FR915674A - écran pour cinématographe ou analogue - Google Patents

écran pour cinématographe ou analogue

Info

Publication number
FR915674A
FR915674A FR915674DA FR915674A FR 915674 A FR915674 A FR 915674A FR 915674D A FR915674D A FR 915674DA FR 915674 A FR915674 A FR 915674A
Authority
FR
France
Prior art keywords
cinematograph
screen
similar
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
English (en)
Inventor
Robert Mascre
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 FR915674A publication Critical patent/FR915674A/fr
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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR915674D 1945-05-28 1945-05-28 écran pour cinématographe ou analogue Expired FR915674A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR915674T 1945-05-28

Publications (1)

Publication Number Publication Date
FR915674A true FR915674A (fr) 1946-11-14

Family

ID=9422959

Family Applications (1)

Application Number Title Priority Date Filing Date
FR915674D Expired FR915674A (fr) 1945-05-28 1945-05-28 écran pour cinématographe ou analogue

Country Status (1)

Country Link
FR (1) FR915674A (fr)

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