FR812860A - Photoelectric light meter for photographic and cinematographic cameras - Google Patents

Photoelectric light meter for photographic and cinematographic cameras

Info

Publication number
FR812860A
FR812860A FR812860DA FR812860A FR 812860 A FR812860 A FR 812860A FR 812860D A FR812860D A FR 812860DA FR 812860 A FR812860 A FR 812860A
Authority
FR
France
Prior art keywords
photographic
light meter
photoelectric light
cinematographic cameras
cinematographic
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
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Application granted granted Critical
Publication of FR812860A publication Critical patent/FR812860A/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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light
    • G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR812860D 1935-11-28 1936-11-02 Photoelectric light meter for photographic and cinematographic cameras Expired FR812860A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE812860X 1935-11-28

Publications (1)

Publication Number Publication Date
FR812860A true FR812860A (en) 1937-05-19

Family

ID=6731698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR812860D Expired FR812860A (en) 1935-11-28 1936-11-02 Photoelectric light meter for photographic and cinematographic cameras

Country Status (1)

Country Link
FR (1) FR812860A (en)

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