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FR1354141A - Automatic diaphragm control device for photographic camera - Google Patents

Automatic diaphragm control device for photographic camera

Info

Publication number
FR1354141A
FR1354141A FR915817A FR915817A FR1354141A FR 1354141 A FR1354141 A FR 1354141A FR 915817 A FR915817 A FR 915817A FR 915817 A FR915817 A FR 915817A FR 1354141 A FR1354141 A FR 1354141A
Authority
FR
France
Prior art keywords
control device
photographic camera
diaphragm control
automatic diaphragm
automatic
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
FR915817A
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.)
Elmo Co Ltd
Original Assignee
Elmo Co Ltd
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 Elmo Co Ltd filed Critical Elmo Co Ltd
Priority to FR915817A priority Critical patent/FR1354141A/en
Application granted granted Critical
Publication of FR1354141A publication Critical patent/FR1354141A/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)
FR915817A 1962-11-19 1962-11-19 Automatic diaphragm control device for photographic camera Expired FR1354141A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR915817A FR1354141A (en) 1962-11-19 1962-11-19 Automatic diaphragm control device for photographic camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR915817A FR1354141A (en) 1962-11-19 1962-11-19 Automatic diaphragm control device for photographic camera

Publications (1)

Publication Number Publication Date
FR1354141A true FR1354141A (en) 1964-03-06

Family

ID=8791057

Family Applications (1)

Application Number Title Priority Date Filing Date
FR915817A Expired FR1354141A (en) 1962-11-19 1962-11-19 Automatic diaphragm control device for photographic camera

Country Status (1)

Country Link
FR (1) FR1354141A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5859892A (en) * 1995-12-22 1999-01-12 U.S. Philips Corporation X-ray examination apparatus including a subtraction unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5859892A (en) * 1995-12-22 1999-01-12 U.S. Philips Corporation X-ray examination apparatus including a subtraction unit

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