DE3220015A1 - Automatische belichtungssteuereinrichtung fuer eine kamera - Google Patents

Automatische belichtungssteuereinrichtung fuer eine kamera

Info

Publication number
DE3220015A1
DE3220015A1 DE19823220015 DE3220015A DE3220015A1 DE 3220015 A1 DE3220015 A1 DE 3220015A1 DE 19823220015 DE19823220015 DE 19823220015 DE 3220015 A DE3220015 A DE 3220015A DE 3220015 A1 DE3220015 A1 DE 3220015A1
Authority
DE
Germany
Prior art keywords
camera
control device
exposure control
automatic exposure
automatic
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.)
Granted
Application number
DE19823220015
Other languages
English (en)
Other versions
DE3220015C2 (de
Inventor
Masafumi Yamasaki
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
Publication of DE3220015A1 publication Critical patent/DE3220015A1/de
Application granted granted Critical
Publication of DE3220015C2 publication Critical patent/DE3220015C2/de
Expired 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
    • G03B7/093—Digital circuits for control of exposure time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Exposure Control For Cameras (AREA)
DE3220015A 1981-05-27 1982-05-27 Automatische Belichtungssteuereinrichtung für eine Kamera Expired DE3220015C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56081587A JPS57195226A (en) 1981-05-27 1981-05-27 Automatic exposure controller of camera

Publications (2)

Publication Number Publication Date
DE3220015A1 true DE3220015A1 (de) 1983-03-03
DE3220015C2 DE3220015C2 (de) 1985-07-04

Family

ID=13750445

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3220015A Expired DE3220015C2 (de) 1981-05-27 1982-05-27 Automatische Belichtungssteuereinrichtung für eine Kamera

Country Status (3)

Country Link
US (1) US4500192A (de)
JP (1) JPS57195226A (de)
DE (1) DE3220015C2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414795A1 (de) * 1983-04-18 1984-10-25 Olympus Optical Co., Ltd., Tokio/Tokyo Belichtungskorrekturvorrichtung
US6200646B1 (en) 1999-08-25 2001-03-13 Spectra Group Limited, Inc. Method for forming polymeric patterns, relief images and colored polymeric bodies using digital light processing technology

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0719008B2 (ja) * 1985-12-14 1995-03-06 株式会社コパル プログラムシヤツタの制御回路
JP2896916B2 (ja) * 1990-04-09 1999-05-31 セイコープレシジョン株式会社 カメラ用測光装置
JP3181579B2 (ja) * 1990-07-26 2001-07-03 旭光学工業株式会社 内視鏡用撮影システムの露光制御装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2262465A1 (de) * 1972-12-20 1974-06-27 Leitz Ernst Gmbh Vorrichtung zur steuerung der belichtungszeit in fotografischen kameras
DE2625004A1 (de) * 1975-06-04 1976-12-09 Canon Kk System zum einstellen einer photografischen information fuer eine kamera
DE2616702A1 (de) * 1975-04-18 1976-12-23 Canon Kk Belichtungssteuereinrichtung
DE3003745A1 (de) * 1979-02-01 1980-08-07 Asahi Optical Co Ltd Belichtungszeit-steuerschaltung fuer eine kamera

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2840185C2 (de) * 1978-09-15 1980-10-16 Prontor-Werk Alfred Gauthier Gmbh, 7547 Wildbad Steuergerät für photographische Kameras, insbesondere Fachkameras

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2262465A1 (de) * 1972-12-20 1974-06-27 Leitz Ernst Gmbh Vorrichtung zur steuerung der belichtungszeit in fotografischen kameras
DE2616702A1 (de) * 1975-04-18 1976-12-23 Canon Kk Belichtungssteuereinrichtung
DE2625004A1 (de) * 1975-06-04 1976-12-09 Canon Kk System zum einstellen einer photografischen information fuer eine kamera
DE3003745A1 (de) * 1979-02-01 1980-08-07 Asahi Optical Co Ltd Belichtungszeit-steuerschaltung fuer eine kamera

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414795A1 (de) * 1983-04-18 1984-10-25 Olympus Optical Co., Ltd., Tokio/Tokyo Belichtungskorrekturvorrichtung
US6200646B1 (en) 1999-08-25 2001-03-13 Spectra Group Limited, Inc. Method for forming polymeric patterns, relief images and colored polymeric bodies using digital light processing technology

Also Published As

Publication number Publication date
US4500192A (en) 1985-02-19
DE3220015C2 (de) 1985-07-04
JPS57195226A (en) 1982-11-30

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee