JPS5233524A - Exposure time setting device for the camera shutter - Google Patents

Exposure time setting device for the camera shutter

Info

Publication number
JPS5233524A
JPS5233524A JP50108748A JP10874875A JPS5233524A JP S5233524 A JPS5233524 A JP S5233524A JP 50108748 A JP50108748 A JP 50108748A JP 10874875 A JP10874875 A JP 10874875A JP S5233524 A JPS5233524 A JP S5233524A
Authority
JP
Japan
Prior art keywords
exposure time
setting device
time setting
camera shutter
selective
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
JP50108748A
Other languages
Japanese (ja)
Inventor
Tadashi Nakagawa
Mitsuo Koyama
Ichiro Nemoto
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.)
Seiko Koki KK
Original Assignee
Seiko Koki KK
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 Seiko Koki KK filed Critical Seiko Koki KK
Priority to JP50108748A priority Critical patent/JPS5233524A/en
Priority to DE19762640463 priority patent/DE2640463A1/en
Publication of JPS5233524A publication Critical patent/JPS5233524A/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutter-Related Mechanisms (AREA)
  • Shutters For Cameras (AREA)

Abstract

PURPOSE: To assuredly maintain a stable exposure time by rendering a release period of a closing member selective in the low speed exposure time region while a release period of an opening member due to a control member released by a shutter release selective in the high speed exposure time region.
COPYRIGHT: (C)1977,JPO&Japio
JP50108748A 1975-09-08 1975-09-08 Exposure time setting device for the camera shutter Pending JPS5233524A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP50108748A JPS5233524A (en) 1975-09-08 1975-09-08 Exposure time setting device for the camera shutter
DE19762640463 DE2640463A1 (en) 1975-09-08 1976-09-08 Precision shutter release for short, ,, hand-set exposures - delays opening shutter until moving release element has gained momentum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50108748A JPS5233524A (en) 1975-09-08 1975-09-08 Exposure time setting device for the camera shutter

Publications (1)

Publication Number Publication Date
JPS5233524A true JPS5233524A (en) 1977-03-14

Family

ID=14492501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50108748A Pending JPS5233524A (en) 1975-09-08 1975-09-08 Exposure time setting device for the camera shutter

Country Status (2)

Country Link
JP (1) JPS5233524A (en)
DE (1) DE2640463A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57155542A (en) * 1981-03-23 1982-09-25 Dainippon Printing Co Ltd Formation of halftone dot for printing
JPS6191661A (en) * 1984-10-11 1986-05-09 D S Sukiyanaa:Kk Method and device for forming halftone film varying in density continuously
JPS6255657A (en) * 1985-09-03 1987-03-11 Asahi Shinbunsha:Kk Netting method for electronic composition generating photograph

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS549621A (en) * 1977-06-23 1979-01-24 Seiko Koki Kk Exposure setting device for camera shutter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57155542A (en) * 1981-03-23 1982-09-25 Dainippon Printing Co Ltd Formation of halftone dot for printing
JPS6191661A (en) * 1984-10-11 1986-05-09 D S Sukiyanaa:Kk Method and device for forming halftone film varying in density continuously
JPS6255657A (en) * 1985-09-03 1987-03-11 Asahi Shinbunsha:Kk Netting method for electronic composition generating photograph
JPH052225B2 (en) * 1985-09-03 1993-01-12 Asahi Shimbun Publishing

Also Published As

Publication number Publication date
DE2640463A1 (en) 1977-03-10

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