FR1445991A - Device for controlling electric shutters - Google Patents

Device for controlling electric shutters

Info

Publication number
FR1445991A
FR1445991A FR29921A FR29921A FR1445991A FR 1445991 A FR1445991 A FR 1445991A FR 29921 A FR29921 A FR 29921A FR 29921 A FR29921 A FR 29921A FR 1445991 A FR1445991 A FR 1445991A
Authority
FR
France
Prior art keywords
controlling electric
electric shutters
shutters
controlling
electric
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
FR29921A
Other languages
French (fr)
Inventor
Helmut Schmitt
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.)
P Gossen and Co GmbH
Original Assignee
P Gossen and Co GmbH
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 P Gossen and Co GmbH filed Critical P Gossen and Co GmbH
Priority to FR29921A priority Critical patent/FR1445991A/en
Application granted granted Critical
Publication of FR1445991A publication Critical patent/FR1445991A/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
FR29921A 1965-08-31 1965-08-31 Device for controlling electric shutters Expired FR1445991A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR29921A FR1445991A (en) 1965-08-31 1965-08-31 Device for controlling electric shutters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR29921A FR1445991A (en) 1965-08-31 1965-08-31 Device for controlling electric shutters

Publications (1)

Publication Number Publication Date
FR1445991A true FR1445991A (en) 1966-07-15

Family

ID=8587512

Family Applications (1)

Application Number Title Priority Date Filing Date
FR29921A Expired FR1445991A (en) 1965-08-31 1965-08-31 Device for controlling electric shutters

Country Status (1)

Country Link
FR (1) FR1445991A (en)

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