FR1330203A - Commande automatique de diaphragme - Google Patents

Commande automatique de diaphragme

Info

Publication number
FR1330203A
FR1330203A FR896655A FR896655A FR1330203A FR 1330203 A FR1330203 A FR 1330203A FR 896655 A FR896655 A FR 896655A FR 896655 A FR896655 A FR 896655A FR 1330203 A FR1330203 A FR 1330203A
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
FR896655A
Other languages
English (en)
Inventor
Andre Gruget
Raymond Deloire
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.)
La Spirotechnique Industrielle et Commerciale
Original Assignee
La Spirotechnique Industrielle et Commerciale
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 La Spirotechnique Industrielle et Commerciale filed Critical La Spirotechnique Industrielle et Commerciale
Priority to FR896655A priority Critical patent/FR1330203A/fr
Application granted granted Critical
Publication of FR1330203A publication Critical patent/FR1330203A/fr
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)
FR896655A 1962-05-07 1962-05-07 Commande automatique de diaphragme Expired FR1330203A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR896655A FR1330203A (fr) 1962-05-07 1962-05-07 Commande automatique de diaphragme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR896655A FR1330203A (fr) 1962-05-07 1962-05-07 Commande automatique de diaphragme

Publications (1)

Publication Number Publication Date
FR1330203A true FR1330203A (fr) 1963-06-21

Family

ID=8778345

Family Applications (1)

Application Number Title Priority Date Filing Date
FR896655A Expired FR1330203A (fr) 1962-05-07 1962-05-07 Commande automatique de diaphragme

Country Status (1)

Country Link
FR (1) FR1330203A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230856A (en) * 1960-05-17 1966-01-25 Nippon Kogaku Kk Mechanism for selectively automatically and manually adjusting exposure apertures inphotographic cameras
US4041512A (en) * 1974-02-22 1977-08-09 West Electric Co., Ltd. Light control device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230856A (en) * 1960-05-17 1966-01-25 Nippon Kogaku Kk Mechanism for selectively automatically and manually adjusting exposure apertures inphotographic cameras
US4041512A (en) * 1974-02-22 1977-08-09 West Electric Co., Ltd. Light control device

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