GB1486668A - Photographic cameras - Google Patents

Photographic cameras

Info

Publication number
GB1486668A
GB1486668A GB7442/75A GB744275A GB1486668A GB 1486668 A GB1486668 A GB 1486668A GB 7442/75 A GB7442/75 A GB 7442/75A GB 744275 A GB744275 A GB 744275A GB 1486668 A GB1486668 A GB 1486668A
Authority
GB
United Kingdom
Prior art keywords
selector
exposure
photography
leds
feb
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
GB7442/75A
Other languages
English (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.)
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
Publication of GB1486668A publication Critical patent/GB1486668A/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
    • G03B7/091—Digital circuits
    • G03B7/093—Digital circuits for control of exposure time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutter-Related Mechanisms (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
GB7442/75A 1974-02-22 1975-02-21 Photographic cameras Expired GB1486668A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49021266A JPS50115819A (fr) 1974-02-22 1974-02-22

Publications (1)

Publication Number Publication Date
GB1486668A true GB1486668A (en) 1977-09-21

Family

ID=12050290

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7442/75A Expired GB1486668A (en) 1974-02-22 1975-02-21 Photographic cameras

Country Status (4)

Country Link
JP (1) JPS50115819A (fr)
DE (1) DE2507784A1 (fr)
FR (1) FR2262320B1 (fr)
GB (1) GB1486668A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60181730U (ja) * 1985-04-04 1985-12-03 キヤノン株式会社 電気シャッタ−カメラ

Also Published As

Publication number Publication date
JPS50115819A (fr) 1975-09-10
FR2262320A1 (fr) 1975-09-19
FR2262320B1 (fr) 1978-12-29
DE2507784A1 (de) 1975-08-28

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Legal Events

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