FR1520509A - Dispositif de réglage automatique de la lumination et ses applications - Google Patents

Dispositif de réglage automatique de la lumination et ses applications

Info

Publication number
FR1520509A
FR1520509A FR93754A FR93754A FR1520509A FR 1520509 A FR1520509 A FR 1520509A FR 93754 A FR93754 A FR 93754A FR 93754 A FR93754 A FR 93754A FR 1520509 A FR1520509 A FR 1520509A
Authority
FR
France
Prior art keywords
lumination
automatic
applications
adjustment device
adjustment
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
FR93754A
Other languages
English (en)
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Priority to FR93754A priority Critical patent/FR1520509A/fr
Application granted granted Critical
Publication of FR1520509A publication Critical patent/FR1520509A/fr
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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
FR93754A 1967-02-06 1967-02-06 Dispositif de réglage automatique de la lumination et ses applications Expired FR1520509A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR93754A FR1520509A (fr) 1967-02-06 1967-02-06 Dispositif de réglage automatique de la lumination et ses applications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR93754A FR1520509A (fr) 1967-02-06 1967-02-06 Dispositif de réglage automatique de la lumination et ses applications

Publications (1)

Publication Number Publication Date
FR1520509A true FR1520509A (fr) 1968-04-12

Family

ID=8624834

Family Applications (1)

Application Number Title Priority Date Filing Date
FR93754A Expired FR1520509A (fr) 1967-02-06 1967-02-06 Dispositif de réglage automatique de la lumination et ses applications

Country Status (1)

Country Link
FR (1) FR1520509A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2065556A1 (fr) * 1970-10-27 1971-07-30 Canon Kk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2065556A1 (fr) * 1970-10-27 1971-07-30 Canon Kk

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