FR1404242A - Automatic device for adjusting the lumination for cameras - Google Patents

Automatic device for adjusting the lumination for cameras

Info

Publication number
FR1404242A
FR1404242A FR985077A FR985077A FR1404242A FR 1404242 A FR1404242 A FR 1404242A FR 985077 A FR985077 A FR 985077A FR 985077 A FR985077 A FR 985077A FR 1404242 A FR1404242 A FR 1404242A
Authority
FR
France
Prior art keywords
lumination
cameras
adjusting
automatic device
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
FR985077A
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 FR985077A priority Critical patent/FR1404242A/en
Application granted granted Critical
Publication of FR1404242A publication Critical patent/FR1404242A/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)
FR985077A 1964-08-13 1964-08-13 Automatic device for adjusting the lumination for cameras Expired FR1404242A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR985077A FR1404242A (en) 1964-08-13 1964-08-13 Automatic device for adjusting the lumination for cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR985077A FR1404242A (en) 1964-08-13 1964-08-13 Automatic device for adjusting the lumination for cameras

Publications (1)

Publication Number Publication Date
FR1404242A true FR1404242A (en) 1965-06-25

Family

ID=8836615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR985077A Expired FR1404242A (en) 1964-08-13 1964-08-13 Automatic device for adjusting the lumination for cameras

Country Status (1)

Country Link
FR (1) FR1404242A (en)

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