FR1403258A - Automatic exposure adjustment device in cameras - Google Patents

Automatic exposure adjustment device in cameras

Info

Publication number
FR1403258A
FR1403258A FR980997A FR980997A FR1403258A FR 1403258 A FR1403258 A FR 1403258A FR 980997 A FR980997 A FR 980997A FR 980997 A FR980997 A FR 980997A FR 1403258 A FR1403258 A FR 1403258A
Authority
FR
France
Prior art keywords
cameras
adjustment device
automatic exposure
exposure adjustment
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
FR980997A
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Priority to FR980997A priority Critical patent/FR1403258A/en
Application granted granted Critical
Publication of FR1403258A publication Critical patent/FR1403258A/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)
FR980997A 1964-07-07 1964-07-07 Automatic exposure adjustment device in cameras Expired FR1403258A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR980997A FR1403258A (en) 1964-07-07 1964-07-07 Automatic exposure adjustment device in cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR980997A FR1403258A (en) 1964-07-07 1964-07-07 Automatic exposure adjustment device in cameras

Publications (1)

Publication Number Publication Date
FR1403258A true FR1403258A (en) 1965-06-18

Family

ID=8834103

Family Applications (1)

Application Number Title Priority Date Filing Date
FR980997A Expired FR1403258A (en) 1964-07-07 1964-07-07 Automatic exposure adjustment device in cameras

Country Status (1)

Country Link
FR (1) FR1403258A (en)

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