JPH0462052B2 - - Google Patents

Info

Publication number
JPH0462052B2
JPH0462052B2 JP56105841A JP10584181A JPH0462052B2 JP H0462052 B2 JPH0462052 B2 JP H0462052B2 JP 56105841 A JP56105841 A JP 56105841A JP 10584181 A JP10584181 A JP 10584181A JP H0462052 B2 JPH0462052 B2 JP H0462052B2
Authority
JP
Japan
Prior art keywords
photometry
mode
circuit
average
spot
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
JP56105841A
Other languages
English (en)
Japanese (ja)
Other versions
JPS587616A (ja
Inventor
Masabumi Yamazaki
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP56105841A priority Critical patent/JPS587616A/ja
Priority to US06/366,581 priority patent/US4453811A/en
Priority to DE3225417A priority patent/DE3225417C2/de
Publication of JPS587616A publication Critical patent/JPS587616A/ja
Publication of JPH0462052B2 publication Critical patent/JPH0462052B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/091—Digital circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
JP56105841A 1981-07-07 1981-07-07 カメラの自動露出制御装置 Granted JPS587616A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56105841A JPS587616A (ja) 1981-07-07 1981-07-07 カメラの自動露出制御装置
US06/366,581 US4453811A (en) 1981-07-07 1982-04-08 Automatic exposure controller for a camera
DE3225417A DE3225417C2 (de) 1981-07-07 1982-07-07 Belichtungssteuerungseinrichtung für eine Photokamera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56105841A JPS587616A (ja) 1981-07-07 1981-07-07 カメラの自動露出制御装置

Publications (2)

Publication Number Publication Date
JPS587616A JPS587616A (ja) 1983-01-17
JPH0462052B2 true JPH0462052B2 (en]) 1992-10-05

Family

ID=14418238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56105841A Granted JPS587616A (ja) 1981-07-07 1981-07-07 カメラの自動露出制御装置

Country Status (3)

Country Link
US (1) US4453811A (en])
JP (1) JPS587616A (en])
DE (1) DE3225417C2 (en])

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58184137A (ja) * 1982-04-21 1983-10-27 Olympus Optical Co Ltd カメラ
FR2532072B1 (fr) * 1982-08-21 1987-06-26 Olympus Optical Co Appareil photographique a commande de photometrie
US4503508A (en) * 1982-10-12 1985-03-05 Eastman Kodak Company Exposure control apparatus
JPS59170822A (ja) * 1983-03-17 1984-09-27 Olympus Optical Co Ltd 多点測光式カメラ
JPS6069967A (ja) * 1983-09-26 1985-04-20 Asahi Seimitsu Kk Ｃｃｔｖカメラ用レンズの自動絞り制御装置
JPH085456Y2 (ja) * 1984-11-30 1996-02-14 ミノルタ株式会社 カメラの露出演算装置
US4668069A (en) * 1985-05-13 1987-05-26 Nippon Kogaku K. K. Exposure control device in a camera
DE3542511A1 (de) * 1985-12-02 1987-06-04 Leitz Ernst Gmbh Verfahren und schaltungsanordnung zur automatischen bestimmung eines lichtwertes
JPS62140033A (ja) * 1985-12-13 1987-06-23 Canon Inc 測光装置
US4746988A (en) * 1986-06-30 1988-05-24 Eastman Kodak Company Exposure control apparatus for a still video camera having an electronic viewfinder
US4978990A (en) * 1988-10-04 1990-12-18 Olympus Optical Co., Ltd. Exposure control apparatus for camera
JPH07119921B2 (ja) * 1988-11-10 1995-12-20 ミノルタ株式会社 撮影モード切換装置
JPH07152063A (ja) * 1993-11-29 1995-06-16 Nikon Corp カメラ
US5835800A (en) * 1993-12-13 1998-11-10 Nikon Corporation Camera and recording medium forwarding device suitable for use in a camera
JP2545759B2 (ja) * 1994-03-14 1996-10-23 株式会社ニコン カメラの測光装置
JPH08136967A (ja) * 1994-11-02 1996-05-31 Nikon Corp カメラのシャッタ制御装置
JP4804062B2 (ja) * 2005-07-29 2011-10-26 オリンパス株式会社 内視鏡システム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS516537A (ja) * 1974-07-05 1976-01-20 Canon Kk Roshutsuseigyohoho
JPS5916253B2 (ja) * 1976-01-30 1984-04-14 キヤノン株式会社 写真カメラの露出情報記憶装置
JPS5443727A (en) * 1977-09-13 1979-04-06 Minolta Camera Co Ltd Exposure control device for camera
DE2832033A1 (de) * 1978-07-21 1980-01-31 Braun Ag Steuersystem fuer eine laufbildkamera, insbesondere eine tonfilmkamera
DE3016084A1 (de) * 1979-04-27 1980-11-13 Nippon Kogaku Kk Belichtungssteuereinrichtung fuer eine kamera
JPS5652732A (en) * 1979-10-05 1981-05-12 Fuji Photo Film Co Ltd Exposure control method
JPS5730822A (en) * 1980-07-31 1982-02-19 Olympus Optical Co Ltd Average photometry method at plural points of automatic exposure camera
JPS5738423A (en) * 1980-08-19 1982-03-03 Minolta Camera Co Ltd Exposure display device of camera

Also Published As

Publication number Publication date
JPS587616A (ja) 1983-01-17
DE3225417A1 (de) 1983-01-27
DE3225417C2 (de) 1985-08-08
US4453811A (en) 1984-06-12

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