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FR1131048A - projection screen - Google Patents

projection screen

Info

Publication number
FR1131048A
FR1131048A FR1131048DA FR1131048A FR 1131048 A FR1131048 A FR 1131048A FR 1131048D A FR1131048D A FR 1131048DA FR 1131048 A FR1131048 A FR 1131048A
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
French (fr)
Inventor
Isaac Goodbar
Goodbar
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 FR1131048A publication Critical patent/FR1131048A/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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1131048D 1955-09-20 1955-09-20 projection screen Expired FR1131048A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1131048T 1955-09-20

Publications (1)

Publication Number Publication Date
FR1131048A true FR1131048A (en) 1957-02-14

Family

ID=9637673

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1131048D Expired FR1131048A (en) 1955-09-20 1955-09-20 projection screen

Country Status (1)

Country Link
FR (1) FR1131048A (en)

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