KR900018730A - 촬상장치 - Google Patents

촬상장치 Download PDF

Info

Publication number
KR900018730A
KR900018730A KR1019900007516A KR900007516A KR900018730A KR 900018730 A KR900018730 A KR 900018730A KR 1019900007516 A KR1019900007516 A KR 1019900007516A KR 900007516 A KR900007516 A KR 900007516A KR 900018730 A KR900018730 A KR 900018730A
Authority
KR
South Korea
Prior art keywords
signal
imaging
converter
comparing
samples
Prior art date
Application number
KR1019900007516A
Other languages
English (en)
Other versions
KR100220764B1 (ko
Inventor
도시하루 곤도
다까시 고하시
Original Assignee
오오가 노리오
소니 가부시끼가이샤
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 오오가 노리오, 소니 가부시끼가이샤 filed Critical 오오가 노리오
Publication of KR900018730A publication Critical patent/KR900018730A/ko
Application granted granted Critical
Publication of KR100220764B1 publication Critical patent/KR100220764B1/ko

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
    • H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components
    • 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
    • H04N23/72—Combination of two or more compensation controls
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Exposure Control For Cameras (AREA)
  • Studio Devices (AREA)

Abstract

내용 없음

Description

촬상장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 1실시예의 블록도.

Claims (1)

  1. 촬상의 신호의 레벨에 따라서 조리개를 제어하는 자동 조리개 제어장치를 갖는 촬상 장치에 있어서, 상기 촬상신호를 디지털 신호로 변환하는 A/D 변환기와,상기 A/D변환기의 출력 신호를 소정 레벨과 비교하고, 상기 소정 레벨을 넘는 샘플수를 소정 기간마다 계수하는 수단과, 상기 샘플수의 계수값과 기준 데이타를 비교하고, 비교 출력에 기준해서 상기 조리개에 대한 제어신호를 형성하는 수단을 구비한 것을 특징으로 하는 촬상장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900007516A 1989-05-30 1990-05-24 촬상 장치 KR100220764B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP137242 1989-05-30
JP1137242A JPH031772A (ja) 1989-05-30 1989-05-30 撮像装置

Publications (2)

Publication Number Publication Date
KR900018730A true KR900018730A (ko) 1990-12-22
KR100220764B1 KR100220764B1 (ko) 1999-09-15

Family

ID=15194095

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900007516A KR100220764B1 (ko) 1989-05-30 1990-05-24 촬상 장치

Country Status (5)

Country Link
US (1) US5053877A (ko)
EP (1) EP0400605B1 (ko)
JP (1) JPH031772A (ko)
KR (1) KR100220764B1 (ko)
DE (1) DE69013572T2 (ko)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2822256B2 (ja) * 1990-02-15 1998-11-11 ソニー株式会社 ビデオカメラの露光補正装置
JP3404754B2 (ja) * 1990-12-22 2003-05-12 ソニー株式会社 ビデオカメラ
KR920011063B1 (ko) * 1990-12-31 1992-12-26 삼성전자 주식회사 카메라의 자동이득 제어회로
JP3004382B2 (ja) * 1991-04-24 2000-01-31 松下電器産業株式会社 可変シャッタ付テレビカメラ装置
CA2070745A1 (en) * 1991-06-10 1992-12-11 Hiroyuki Hashimoto Video camera, video camera device and adopter used therewith
US5333011A (en) * 1991-12-05 1994-07-26 Sensormatic Electronics Corporation Electronic iris control for surveillance cameras
JPH05160653A (ja) * 1991-12-09 1993-06-25 Yamaha Corp 自動利得制御装置
JPH05167911A (ja) * 1991-12-12 1993-07-02 Sony Corp 信号処理装置
JP3521920B2 (ja) * 1992-03-05 2004-04-26 ソニー株式会社 ビデオカメラ装置
ES2118854T3 (es) * 1992-05-22 1998-10-01 Thomson Consumer Electronics Procesador de señal de video que emplea analisis de elementos de imagen.
JP3105376B2 (ja) * 1993-03-31 2000-10-30 富士写真フイルム株式会社 ビデオカメラの露出制御装置
US6137533A (en) * 1997-05-14 2000-10-24 Cirrus Logic, Inc. System and method for enhancing dynamic range in images
US6750906B1 (en) * 1998-05-08 2004-06-15 Cirrus Logic, Inc. Histogram-based automatic gain control method and system for video applications
JP3535406B2 (ja) * 1999-02-15 2004-06-07 ワテック株式会社 Ｃｃｄカメラの信号増幅回路
US6194941B1 (en) * 1999-04-13 2001-02-27 Delphi Technologies, Inc. DC offset compensation circuit for a signal amplifier
US6324230B1 (en) * 2000-02-29 2001-11-27 Motorola, Inc. Multimode fast attack automatic gain control (AGC) loop for narrow band receivers
KR20060004023A (ko) * 2004-07-08 2006-01-12 삼성전자주식회사 야외 및 실내 환경에 적합한 색감을 표현해주는정지화상의 촬영방법 및 이를 수행하기 위한 촬영장치
DE102005048006A1 (de) 2005-10-06 2007-04-12 Carl Zeiss Surgical Gmbh Mikroskopiesystem und Aufnahmeverfahren zur Sichtbarmachung einer Fluoreszenz

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741079A (en) * 1980-08-26 1982-03-06 Asahi Optical Co Ltd Automatic television camera exposure device by division of picture
JPS5827472A (ja) * 1981-08-10 1983-02-18 Sony Corp 固体撮像装置の制御装置
DE3344274A1 (de) * 1982-12-07 1984-06-07 Canon K.K., Tokio/Tokyo Bildaufnahme-einrichtung mit einer belichtungssteuereinrichtung
US4843476A (en) * 1986-11-25 1989-06-27 Matsushita Electric Industrial Co., Ltd. System for controlling the amount of light reaching an image pick-up apparatus based on a brightness/darkness ratio weighing
AU607033B2 (en) * 1988-01-12 1991-02-21 Sanyo Electric Co., Ltd. Auto iris/gamma correction apparatus for making automatic exposure adjustment and/or automatic gamma correction in response to video signal and image sensing apparatus comprising such auto iris/gamma correction apparatus
AU609610B2 (en) * 1988-05-20 1991-05-02 Sanyo Electric Co., Ltd. Image sensing apparatus having automatic iris function of automatically adjusting exposure in response to video signal

Also Published As

Publication number Publication date
EP0400605B1 (en) 1994-10-26
DE69013572T2 (de) 1995-03-02
JPH031772A (ja) 1991-01-08
EP0400605A3 (en) 1991-04-03
KR100220764B1 (ko) 1999-09-15
DE69013572D1 (de) 1994-12-01
EP0400605A2 (en) 1990-12-05
US5053877A (en) 1991-10-01

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