FR1094577A - Improvements to projection lanterns - Google Patents

Improvements to projection lanterns

Info

Publication number
FR1094577A
FR1094577A FR1094577DA FR1094577A FR 1094577 A FR1094577 A FR 1094577A FR 1094577D A FR1094577D A FR 1094577DA FR 1094577 A FR1094577 A FR 1094577A
Authority
FR
France
Prior art keywords
lanterns
projection
projection lanterns
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)
Inventor
Andre Cremer
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 filed Critical
Application granted granted Critical
Publication of FR1094577A publication Critical patent/FR1094577A/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)
FR1094577D 1953-12-08 1953-12-08 Improvements to projection lanterns Expired FR1094577A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1094577T 1953-12-08

Publications (1)

Publication Number Publication Date
FR1094577A true FR1094577A (en) 1955-05-23

Family

ID=9617192

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1094577D Expired FR1094577A (en) 1953-12-08 1953-12-08 Improvements to projection lanterns

Country Status (1)

Country Link
FR (1) FR1094577A (en)

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