FR907295A - Ecran mobile pour projections lumineuses - Google Patents

Ecran mobile pour projections lumineuses

Info

Publication number
FR907295A
FR907295A FR907295DA FR907295A FR 907295 A FR907295 A FR 907295A FR 907295D A FR907295D A FR 907295DA FR 907295 A FR907295 A FR 907295A
Authority
FR
France
Prior art keywords
mobile screen
light projections
projections
light
mobile
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
Francisque Monin
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 FR907295A publication Critical patent/FR907295A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR907295D 1944-10-10 1944-10-10 Ecran mobile pour projections lumineuses Expired FR907295A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR907295T 1944-10-10

Publications (1)

Publication Number Publication Date
FR907295A true FR907295A (fr) 1946-03-07

Family

ID=9406186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR907295D Expired FR907295A (fr) 1944-10-10 1944-10-10 Ecran mobile pour projections lumineuses

Country Status (1)

Country Link
FR (1) FR907295A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2699705A (en) * 1952-01-05 1955-01-18 Trans Lux Corp Screen support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2699705A (en) * 1952-01-05 1955-01-18 Trans Lux Corp Screen support

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