FR1528131A - Advanced automatic device for controlling the exposure of still cameras - Google Patents

Advanced automatic device for controlling the exposure of still cameras

Info

Publication number
FR1528131A
FR1528131A FR106156A FR106156A FR1528131A FR 1528131 A FR1528131 A FR 1528131A FR 106156 A FR106156 A FR 106156A FR 106156 A FR106156 A FR 106156A FR 1528131 A FR1528131 A FR 1528131A
Authority
FR
France
Prior art keywords
exposure
controlling
automatic device
still cameras
advanced 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
FR106156A
Other languages
French (fr)
Inventor
Richard Harold Davison
Milton Simon Dietz
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.)
Polaroid Corp
International Polaroid Corp
Original Assignee
Polaroid Corp
International Polaroid Corp
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 Polaroid Corp, International Polaroid Corp filed Critical Polaroid Corp
Priority to FR106156A priority Critical patent/FR1528131A/en
Application granted granted Critical
Publication of FR1528131A publication Critical patent/FR1528131A/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
    • G03B7/087—Analogue circuits for control of both exposure time and aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR106156A 1967-05-11 1967-05-11 Advanced automatic device for controlling the exposure of still cameras Expired FR1528131A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR106156A FR1528131A (en) 1967-05-11 1967-05-11 Advanced automatic device for controlling the exposure of still cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR106156A FR1528131A (en) 1967-05-11 1967-05-11 Advanced automatic device for controlling the exposure of still cameras

Publications (1)

Publication Number Publication Date
FR1528131A true FR1528131A (en) 1968-06-07

Family

ID=8630713

Family Applications (1)

Application Number Title Priority Date Filing Date
FR106156A Expired FR1528131A (en) 1967-05-11 1967-05-11 Advanced automatic device for controlling the exposure of still cameras

Country Status (1)

Country Link
FR (1) FR1528131A (en)

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