FR1361476A - écran de projection - Google Patents

écran de projection

Info

Publication number
FR1361476A
FR1361476A FR931000A FR931000A FR1361476A FR 1361476 A FR1361476 A FR 1361476A FR 931000 A FR931000 A FR 931000A FR 931000 A FR931000 A FR 931000A FR 1361476 A FR1361476 A FR 1361476A
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
FR931000A
Other languages
English (en)
Inventor
Christian Maurice Rober Perrin
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.)
Altulor
Original Assignee
Altulor
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 Altulor filed Critical Altulor
Priority to FR931000A priority Critical patent/FR1361476A/fr
Application granted granted Critical
Publication of FR1361476A publication Critical patent/FR1361476A/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
    • G03B21/62—Translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR931000A 1963-04-09 1963-04-09 écran de projection Expired FR1361476A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR931000A FR1361476A (fr) 1963-04-09 1963-04-09 écran de projection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR931000A FR1361476A (fr) 1963-04-09 1963-04-09 écran de projection

Publications (1)

Publication Number Publication Date
FR1361476A true FR1361476A (fr) 1964-05-22

Family

ID=8801293

Family Applications (1)

Application Number Title Priority Date Filing Date
FR931000A Expired FR1361476A (fr) 1963-04-09 1963-04-09 écran de projection

Country Status (1)

Country Link
FR (1) FR1361476A (fr)

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