KR100619454B1 - 색밸런싱회로및방법 - Google Patents

색밸런싱회로및방법 Download PDF

Info

Publication number
KR100619454B1
KR100619454B1 KR1019980035802A KR19980035802A KR100619454B1 KR 100619454 B1 KR100619454 B1 KR 100619454B1 KR 1019980035802 A KR1019980035802 A KR 1019980035802A KR 19980035802 A KR19980035802 A KR 19980035802A KR 100619454 B1 KR100619454 B1 KR 100619454B1
Authority
KR
South Korea
Prior art keywords
amplifier
pixel
control data
gain
signal
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
KR1019980035802A
Other languages
English (en)
Korean (ko)
Other versions
KR19990029398A (ko
Inventor
스티븐 엠. 도메르
로베르트 씨. 시춈스키
Original Assignee
프리스케일 세미컨덕터, 인크.
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 프리스케일 세미컨덕터, 인크. filed Critical 프리스케일 세미컨덕터, 인크.
Publication of KR19990029398A publication Critical patent/KR19990029398A/ko
Application granted granted Critical
Publication of KR100619454B1 publication Critical patent/KR100619454B1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Image Signal Generators (AREA)
  • Processing Of Color Television Signals (AREA)
KR1019980035802A 1997-09-02 1998-09-01 색밸런싱회로및방법 Expired - Lifetime KR100619454B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/921,965 US6346968B1 (en) 1997-09-02 1997-09-02 Color balancing circuit and method
US8/921,965 1997-09-02
US08/921,965 1997-09-02

Publications (2)

Publication Number Publication Date
KR19990029398A KR19990029398A (ko) 1999-04-26
KR100619454B1 true KR100619454B1 (ko) 2006-11-10

Family

ID=25446270

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019980035802A Expired - Lifetime KR100619454B1 (ko) 1997-09-02 1998-09-01 색밸런싱회로및방법

Country Status (4)

Country Link
US (1) US6346968B1 (enExample)
JP (1) JP4036541B2 (enExample)
KR (1) KR100619454B1 (enExample)
TW (1) TW391143B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6529237B1 (en) * 1997-12-02 2003-03-04 Texas Instruments Incorporated Complete CDS/PGA sample and hold amplifier
US6940548B2 (en) * 1998-07-15 2005-09-06 Texas Instruments Incorporated Analog optical black clamping circuit for a charge coupled device having wide programmable gain range
US6587143B1 (en) * 1999-01-19 2003-07-01 National Semiconductor Corporation Correlated double sampler with single amplifier
US7123301B1 (en) * 1999-06-11 2006-10-17 Analog Devices, Inc. Pixel gain amplifier
US6838787B2 (en) * 2002-01-16 2005-01-04 Eastman Kodak Company Variable bandwidth correlated doubling sampling circuits for image sensors
KR100421023B1 (ko) * 2002-02-06 2004-03-04 삼성전자주식회사 컬러 영상의 색온도 상승 장치 및 그 방법
US7038720B2 (en) * 2002-10-16 2006-05-02 Exar Corporation Pixel-by-pixel digital control of gain and offset correction for video imaging
US7002408B2 (en) * 2003-10-15 2006-02-21 Varian Medical Systems Technologies, Inc. Data signal amplifier and processor with multiple signal gains for increased dynamic signal range
JP5180260B2 (ja) * 2010-06-23 2013-04-10 株式会社藤商事 遊技機

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62296692A (ja) * 1986-06-16 1987-12-23 Minolta Camera Co Ltd テレビカメラのホワイトバランス調整装置
JPH0435186A (ja) * 1990-05-25 1992-02-05 Toshiba Corp 自動ホワイトバランス制御装置
JPH04264892A (ja) * 1991-02-19 1992-09-21 Sanyo Electric Co Ltd 白バランス調整装置
JPH0638234A (ja) * 1992-07-17 1994-02-10 Hitachi Ltd Ｃｒｔディスプレイ装置および白バランス調整方法
JPH06178311A (ja) * 1992-12-04 1994-06-24 Fujitsu General Ltd 白バランス調整方法
JPH08140104A (ja) * 1994-11-07 1996-05-31 Ricoh Co Ltd 電子スチルビデオカメラの自動白バランス制御回路
JPH08237678A (ja) * 1995-02-27 1996-09-13 Sanyo Electric Co Ltd カラービデオカメラ

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5223921A (en) * 1990-04-27 1993-06-29 Sanyo Electric Co., Ltd. White balance adjusting apparatus for automatically adjusting white balance on the basis of a color information signal obtained from an image-sensing device
US5267026A (en) * 1990-08-31 1993-11-30 Canon Kabushiki Kaisha Video camera with white balance control having the function of inhibiting auto while balance control under a special light source or of a special object
US5319449A (en) 1991-04-17 1994-06-07 Fuji Photo Film Company, Limited White balance control device and video camera with a white balance control device
US5410225A (en) 1991-08-30 1995-04-25 Aiwa Co., Ltd. Video camera and camera system employing aperture control
US5329361A (en) 1991-09-04 1994-07-12 Fuji Photo Film Co., Ltd. White balance control wherein valves of control signals are fixed or converged within a renewable, variable region
JP3314195B2 (ja) 1992-12-28 2002-08-12 ミノルタ株式会社 画像処理装置
US6025875A (en) * 1995-10-23 2000-02-15 National Semiconductor Corporation Analog signal sampler for imaging systems
US5736886A (en) * 1996-02-06 1998-04-07 Analog Devices, Inc. Input clamping method and apparatus with a correlated double-sampling circuit
US6147707A (en) * 1996-02-06 2000-11-14 Canon Kabushiki Kaisha Method and apparatus for gain adjustment of an image sensor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62296692A (ja) * 1986-06-16 1987-12-23 Minolta Camera Co Ltd テレビカメラのホワイトバランス調整装置
JPH0435186A (ja) * 1990-05-25 1992-02-05 Toshiba Corp 自動ホワイトバランス制御装置
JPH04264892A (ja) * 1991-02-19 1992-09-21 Sanyo Electric Co Ltd 白バランス調整装置
JPH0638234A (ja) * 1992-07-17 1994-02-10 Hitachi Ltd Ｃｒｔディスプレイ装置および白バランス調整方法
JPH06178311A (ja) * 1992-12-04 1994-06-24 Fujitsu General Ltd 白バランス調整方法
JPH08140104A (ja) * 1994-11-07 1996-05-31 Ricoh Co Ltd 電子スチルビデオカメラの自動白バランス制御回路
JPH08237678A (ja) * 1995-02-27 1996-09-13 Sanyo Electric Co Ltd カラービデオカメラ

Also Published As

Publication number Publication date
JPH11234696A (ja) 1999-08-27
US6346968B1 (en) 2002-02-12
KR19990029398A (ko) 1999-04-26
JP4036541B2 (ja) 2008-01-23
TW391143B (en) 2000-05-21

Similar Documents

Publication Publication Date Title
KR100599015B1 (ko) 화상캡쳐회로
US7379011B2 (en) Lossless nonlinear analog gain controller in image sensor and manufacturing method thereof
US5982318A (en) Linearizing offset cancelling white balancing and gamma correcting analog to digital converter for active pixel sensor imagers with self calibrating and self adjusting properties
US7208983B2 (en) Image-sensor signal processing circuit
US20130284891A1 (en) Solid-state image pickup device and control method thereof
KR100616074B1 (ko) 씨모스 타입 이미지 센서내의 아날로그/디지털 변환기의 자동 교정
KR20200075962A (ko) 피드백 루프를 통해 픽셀들의 각각의 변환 이득들을 결정하는 이미지 센서
US20110062310A1 (en) Solid-state imaging device, imaging device and driving method of solid-state imaging device
US7230649B2 (en) Image sensor system using CMOS image sensor and image sensor apparatus using CMOS image sensor
US7098945B1 (en) Electronic camera apparatus
JP2001128070A (ja) 自己補償型相関二重サンプリング回路
CN101304469A (zh) 固体摄像装置、摄像装置
KR100619454B1 (ko) 색밸런싱회로및방법
US5796361A (en) CCD signal digitizing integrated circuit
USRE34926E (en) Color temperature detecting device for producing a color temperature signal developed using the ratio between color component signals
US20070126895A1 (en) Flicker detection gain control circuit, digital imaging system, and method
US20050237400A1 (en) Image sensor and offset-able reference voltage generator thereof
KR100975444B1 (ko) 리셋전압 보상부를 구비한 이미지센서
US4942459A (en) Color temperature detecting device for producing a color temperature signal developed using the ratio between color component signals
US6088057A (en) Image pickup apparatus with reduced signal noise
US10805568B2 (en) Ramp signal generation device and CMOS image sensor using the same
US5235412A (en) Electronic color imaging system and analog signal processor therefor
US20230217125A1 (en) Image sensor
Kim et al. A CMOS interface IC for CCD imagers
US20240019301A1 (en) Optical sensing arrangement, ambient light sensor and method for providing an output count

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19980901

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20030901

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19980901

Comment text: Patent Application

N231 Notification of change of applicant
PN2301 Change of applicant

Patent event date: 20041015

Comment text: Notification of Change of Applicant

Patent event code: PN23011R01D

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20050627

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20060215

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20060828

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20060829

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20090709

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 20100709

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 20110728

Start annual number: 6

End annual number: 6

FPAY Annual fee payment

Payment date: 20120727

Year of fee payment: 7

PR1001 Payment of annual fee

Payment date: 20120727

Start annual number: 7

End annual number: 7

FPAY Annual fee payment

Payment date: 20130729

Year of fee payment: 8

PR1001 Payment of annual fee

Payment date: 20130729

Start annual number: 8

End annual number: 8

FPAY Annual fee payment

Payment date: 20140730

Year of fee payment: 9

PR1001 Payment of annual fee

Payment date: 20140730

Start annual number: 9

End annual number: 9

PR1001 Payment of annual fee

Payment date: 20150630

Start annual number: 10

End annual number: 10

FPAY Annual fee payment

Payment date: 20160629

Year of fee payment: 11

PR1001 Payment of annual fee

Payment date: 20160629

Start annual number: 11

End annual number: 11

FPAY Annual fee payment

Payment date: 20170629

Year of fee payment: 12

PR1001 Payment of annual fee

Payment date: 20170629

Start annual number: 12

End annual number: 12

FPAY Annual fee payment

Payment date: 20180628

Year of fee payment: 13

PR1001 Payment of annual fee

Payment date: 20180628

Start annual number: 13

End annual number: 13

PC1801 Expiration of term