FR1167367A - Improvements to cinematographic, photographic and similar projection screen tensioners - Google Patents

Improvements to cinematographic, photographic and similar projection screen tensioners

Info

Publication number
FR1167367A
FR1167367A FR1167367DA FR1167367A FR 1167367 A FR1167367 A FR 1167367A FR 1167367D A FR1167367D A FR 1167367DA FR 1167367 A FR1167367 A FR 1167367A
Authority
FR
France
Prior art keywords
cinematographic
tensioners
photographic
projection screen
similar projection
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
Charles-Achille-Desi Dupuis
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 FR1167367A publication Critical patent/FR1167367A/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)
FR1167367D 1957-03-01 1957-03-01 Improvements to cinematographic, photographic and similar projection screen tensioners Expired FR1167367A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1167367T 1957-03-01

Publications (1)

Publication Number Publication Date
FR1167367A true FR1167367A (en) 1958-11-24

Family

ID=9655532

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1167367D Expired FR1167367A (en) 1957-03-01 1957-03-01 Improvements to cinematographic, photographic and similar projection screen tensioners

Country Status (1)

Country Link
FR (1) FR1167367A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0597199A1 (en) * 1992-11-11 1994-05-18 Peter Geller Transportable light reflector
US6581667B2 (en) * 2001-08-13 2003-06-24 Babcock & Wilcox Canada Ltd. Debris barrier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0597199A1 (en) * 1992-11-11 1994-05-18 Peter Geller Transportable light reflector
US5579180A (en) * 1992-11-11 1996-11-26 Geller; Peter Portable light reflector
US6581667B2 (en) * 2001-08-13 2003-06-24 Babcock & Wilcox Canada Ltd. Debris barrier

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