JPS5785037A - Electromagnetic driver for programmed electromagnetic shutter - Google Patents

Electromagnetic driver for programmed electromagnetic shutter

Info

Publication number
JPS5785037A
JPS5785037A JP55162150A JP16215080A JPS5785037A JP S5785037 A JPS5785037 A JP S5785037A JP 55162150 A JP55162150 A JP 55162150A JP 16215080 A JP16215080 A JP 16215080A JP S5785037 A JPS5785037 A JP S5785037A
Authority
JP
Japan
Prior art keywords
core
pin
electromagnetic
blade
permanent magnet
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.)
Pending
Application number
JP55162150A
Other languages
English (en)
Inventor
Michiro Hirohata
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
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP55162150A priority Critical patent/JPS5785037A/ja
Priority to US06/320,503 priority patent/US4410255A/en
Publication of JPS5785037A publication Critical patent/JPS5785037A/ja
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
JP55162150A 1980-11-18 1980-11-18 Electromagnetic driver for programmed electromagnetic shutter Pending JPS5785037A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP55162150A JPS5785037A (en) 1980-11-18 1980-11-18 Electromagnetic driver for programmed electromagnetic shutter
US06/320,503 US4410255A (en) 1980-11-18 1981-11-12 Electromagnetic drive device for electro-magnetically operated shutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55162150A JPS5785037A (en) 1980-11-18 1980-11-18 Electromagnetic driver for programmed electromagnetic shutter

Publications (1)

Publication Number Publication Date
JPS5785037A true JPS5785037A (en) 1982-05-27

Family

ID=15748982

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55162150A Pending JPS5785037A (en) 1980-11-18 1980-11-18 Electromagnetic driver for programmed electromagnetic shutter

Country Status (2)

Country Link
US (1) US4410255A (ja)
JP (1) JPS5785037A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017010012A (ja) * 2015-06-16 2017-01-12 台湾東電化股▲ふん▼有限公司 バネ式二軸回転モジュール

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4557573A (en) * 1984-03-28 1985-12-10 Polaroid Corporation Photosensor arrangement for encoding lens and shutter blade position
US5561486A (en) * 1994-09-29 1996-10-01 Eastman Kodak Company Assembly for use in electromagnetic actuator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS561927A (en) * 1979-06-20 1981-01-10 Canon Inc Driving circuit of electromagnetically driven shutter
JPS56106229A (en) * 1980-01-25 1981-08-24 Canon Inc Camera with electromagnetic driving source
US4333722A (en) * 1980-12-22 1982-06-08 Eastman Kodak Company Method of controlling electromagnetic actuator in a camera, and actuator controllable thereby
US4338009A (en) * 1981-06-08 1982-07-06 Eastman Kodak Company Bistable actuating mechanism for optical apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017010012A (ja) * 2015-06-16 2017-01-12 台湾東電化股▲ふん▼有限公司 バネ式二軸回転モジュール

Also Published As

Publication number Publication date
US4410255A (en) 1983-10-18

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