FR1146669A - Photographic shutter equipped with a snap-in and release device for automatic exposure adjustment - Google Patents

Photographic shutter equipped with a snap-in and release device for automatic exposure adjustment

Info

Publication number
FR1146669A
FR1146669A FR1146669DA FR1146669A FR 1146669 A FR1146669 A FR 1146669A FR 1146669D A FR1146669D A FR 1146669DA FR 1146669 A FR1146669 A FR 1146669A
Authority
FR
France
Prior art keywords
snap
release device
automatic exposure
exposure adjustment
photographic shutter
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 FR1146669A publication Critical patent/FR1146669A/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)
FR1146669D 1955-01-22 1956-01-17 Photographic shutter equipped with a snap-in and release device for automatic exposure adjustment Expired FR1146669A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1146669X 1955-01-22

Publications (1)

Publication Number Publication Date
FR1146669A true FR1146669A (en) 1957-11-14

Family

ID=11431939

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1146669D Expired FR1146669A (en) 1955-01-22 1956-01-17 Photographic shutter equipped with a snap-in and release device for automatic exposure adjustment

Country Status (1)

Country Link
FR (1) FR1146669A (en)

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