FR49662E - Lighting device intended in particular for cinematographic apparatus - Google Patents

Lighting device intended in particular for cinematographic apparatus

Info

Publication number
FR49662E
FR49662E FR49662DA FR49662E FR 49662 E FR49662 E FR 49662E FR 49662D A FR49662D A FR 49662DA FR 49662 E FR49662 E FR 49662E
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 FR49662E publication Critical patent/FR49662E/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)
FR49662D 1938-07-29 1938-07-29 Lighting device intended in particular for cinematographic apparatus Expired FR49662E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49662T 1938-07-29

Publications (1)

Publication Number Publication Date
FR49662E true FR49662E (en) 1939-05-30

Family

ID=8684791

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49662D Expired FR49662E (en) 1938-07-29 1938-07-29 Lighting device intended in particular for cinematographic apparatus

Country Status (1)

Country Link
FR (1) FR49662E (en)

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