FR1000621A - Automatic diaphragm control - Google Patents

Automatic diaphragm control

Info

Publication number
FR1000621A
FR1000621A FR1000621DA FR1000621A FR 1000621 A FR1000621 A FR 1000621A FR 1000621D A FR1000621D A FR 1000621DA FR 1000621 A FR1000621 A FR 1000621A
Authority
FR
France
Prior art keywords
diaphragm control
automatic diaphragm
automatic
control
diaphragm
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)
Inventor
Dimitri Issaiewitch-Rebikoff
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 FR1000621A publication Critical patent/FR1000621A/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
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1000621D 1946-03-12 1946-03-12 Automatic diaphragm control Expired FR1000621A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1000621T 1946-03-12

Publications (1)

Publication Number Publication Date
FR1000621A true FR1000621A (en) 1952-02-14

Family

ID=9560544

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1000621D Expired FR1000621A (en) 1946-03-12 1946-03-12 Automatic diaphragm control

Country Status (1)

Country Link
FR (1) FR1000621A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1095108B (en) * 1956-03-31 1960-12-15 Gauthier Gmbh A Photographic camera or photographic shutter with automatic exposure adjustment
DE1107070B (en) * 1958-02-20 1961-05-18 Dresden Feinmess Fully automatic exposure meter or controller for photographic or cinematographic cameras
DE1156643B (en) * 1956-06-26 1963-10-31 Voigtlaender Ag Device for automatic exposure control
DE1158361B (en) * 1954-03-01 1963-11-28 Agfa Ag Photographic device with a photoelectric light measuring or control device
DE1266792B (en) * 1963-04-16 1968-04-25 Philips Nv Television arrangement with a receiving tube, in front of which a diaphragm with a variable opening is arranged

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1158361B (en) * 1954-03-01 1963-11-28 Agfa Ag Photographic device with a photoelectric light measuring or control device
DE1095108B (en) * 1956-03-31 1960-12-15 Gauthier Gmbh A Photographic camera or photographic shutter with automatic exposure adjustment
DE1156643B (en) * 1956-06-26 1963-10-31 Voigtlaender Ag Device for automatic exposure control
DE1107070B (en) * 1958-02-20 1961-05-18 Dresden Feinmess Fully automatic exposure meter or controller for photographic or cinematographic cameras
DE1266792B (en) * 1963-04-16 1968-04-25 Philips Nv Television arrangement with a receiving tube, in front of which a diaphragm with a variable opening is arranged

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