FR1538207A - Screen-filter control device - Google Patents

Screen-filter control device

Info

Publication number
FR1538207A
FR1538207A FR122508A FR122508A FR1538207A FR 1538207 A FR1538207 A FR 1538207A FR 122508 A FR122508 A FR 122508A FR 122508 A FR122508 A FR 122508A FR 1538207 A FR1538207 A FR 1538207A
Authority
FR
France
Prior art keywords
screen
control device
filter control
filter
control
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
FR122508A
Other languages
French (fr)
Inventor
Shin Fujisawa
Shigeru Matsubara
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to FR122508A priority Critical patent/FR1538207A/en
Application granted granted Critical
Publication of FR1538207A publication Critical patent/FR1538207A/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
    • G03B7/091—Digital circuits
    • G03B7/097—Digital circuits for control of both exposure time and aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR122508A 1967-09-27 1967-09-27 Screen-filter control device Expired FR1538207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR122508A FR1538207A (en) 1967-09-27 1967-09-27 Screen-filter control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR122508A FR1538207A (en) 1967-09-27 1967-09-27 Screen-filter control device

Publications (1)

Publication Number Publication Date
FR1538207A true FR1538207A (en) 1968-08-30

Family

ID=8639111

Family Applications (1)

Application Number Title Priority Date Filing Date
FR122508A Expired FR1538207A (en) 1967-09-27 1967-09-27 Screen-filter control device

Country Status (1)

Country Link
FR (1) FR1538207A (en)

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