12-17 | 삼성전자주식회사 | 재구성형 아날로그-디지털 컨버터 및 이를 포함하는 이미지 센서 |
GB201408082D0 (en) * | 2014-05-07 | 2014-06-18 | St Microelectronics Res & Dev | Photosensor arrangements |
-
2015
- 2015-04-13 US US14/685,151 patent/US9380208B1/en active Active
-
2016
- 2016-02-04 CN CN201610079549.3A patent/CN106060434B/zh active Active
- 2016-03-10 TW TW105107375A patent/TWI578789B/zh active
- 2016-12-05 HK HK16113844A patent/HK1225546B/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120132789A1 (en) * | 2010-11-29 | 2012-05-31 | Societe Francaise De Detecteurs Infrarouges - Sofradir | Detection circuit with correlated double sampling with improved anti-blooming circuit |
CN104010145A (zh) * | 2013-02-27 | 2014-08-27 | 索尼公司 | 电子设备、控制方法和图像传感器 |
Also Published As
Publication number | Publication date |
---|---|
US9380208B1 (en) | 2016-06-28 |
TW201644267A (zh) | 2016-12-16 |
TWI578789B (zh) | 2017-04-11 |
CN106060434A (zh) | 2016-10-26 |
HK1225546B (zh) | 2017-09-08 |
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