FR1121140A - écran de projection - Google Patents

écran de projection

Info

Publication number
FR1121140A
FR1121140A FR1121140DA FR1121140A FR 1121140 A FR1121140 A FR 1121140A FR 1121140D A FR1121140D A FR 1121140DA FR 1121140 A FR1121140 A FR 1121140A
Authority
FR
France
Prior art keywords
projection screen
projection
screen
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
Henri-Camille Carrouste
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 FR1121140A publication Critical patent/FR1121140A/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
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/606—Projection screens characterised by the nature of the surface for relief projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1121140D 1955-02-05 1955-02-05 écran de projection Expired FR1121140A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1121140T 1955-02-05

Publications (1)

Publication Number Publication Date
FR1121140A true FR1121140A (fr) 1956-07-23

Family

ID=9631895

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1121140D Expired FR1121140A (fr) 1955-02-05 1955-02-05 écran de projection

Country Status (1)

Country Link
FR (1) FR1121140A (fr)

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