DE69021297D1 - Verschlussvorrichtung, welche auch als Blendeneinrichtung nutzbar ist. - Google Patents

Verschlussvorrichtung, welche auch als Blendeneinrichtung nutzbar ist.

Info

Publication number
DE69021297D1
DE69021297D1 DE69021297T DE69021297T DE69021297D1 DE 69021297 D1 DE69021297 D1 DE 69021297D1 DE 69021297 T DE69021297 T DE 69021297T DE 69021297 T DE69021297 T DE 69021297T DE 69021297 D1 DE69021297 D1 DE 69021297D1
Authority
DE
Germany
Prior art keywords
aperture
closure
closure device
aperture device
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 - Fee Related
Application number
DE69021297T
Other languages
English (en)
Other versions
DE69021297T2 (de
Inventor
Yoshinobu Sato
Kazuhiro Matsunaga
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP22578889A external-priority patent/JPH0389224A/ja
Priority claimed from JP22578989A external-priority patent/JPH0389225A/ja
Priority claimed from JP22579089A external-priority patent/JPH0389223A/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69021297D1 publication Critical patent/DE69021297D1/de
Publication of DE69021297T2 publication Critical patent/DE69021297T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • G03B9/24—Adjusting size of aperture formed by members when fully open so as to constitute a virtual diaphragm that is adjustable
    • 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
    • G03B7/097—Digital circuits for control of both exposure time and aperture
    • 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
    • G03B7/10—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 a servo-motor providing energy to move the setting member

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
  • Exposure Control For Cameras (AREA)
DE69021297T 1989-08-31 1990-08-30 Verschlussvorrichtung, welche auch als Blendeneinrichtung nutzbar ist. Expired - Fee Related DE69021297T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP22578889A JPH0389224A (ja) 1989-08-31 1989-08-31 半開式シャッター装置
JP22578989A JPH0389225A (ja) 1989-08-31 1989-08-31 半開式シャッター装置
JP22579089A JPH0389223A (ja) 1989-08-31 1989-08-31 半開式シャッター装置

Publications (2)

Publication Number Publication Date
DE69021297D1 true DE69021297D1 (de) 1995-09-07
DE69021297T2 DE69021297T2 (de) 1996-01-04

Family

ID=27331095

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69021297T Expired - Fee Related DE69021297T2 (de) 1989-08-31 1990-08-30 Verschlussvorrichtung, welche auch als Blendeneinrichtung nutzbar ist.

Country Status (3)

Country Link
US (1) US5079583A (de)
EP (1) EP0415409B1 (de)
DE (1) DE69021297T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04178114A (ja) * 1990-11-09 1992-06-25 Canon Inc 電子機器
KR940010591B1 (ko) * 1991-11-28 1994-10-24 삼성전자 주식회사 자동노출장치
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
KR0174997B1 (ko) * 1996-12-20 1999-03-20 김광호 노광설비의 이중노광 방지장치
US6767308B2 (en) * 2001-03-09 2004-07-27 Shimano Inc. Method of controlling bicycle assembly
JP5408996B2 (ja) * 2008-12-25 2014-02-05 オリンパス株式会社 光調節装置の制御方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5154431A (de) * 1974-11-08 1976-05-13 Fuji Photo Optical Co Ltd
US4209243A (en) * 1978-12-01 1980-06-24 Polaroid Corporation Shutter and trim apparatus
JPS5745514A (en) * 1980-08-30 1982-03-15 Nippon Kogaku Kk <Nikon> Exposure controller of photographying device of microscope
US4645326A (en) * 1984-03-30 1987-02-24 Canon Kabushiki Kaisha Camera with computer circuit
JPH0834422B2 (ja) * 1984-09-19 1996-03-29 株式会社ニコン 電力供給装置
US4811044A (en) * 1986-08-12 1989-03-07 Minolta Camera Kabushiki Kaisha Shutter actuating device
US4922283A (en) * 1988-02-12 1990-05-01 Canon Kabushiki Kaisha Optical instrument
JPH01222240A (ja) * 1988-03-01 1989-09-05 Konica Corp カメラ用昇圧回路

Also Published As

Publication number Publication date
DE69021297T2 (de) 1996-01-04
EP0415409A3 (en) 1991-05-29
US5079583A (en) 1992-01-07
EP0415409B1 (de) 1995-08-02
EP0415409A2 (de) 1991-03-06

Similar Documents

Publication Publication Date Title
NO904394D0 (no) Tampong, samt fremgangsmaate og innretning for fremstilling av samme.
NO905125D0 (no) Administrerings-innretning.
NO903638D0 (no) Lukkeanordning.
DE59001273D1 (de) Leiteinrichtung.
FI902190A0 (fi) Anordning foer framstaellning av heta drycker i en mikrovaogsugn.
DE59009278D1 (de) UV-vernetzbare Copolymerisate.
DE59009217D1 (de) Arretiervorrichtung.
DE69010770D1 (de) Strombegrenzungsvorrichtung.
DE69019033D1 (de) Spulenvorrichtung.
DE69021297D1 (de) Verschlussvorrichtung, welche auch als Blendeneinrichtung nutzbar ist.
DE59008348D1 (de) Korpuskularstrahlgerät.
ES1009123Y (es) Aparato gimnastico-recreativo.
DE69011945D1 (de) Blattwendeapparat.
NO890446D0 (no) Forskalingsanordning.
DE69010978D1 (de) Ausrichtvorrichtung.
DE59005336D1 (de) Modifiziertes Polyisobuten.
DE59006537D1 (de) Ionenerzeugende Einrichtung.
NO902283L (no) Adaptivt analyseanordning.
FI900858A0 (fi) Abonnent-telefonanordning.
DE59000611D1 (de) Verschlussvorrichtung.
NO167726C (no) Anordning ved tilhenger til traktor e.l.
ES1009475Y (es) Dispositivo de alarma perfeccionado.
ES1009739Y (es) Aparato microfonografico perfeccionado.
ES1011552Y (es) Dispositivo pelalimones perfeccionado.
IT8920290A0 (it) Dispositivo di sicurezza.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee