FR1350635A - écran de projection enroulable avec pied de support - Google Patents

écran de projection enroulable avec pied de support

Info

Publication number
FR1350635A
FR1350635A FR904713A FR904713A FR1350635A FR 1350635 A FR1350635 A FR 1350635A FR 904713 A FR904713 A FR 904713A FR 904713 A FR904713 A FR 904713A FR 1350635 A FR1350635 A FR 1350635A
Authority
FR
France
Prior art keywords
roll
projection screen
support foot
foot
support
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
FR904713A
Other languages
English (en)
Inventor
Herbert Riedel
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 FR904713A priority Critical patent/FR1350635A/fr
Application granted granted Critical
Publication of FR1350635A publication Critical patent/FR1350635A/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)
FR904713A 1962-07-21 1962-07-21 écran de projection enroulable avec pied de support Expired FR1350635A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR904713A FR1350635A (fr) 1962-07-21 1962-07-21 écran de projection enroulable avec pied de support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR904713A FR1350635A (fr) 1962-07-21 1962-07-21 écran de projection enroulable avec pied de support

Publications (1)

Publication Number Publication Date
FR1350635A true FR1350635A (fr) 1964-01-31

Family

ID=8783685

Family Applications (1)

Application Number Title Priority Date Filing Date
FR904713A Expired FR1350635A (fr) 1962-07-21 1962-07-21 écran de projection enroulable avec pied de support

Country Status (1)

Country Link
FR (1) FR1350635A (fr)

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