FR1179074A - Lighting device for the projection of diaphragms - Google Patents

Lighting device for the projection of diaphragms

Info

Publication number
FR1179074A
FR1179074A FR1179074DA FR1179074A FR 1179074 A FR1179074 A FR 1179074A FR 1179074D A FR1179074D A FR 1179074DA FR 1179074 A FR1179074 A FR 1179074A
Authority
FR
France
Prior art keywords
diaphragms
projection
lighting device
lighting
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.)
Askania Werke AG
Original Assignee
Askania Werke 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 Askania Werke AG filed Critical Askania Werke AG
Application granted granted Critical
Publication of FR1179074A publication Critical patent/FR1179074A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1179074D 1956-07-26 1957-07-18 Lighting device for the projection of diaphragms Expired FR1179074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1179074X 1956-07-26

Publications (1)

Publication Number Publication Date
FR1179074A true FR1179074A (en) 1959-05-20

Family

ID=7730053

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1179074D Expired FR1179074A (en) 1956-07-26 1957-07-18 Lighting device for the projection of diaphragms

Country Status (1)

Country Link
FR (1) FR1179074A (en)

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