FR936764A - Improvements to cinematographic screens - Google Patents

Improvements to cinematographic screens

Info

Publication number
FR936764A
FR936764A FR936764DA FR936764A FR 936764 A FR936764 A FR 936764A FR 936764D A FR936764D A FR 936764DA FR 936764 A FR936764 A FR 936764A
Authority
FR
France
Prior art keywords
cinematographic
screens
cinematographic screens
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
David Mather Robson
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 FR936764A publication Critical patent/FR936764A/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
    • G03B21/60—Projection screens characterised by the nature of the surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR936764D 1945-09-24 1946-08-28 Improvements to cinematographic screens Expired FR936764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB936764X 1945-09-24

Publications (1)

Publication Number Publication Date
FR936764A true FR936764A (en) 1948-07-29

Family

ID=10747957

Family Applications (1)

Application Number Title Priority Date Filing Date
FR936764D Expired FR936764A (en) 1945-09-24 1946-08-28 Improvements to cinematographic screens

Country Status (1)

Country Link
FR (1) FR936764A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1086456B (en) * 1956-04-05 1960-08-04 Andrew Smith Harkness Ltd Projection screen and process for its manufacture
US3218923A (en) * 1961-07-24 1965-11-23 Ciofani Ovid Paul Flexible reflective screen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1086456B (en) * 1956-04-05 1960-08-04 Andrew Smith Harkness Ltd Projection screen and process for its manufacture
US3218923A (en) * 1961-07-24 1965-11-23 Ciofani Ovid Paul Flexible reflective screen

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