FR2241799A1 - - Google Patents

Info

Publication number
FR2241799A1
FR2241799A1 FR7428973A FR7428973A FR2241799A1 FR 2241799 A1 FR2241799 A1 FR 2241799A1 FR 7428973 A FR7428973 A FR 7428973A FR 7428973 A FR7428973 A FR 7428973A FR 2241799 A1 FR2241799 A1 FR 2241799A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7428973A
Other languages
French (fr)
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 FR2241799A1 publication Critical patent/FR2241799A1/fr
Withdrawn legal-status Critical Current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)
  • Shutters For Cameras (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
FR7428973A 1973-08-24 1974-08-23 Withdrawn FR2241799A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9500573A JPS5044823A (de) 1973-08-24 1973-08-24

Publications (1)

Publication Number Publication Date
FR2241799A1 true FR2241799A1 (de) 1975-03-21

Family

ID=14125797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7428973A Withdrawn FR2241799A1 (de) 1973-08-24 1974-08-23

Country Status (4)

Country Link
JP (1) JPS5044823A (de)
DE (1) DE2440730A1 (de)
FR (1) FR2241799A1 (de)
GB (1) GB1457603A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0740108B2 (ja) * 1984-05-30 1995-05-01 株式会社精工舎 プログラムシヤツタの制御回路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742826A (en) * 1970-01-07 1973-07-03 Canon Kk Exposure control device

Also Published As

Publication number Publication date
GB1457603A (en) 1976-12-08
JPS5044823A (de) 1975-04-22
DE2440730A1 (de) 1975-03-06

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Legal Events

Date Code Title Description
ST Notification of lapse