FR1183178A - Pneumatic exposure adjuster for cameras - Google Patents

Pneumatic exposure adjuster for cameras

Info

Publication number
FR1183178A
FR1183178A FR1183178DA FR1183178A FR 1183178 A FR1183178 A FR 1183178A FR 1183178D A FR1183178D A FR 1183178DA FR 1183178 A FR1183178 A FR 1183178A
Authority
FR
France
Prior art keywords
cameras
exposure adjuster
pneumatic
pneumatic exposure
adjuster
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
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.)
Agfa Gevaert NV
Original Assignee
Agfa Camera Werk AG
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 Agfa Camera Werk AG filed Critical Agfa Camera Werk AG
Application granted granted Critical
Publication of FR1183178A publication Critical patent/FR1183178A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1183178D 1956-09-25 1957-09-20 Pneumatic exposure adjuster for cameras Expired FR1183178A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1183178X 1956-09-25

Publications (1)

Publication Number Publication Date
FR1183178A true FR1183178A (en) 1959-07-03

Family

ID=7730499

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1183178D Expired FR1183178A (en) 1956-09-25 1957-09-20 Pneumatic exposure adjuster for cameras

Country Status (1)

Country Link
FR (1) FR1183178A (en)

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