DE3100187C2 - Elektromagnetisch angetriebene Verschlußeinrichtung - Google Patents

Elektromagnetisch angetriebene Verschlußeinrichtung

Info

Publication number
DE3100187C2
DE3100187C2 DE3100187A DE3100187A DE3100187C2 DE 3100187 C2 DE3100187 C2 DE 3100187C2 DE 3100187 A DE3100187 A DE 3100187A DE 3100187 A DE3100187 A DE 3100187A DE 3100187 C2 DE3100187 C2 DE 3100187C2
Authority
DE
Germany
Prior art keywords
permanent magnet
yoke
electromagnetically driven
shutter
locking 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
Application number
DE3100187A
Other languages
German (de)
English (en)
Other versions
DE3100187A1 (de
Inventor
Syuichiro Kawasaki Kanagawa Saito
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
Publication of DE3100187A1 publication Critical patent/DE3100187A1/de
Application granted granted Critical
Publication of DE3100187C2 publication Critical patent/DE3100187C2/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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • 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
    • G03B9/18—More than two members

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
  • Electromagnets (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Exposure Control For Cameras (AREA)
DE3100187A 1980-01-08 1981-01-07 Elektromagnetisch angetriebene Verschlußeinrichtung Expired DE3100187C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980000500U JPS56102525U (enExample) 1980-01-08 1980-01-08

Publications (2)

Publication Number Publication Date
DE3100187A1 DE3100187A1 (de) 1981-12-03
DE3100187C2 true DE3100187C2 (de) 1983-04-14

Family

ID=11475471

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3100187A Expired DE3100187C2 (de) 1980-01-08 1981-01-07 Elektromagnetisch angetriebene Verschlußeinrichtung

Country Status (2)

Country Link
JP (1) JPS56102525U (enExample)
DE (1) DE3100187C2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6068524U (ja) * 1983-10-14 1985-05-15 キヤノン株式会社 シヤツタ−の電磁駆動装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3056341A (en) * 1958-05-15 1962-10-02 Polaroid Corp Photographic shutter mechanism
DE1198451B (de) * 1959-06-12 1965-08-12 Elektro App Werke Berlin Trept Magnetsystem fuer Kernmagnetmesswerke

Also Published As

Publication number Publication date
DE3100187A1 (de) 1981-12-03
JPS56102525U (enExample) 1981-08-11

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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