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FR1057384A - Projector with incorporated screen and film strips making diffuser - Google Patents

Projector with incorporated screen and film strips making diffuser

Info

Publication number
FR1057384A
FR1057384A FR1057384DA FR1057384A FR 1057384 A FR1057384 A FR 1057384A FR 1057384D A FR1057384D A FR 1057384DA FR 1057384 A FR1057384 A FR 1057384A
Authority
FR
France
Prior art keywords
projector
film strips
strips making
making diffuser
incorporated 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
Jacques-Guy Heller
Claude Bonnaventure
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 FR1057384A publication Critical patent/FR1057384A/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
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1057384D 1952-05-27 1952-05-27 Projector with incorporated screen and film strips making diffuser Expired FR1057384A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1057384T 1952-05-27

Publications (1)

Publication Number Publication Date
FR1057384A true FR1057384A (en) 1954-03-08

Family

ID=9597939

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1057384D Expired FR1057384A (en) 1952-05-27 1952-05-27 Projector with incorporated screen and film strips making diffuser

Country Status (1)

Country Link
FR (1) FR1057384A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012175840A1 (en) 2011-06-21 2012-12-27 Snecma Device for holding a turbomachine blade for the purposes of machining

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012175840A1 (en) 2011-06-21 2012-12-27 Snecma Device for holding a turbomachine blade for the purposes of machining

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