FR2176229A5 - - Google Patents

Info

Publication number
FR2176229A5
FR2176229A5 FR7208995A FR7208995A FR2176229A5 FR 2176229 A5 FR2176229 A5 FR 2176229A5 FR 7208995 A FR7208995 A FR 7208995A FR 7208995 A FR7208995 A FR 7208995A FR 2176229 A5 FR2176229 A5 FR 2176229A5
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.)
Expired
Application number
FR7208995A
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.)
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Original Assignee
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
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 Societe dOptique Precision Electronique et Mecanique SOPELEM SA filed Critical Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Priority to FR7208995A priority Critical patent/FR2176229A5/fr
Priority to DE19732308550 priority patent/DE2308550C3/en
Priority to GB1259073A priority patent/GB1373468A/en
Application granted granted Critical
Publication of FR2176229A5 publication Critical patent/FR2176229A5/fr
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)
  • Shutters For Cameras (AREA)
FR7208995A 1972-03-15 1972-03-15 Expired FR2176229A5 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7208995A FR2176229A5 (en) 1972-03-15 1972-03-15
DE19732308550 DE2308550C3 (en) 1972-03-15 1973-02-21 Apparatus for controlling the exposure time for a photographic camera
GB1259073A GB1373468A (en) 1972-03-15 1973-03-15 Method of controlling exposure times in photographic apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7208995A FR2176229A5 (en) 1972-03-15 1972-03-15

Publications (1)

Publication Number Publication Date
FR2176229A5 true FR2176229A5 (en) 1973-10-26

Family

ID=9095231

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7208995A Expired FR2176229A5 (en) 1972-03-15 1972-03-15

Country Status (3)

Country Link
DE (1) DE2308550C3 (en)
FR (1) FR2176229A5 (en)
GB (1) GB1373468A (en)

Also Published As

Publication number Publication date
DE2308550B2 (en) 1975-01-16
DE2308550A1 (en) 1973-09-20
DE2308550C3 (en) 1975-08-21
GB1373468A (en) 1974-11-13

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Legal Events

Date Code Title Description
ST Notification of lapse