FR1430687A - New photoelectric device for controlling the luminance for still cameras - Google Patents

New photoelectric device for controlling the luminance for still cameras

Info

Publication number
FR1430687A
FR1430687A FR12973A FR12973A FR1430687A FR 1430687 A FR1430687 A FR 1430687A FR 12973 A FR12973 A FR 12973A FR 12973 A FR12973 A FR 12973A FR 1430687 A FR1430687 A FR 1430687A
Authority
FR
France
Prior art keywords
luminance
controlling
photoelectric device
still cameras
new photoelectric
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
FR12973A
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Priority to FR12973A priority Critical patent/FR1430687A/en
Application granted granted Critical
Publication of FR1430687A publication Critical patent/FR1430687A/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)
FR12973A 1965-04-13 1965-04-13 New photoelectric device for controlling the luminance for still cameras Expired FR1430687A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR12973A FR1430687A (en) 1965-04-13 1965-04-13 New photoelectric device for controlling the luminance for still cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR12973A FR1430687A (en) 1965-04-13 1965-04-13 New photoelectric device for controlling the luminance for still cameras

Publications (1)

Publication Number Publication Date
FR1430687A true FR1430687A (en) 1966-03-04

Family

ID=8576261

Family Applications (1)

Application Number Title Priority Date Filing Date
FR12973A Expired FR1430687A (en) 1965-04-13 1965-04-13 New photoelectric device for controlling the luminance for still cameras

Country Status (1)

Country Link
FR (1) FR1430687A (en)

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