FR1571113A - - Google Patents

Info

Publication number
FR1571113A
FR1571113A FR1571113DA FR1571113A FR 1571113 A FR1571113 A FR 1571113A FR 1571113D A FR1571113D A FR 1571113DA FR 1571113 A FR1571113 A FR 1571113A
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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
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 filed Critical
Application granted granted Critical
Publication of FR1571113A publication Critical patent/FR1571113A/fr
Expired legal-status Critical Current

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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
    • G03B7/087—Analogue circuits for control of both exposure time and aperture
    • 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
    • G03B7/089—Analogue circuits for storage of exposure value in mirror reflex cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
FR1571113D 1967-06-29 1968-06-26 Expired FR1571113A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ0012923 1967-06-29

Publications (1)

Publication Number Publication Date
FR1571113A true FR1571113A (fr) 1969-06-13

Family

ID=7622898

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1571113D Expired FR1571113A (fr) 1967-06-29 1968-06-26

Country Status (4)

Country Link
US (1) US3528351A (fr)
CH (1) CH466958A (fr)
DE (1) DE1597450A1 (fr)
FR (1) FR1571113A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1936544A1 (de) * 1969-07-18 1971-01-28 Leitz Ernst Gmbh Schaltungsanordnung fuer Belichtungsmesser
JPS571813B1 (fr) * 1971-05-31 1982-01-13

Also Published As

Publication number Publication date
CH466958A (de) 1968-12-31
US3528351A (en) 1970-09-15
DE1597450A1 (de) 1970-05-06

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Legal Events

Date Code Title Description
ST Notification of lapse