FR1320398A - Régulateur automatique de lumière - Google Patents

Régulateur automatique de lumière

Info

Publication number
FR1320398A
FR1320398A FR894698A FR894698A FR1320398A FR 1320398 A FR1320398 A FR 1320398A FR 894698 A FR894698 A FR 894698A FR 894698 A FR894698 A FR 894698A FR 1320398 A FR1320398 A FR 1320398A
Authority
FR
France
Prior art keywords
automatic light
light regulator
regulator
automatic
light
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
FR894698A
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
Ernst Leitz GmbH
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 Ernst Leitz Wetzlar GmbH, Ernst Leitz GmbH filed Critical Ernst Leitz Wetzlar GmbH
Priority to FR894698A priority Critical patent/FR1320398A/fr
Application granted granted Critical
Publication of FR1320398A publication Critical patent/FR1320398A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08Control 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
    • G03B7/081Analogue circuits
    • G03B7/085Analogue circuits for control of aperture
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR894698A 1962-04-17 1962-04-17 Régulateur automatique de lumière Expired FR1320398A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR894698A FR1320398A (fr) 1962-04-17 1962-04-17 Régulateur automatique de lumière

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR894698A FR1320398A (fr) 1962-04-17 1962-04-17 Régulateur automatique de lumière

Publications (1)

Publication Number Publication Date
FR1320398A true FR1320398A (fr) 1963-03-08

Family

ID=8777029

Family Applications (1)

Application Number Title Priority Date Filing Date
FR894698A Expired FR1320398A (fr) 1962-04-17 1962-04-17 Régulateur automatique de lumière

Country Status (1)

Country Link
FR (1) FR1320398A (fr)

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