GB2016718B - Shutter timing circuit - Google Patents

Shutter timing circuit

Info

Publication number
GB2016718B
GB2016718B GB7904749A GB7904749A GB2016718B GB 2016718 B GB2016718 B GB 2016718B GB 7904749 A GB7904749 A GB 7904749A GB 7904749 A GB7904749 A GB 7904749A GB 2016718 B GB2016718 B GB 2016718B
Authority
GB
United Kingdom
Prior art keywords
timing circuit
shutter timing
shutter
circuit
timing
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
GB7904749A
Other versions
GB2016718A (en
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.)
Rollei Werke Franke und Heidecke GmbH and Co KG
Original Assignee
Rollei Werke Franke und Heidecke GmbH and Co KG
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 Rollei Werke Franke und Heidecke GmbH and Co KG filed Critical Rollei Werke Franke und Heidecke GmbH and Co KG
Publication of GB2016718A publication Critical patent/GB2016718A/en
Application granted granted Critical
Publication of GB2016718B publication Critical patent/GB2016718B/en
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
    • 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
    • G03B7/081—Analogue circuits
    • G03B7/083—Analogue circuits for control of exposure time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutters For Cameras (AREA)
GB7904749A 1978-03-14 1979-02-09 Shutter timing circuit Expired GB2016718B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782810907 DE2810907A1 (en) 1978-03-14 1978-03-14 PHOTOGRAPHIC CAMERA WITH AUTO EXPOSURE

Publications (2)

Publication Number Publication Date
GB2016718A GB2016718A (en) 1979-09-26
GB2016718B true GB2016718B (en) 1982-07-07

Family

ID=6034338

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7904749A Expired GB2016718B (en) 1978-03-14 1979-02-09 Shutter timing circuit

Country Status (3)

Country Link
JP (1) JPS54127323A (en)
DE (1) DE2810907A1 (en)
GB (1) GB2016718B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408852A (en) * 1980-12-05 1983-10-11 Olympus Optical Company Ltd. Automatic exposure controller for camera of TTL direct photometry type
JPS57157225A (en) * 1981-03-24 1982-09-28 Olympus Optical Co Ltd Control circuit for exposure of camera

Also Published As

Publication number Publication date
DE2810907A1 (en) 1979-09-27
JPS54127323A (en) 1979-10-03
GB2016718A (en) 1979-09-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee