JPH0322745Y2 - - Google Patents

Info

Publication number
JPH0322745Y2
JPH0322745Y2 JP1980059668U JP5966880U JPH0322745Y2 JP H0322745 Y2 JPH0322745 Y2 JP H0322745Y2 JP 1980059668 U JP1980059668 U JP 1980059668U JP 5966880 U JP5966880 U JP 5966880U JP H0322745 Y2 JPH0322745 Y2 JP H0322745Y2
Authority
JP
Japan
Prior art keywords
aperture
voltage
light
circuit
output
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
Application number
JP1980059668U
Other languages
English (en)
Japanese (ja)
Other versions
JPS56161617U (OSRAM
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 filed Critical
Priority to JP1980059668U priority Critical patent/JPH0322745Y2/ja
Priority to DE3116070A priority patent/DE3116070C2/de
Priority to US06/258,043 priority patent/US4514075A/en
Priority to GB8113250A priority patent/GB2074743B/en
Publication of JPS56161617U publication Critical patent/JPS56161617U/ja
Application granted granted Critical
Publication of JPH0322745Y2 publication Critical patent/JPH0322745Y2/ja
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
    • G03B7/095—Digital circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Exposure Control For Cameras (AREA)
  • Stroboscope Apparatuses (AREA)
JP1980059668U 1980-04-30 1980-04-30 Expired JPH0322745Y2 (OSRAM)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1980059668U JPH0322745Y2 (OSRAM) 1980-04-30 1980-04-30
DE3116070A DE3116070C2 (de) 1980-04-30 1981-04-22 Blendensteuerschaltung für photographische Kameras mit automatischer Blendensteuerung
US06/258,043 US4514075A (en) 1980-04-30 1981-04-28 Automatic control apparatus for photographic camera
GB8113250A GB2074743B (en) 1980-04-30 1981-04-29 Diaphragm control circuit for a photographic camera of the automatic diaphragm control type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980059668U JPH0322745Y2 (OSRAM) 1980-04-30 1980-04-30

Publications (2)

Publication Number Publication Date
JPS56161617U JPS56161617U (OSRAM) 1981-12-01
JPH0322745Y2 true JPH0322745Y2 (OSRAM) 1991-05-17

Family

ID=13119794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980059668U Expired JPH0322745Y2 (OSRAM) 1980-04-30 1980-04-30

Country Status (4)

Country Link
US (1) US4514075A (OSRAM)
JP (1) JPH0322745Y2 (OSRAM)
DE (1) DE3116070C2 (OSRAM)
GB (1) GB2074743B (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60149032A (ja) * 1984-01-13 1985-08-06 Olympus Optical Co Ltd 絞り値自動制御式カメラ
US5134435A (en) * 1985-04-25 1992-07-28 Canon Kabushiki Kaisha Camera
JPH07295023A (ja) * 1994-04-22 1995-11-10 Nikon Corp カメラの絞り制御装置
KR100227681B1 (ko) * 1994-07-18 1999-11-01 유무성 신호 안정부를 이용한 매뉴얼 포커싱 회로
US5953545A (en) * 1996-01-26 1999-09-14 Asahi Kogaku Kogyo Kabushiki Kaisha Exposure controlling device for camera
US5790905A (en) * 1996-01-26 1998-08-04 Asahi Kogaku Kogyo Kabushiki Kaisha Exposure controlling device for camera
US5930535A (en) * 1996-12-03 1999-07-27 Asahi Kogaku Kogyo Kabushiki Kaisha Exposure control device for camera

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034383A (en) * 1974-04-23 1977-07-05 Canon Kabushiki Kaisha Exposure control device
JPS5150729A (en) * 1974-10-29 1976-05-04 Asahi Optical Co Ltd Kamerano jidoroshutsuseigyosochi
US4079387A (en) * 1975-05-27 1978-03-14 Canon Kabushiki Kaisha Counter circuit for a camera
JPS5431735A (en) * 1977-08-15 1979-03-08 Copal Co Ltd Automatic iris control device

Also Published As

Publication number Publication date
US4514075A (en) 1985-04-30
JPS56161617U (OSRAM) 1981-12-01
GB2074743A (en) 1981-11-04
DE3116070C2 (de) 1989-11-02
DE3116070A1 (de) 1982-02-11
GB2074743B (en) 1983-12-14

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