FR52231E - Lighting device intended in particular for cinematographic apparatus - Google Patents

Lighting device intended in particular for cinematographic apparatus

Info

Publication number
FR52231E
FR52231E FR52231DA FR52231E FR 52231 E FR52231 E FR 52231E FR 52231D A FR52231D A FR 52231DA FR 52231 E FR52231 E FR 52231E
Authority
FR
France
Prior art keywords
lighting device
device intended
cinematographic apparatus
cinematographic
intended
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 FR52231E publication Critical patent/FR52231E/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR52231D 1942-07-24 1942-07-24 Lighting device intended in particular for cinematographic apparatus Expired FR52231E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR52231T 1942-07-24

Publications (1)

Publication Number Publication Date
FR52231E true FR52231E (en) 1943-10-05

Family

ID=8686919

Family Applications (1)

Application Number Title Priority Date Filing Date
FR52231D Expired FR52231E (en) 1942-07-24 1942-07-24 Lighting device intended in particular for cinematographic apparatus

Country Status (1)

Country Link
FR (1) FR52231E (en)

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