FR1236645A - écran de projection - Google Patents

écran de projection

Info

Publication number
FR1236645A
FR1236645A FR797319A FR797319A FR1236645A FR 1236645 A FR1236645 A FR 1236645A FR 797319 A FR797319 A FR 797319A FR 797319 A FR797319 A FR 797319A FR 1236645 A FR1236645 A FR 1236645A
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
FR797319A
Other languages
English (en)
Inventor
Leon-Pierre Giraud
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
Priority to FR797319A priority Critical patent/FR1236645A/fr
Application granted granted Critical
Publication of FR1236645A publication Critical patent/FR1236645A/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
    • G03B21/585—Inflatable screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR797319A 1959-06-12 1959-06-12 écran de projection Expired FR1236645A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR797319A FR1236645A (fr) 1959-06-12 1959-06-12 écran de projection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR797319A FR1236645A (fr) 1959-06-12 1959-06-12 écran de projection

Publications (1)

Publication Number Publication Date
FR1236645A true FR1236645A (fr) 1960-07-22

Family

ID=8715946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR797319A Expired FR1236645A (fr) 1959-06-12 1959-06-12 écran de projection

Country Status (1)

Country Link
FR (1) FR1236645A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398376A (en) * 1976-05-04 1983-08-16 Air-Tech Industries, Inc. Fabric panel unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398376A (en) * 1976-05-04 1983-08-16 Air-Tech Industries, Inc. Fabric panel unit

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