JPS53130017A - Electromagnetic shutter control device - Google Patents

Electromagnetic shutter control device

Info

Publication number
JPS53130017A
JPS53130017A JP4556777A JP4556777A JPS53130017A JP S53130017 A JPS53130017 A JP S53130017A JP 4556777 A JP4556777 A JP 4556777A JP 4556777 A JP4556777 A JP 4556777A JP S53130017 A JPS53130017 A JP S53130017A
Authority
JP
Japan
Prior art keywords
control device
shutter control
electromagnetic shutter
switch
shutter
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
JP4556777A
Other languages
Japanese (ja)
Inventor
Katsuhiko Tsunefuji
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
Priority to JP4556777A priority Critical patent/JPS53130017A/en
Priority to US05/892,732 priority patent/US4171156A/en
Priority to DE2857848A priority patent/DE2857848C2/en
Priority to DE2814787A priority patent/DE2814787C2/en
Publication of JPS53130017A publication Critical patent/JPS53130017A/en
Priority to US06/072,019 priority patent/US4332447A/en
Pending legal-status Critical Current

Links

Landscapes

  • Shutters For Cameras (AREA)

Abstract

PURPOSE: To obviate the non-exposure, worst situation by providing a switch which works by the open shutter,, and by closing the shutter with the later signal of the two signals, one signal due to the switch and the other signal due to the regular voltage of time-constant circuit.
COPYRIGHT: (C)1978,JPO&Japio
JP4556777A 1977-04-04 1977-04-20 Electromagnetic shutter control device Pending JPS53130017A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP4556777A JPS53130017A (en) 1977-04-20 1977-04-20 Electromagnetic shutter control device
US05/892,732 US4171156A (en) 1977-04-05 1978-04-03 Electromagnetic shutter apparatus for camera
DE2857848A DE2857848C2 (en) 1977-04-05 1978-04-05 Shutter control circuit for the electromagnetically actuated slat shutter of a camera
DE2814787A DE2814787C2 (en) 1977-04-05 1978-04-05 Double exposure lock
US06/072,019 US4332447A (en) 1977-04-04 1979-09-04 Electromagnetic shutter apparatus for camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4556777A JPS53130017A (en) 1977-04-20 1977-04-20 Electromagnetic shutter control device

Publications (1)

Publication Number Publication Date
JPS53130017A true JPS53130017A (en) 1978-11-13

Family

ID=12722916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4556777A Pending JPS53130017A (en) 1977-04-04 1977-04-20 Electromagnetic shutter control device

Country Status (1)

Country Link
JP (1) JPS53130017A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55101923A (en) * 1979-01-31 1980-08-04 Canon Inc Electromagnetically driven shutter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974935A (en) * 1972-11-17 1974-07-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974935A (en) * 1972-11-17 1974-07-19

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55101923A (en) * 1979-01-31 1980-08-04 Canon Inc Electromagnetically driven shutter
JPS6151779B2 (en) * 1979-01-31 1986-11-10 Canon Kk

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