JPH0221192B2 - - Google Patents

Info

Publication number
JPH0221192B2
JPH0221192B2 JP55006466A JP646680A JPH0221192B2 JP H0221192 B2 JPH0221192 B2 JP H0221192B2 JP 55006466 A JP55006466 A JP 55006466A JP 646680 A JP646680 A JP 646680A JP H0221192 B2 JPH0221192 B2 JP H0221192B2
Authority
JP
Japan
Prior art keywords
lens aperture
output
level
aperture
circuit
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
JP55006466A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56104579A (en
Inventor
Kyotake Nagai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP646680A priority Critical patent/JPS56104579A/ja
Priority to DE3101806A priority patent/DE3101806C2/de
Priority to US06/227,325 priority patent/US4365272A/en
Publication of JPS56104579A publication Critical patent/JPS56104579A/ja
Publication of JPH0221192B2 publication Critical patent/JPH0221192B2/ja
Granted 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
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/72—Combination of two or more compensation controls

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Exposure Control For Cameras (AREA)
JP646680A 1980-01-23 1980-01-23 Television camera device Granted JPS56104579A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP646680A JPS56104579A (en) 1980-01-23 1980-01-23 Television camera device
DE3101806A DE3101806C2 (de) 1980-01-23 1981-01-21 Fernsehkamera mit automatischer Verstärkereinstellung
US06/227,325 US4365272A (en) 1980-01-23 1981-01-22 Television camera apparatus having automatic gain-selecting unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP646680A JPS56104579A (en) 1980-01-23 1980-01-23 Television camera device

Publications (2)

Publication Number Publication Date
JPS56104579A JPS56104579A (en) 1981-08-20
JPH0221192B2 true JPH0221192B2 (en]) 1990-05-14

Family

ID=11639219

Family Applications (1)

Application Number Title Priority Date Filing Date
JP646680A Granted JPS56104579A (en) 1980-01-23 1980-01-23 Television camera device

Country Status (3)

Country Link
US (1) US4365272A (en])
JP (1) JPS56104579A (en])
DE (1) DE3101806C2 (en])

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5783971A (en) * 1980-11-13 1982-05-26 Asahi Optical Co Ltd Spot exposure control circuit
JPS5796422U (en]) * 1980-12-01 1982-06-14
JPS5797275A (en) 1980-12-08 1982-06-16 Sony Corp Television camera
US4564856A (en) * 1981-04-09 1986-01-14 Harris Corporation Apparatus providing automatic and manual control of setup adjustments for TV cameras
JPS57200017A (en) * 1981-06-03 1982-12-08 Sony Corp Aperture locking device
US4635126A (en) * 1981-12-18 1987-01-06 Canon Kabushiki Kaisha Image pick-up system
US4532553A (en) * 1982-04-02 1985-07-30 Ampex Corporation Continuous depth of focus control
JPS58173980A (ja) * 1982-04-02 1983-10-12 アムペックス　コ−ポレ−ション テレビカメラの焦点深度を変える方法
DE3212616A1 (de) * 1982-04-05 1983-10-06 Bosch Gmbh Robert Verfahren zur einpegelung einer farbfernsehkamera
JPS58194469A (ja) * 1982-05-07 1983-11-12 Canon Inc 撮像装置
JPS59126311A (ja) * 1983-01-07 1984-07-20 Sony Corp Ａｇｃ回路
DE3326272C1 (de) * 1983-07-21 1985-04-18 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth Verfahren und Schaltungsanordnung zur Verbesserung der Qualitaet eines Fernsehbildes
US4535758A (en) * 1983-10-07 1985-08-20 Welch Allyn Inc. Signal level control for video system
JPS60167576A (ja) * 1984-01-31 1985-08-30 Canon Inc 撮像装置
JPS6132687A (ja) * 1984-07-24 1986-02-15 Canon Inc 撮像装置
JPS61100080A (ja) * 1984-10-22 1986-05-19 Canon Inc 固体撮像装置
US5247689A (en) * 1985-02-25 1993-09-21 Ewert Alfred P Parallel digital processor including lateral transfer buses with interrupt switches to form bus interconnection segments
US4598322A (en) * 1985-05-13 1986-07-01 Honeywell Inc. Video level control for CCD camera
US4780766A (en) * 1987-05-29 1988-10-25 Eastman Kodak Company Still video camera having effective imager sensitivity optimized for electronic preview
US5140424A (en) * 1987-07-07 1992-08-18 Canon Kabushiki Kaisha Image signal processing apparatus with noise reduction
JPH0220977A (ja) * 1988-01-07 1990-01-24 Fuji Photo Film Co Ltd 逆光補正方式
JP2974323B2 (ja) * 1989-02-01 1999-11-10 キヤノン株式会社 撮像装置
FR2656485B1 (fr) * 1989-12-27 1992-06-19 I2S Procede de regulation d'une camera a couplage de charge, et camera pour sa mise en óoeuvre.
US5341220A (en) * 1990-01-08 1994-08-23 Nikon Corporation Still picture imaging apparatus having an improved automatic exposure control and reduction in power consumption
JPH03274870A (ja) * 1990-03-24 1991-12-05 Sony Corp ビデオカメラのアイリス制御装置
WO1991019262A1 (en) * 1990-05-25 1991-12-12 Axiom Innovation Ltd. An image acquisition system
JP2839202B2 (ja) * 1990-09-04 1998-12-16 株式会社日立製作所 撮像装置の自動露光制御装置及び方法
KR920011063B1 (ko) * 1990-12-31 1992-12-26 삼성전자 주식회사 카메라의 자동이득 제어회로
US5410225A (en) * 1991-08-30 1995-04-25 Aiwa Co., Ltd. Video camera and camera system employing aperture control
US5905533A (en) * 1992-05-20 1999-05-18 Nikon Corporation Image processing apparatus
KR100220015B1 (ko) * 1996-12-27 1999-09-01 구자홍 카메라의 자동 포커스(af) 제어방법
US6947077B1 (en) * 1998-03-30 2005-09-20 Micron Technology, Inc. Fast and accurate adjustment of gain and exposure time for image sensors
RU2264047C2 (ru) * 2003-04-04 2005-11-10 Открытое акционерное общество "Красногорский завод им. С.А. Зверева" Телекамера с двухконтурной системой адаптации к условиям изменения освещенности
JP4424292B2 (ja) * 2005-09-28 2010-03-03 ソニー株式会社 撮像装置、露出制御方法およびプログラム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE631115A (en]) * 1963-04-16
US3518371A (en) * 1966-10-18 1970-06-30 Rca Corp Preset sensitivity and amplification control system
US3555181A (en) * 1968-06-05 1971-01-12 Bell Telephone Labor Inc Automatic video level control employing iris and amplifier gain adjustments
US4050085A (en) * 1969-06-04 1977-09-20 Hughes Aircraft Company Automatic light control system
JPS49129420U (en]) * 1973-03-07 1974-11-07
NL7701811A (nl) * 1977-02-21 1978-08-23 Philips Nv Televisiekamera voorzien van een diafragma- regeling en een regelbare beeldsignaalver- sterkingsschakeling.
US4141043A (en) * 1977-04-18 1979-02-20 General Electric Company Picture signal generator with light level control
JPS55121778A (en) * 1979-03-13 1980-09-19 Victor Co Of Japan Ltd Automatic controller for sensitivity of television camera
US4268866A (en) * 1979-11-09 1981-05-19 Rca Corporation Peak-response controller for average-responding automatic iris
US4300167A (en) * 1980-02-07 1981-11-10 Circon Corporation Automatic iris control system

Also Published As

Publication number Publication date
JPS56104579A (en) 1981-08-20
DE3101806A1 (de) 1981-11-19
US4365272A (en) 1982-12-21
DE3101806C2 (de) 1985-11-07

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