GB159851A - Improvements in cinematographic projection screens - Google Patents

Improvements in cinematographic projection screens

Info

Publication number
GB159851A
GB159851A GB21881/20A GB2188120A GB159851A GB 159851 A GB159851 A GB 159851A GB 21881/20 A GB21881/20 A GB 21881/20A GB 2188120 A GB2188120 A GB 2188120A GB 159851 A GB159851 A GB 159851A
Authority
GB
United Kingdom
Prior art keywords
projection screens
cinematographic projection
cinematographic
screens
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
GB21881/20A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JOHN EMLINGTON DARLING
Original Assignee
JOHN EMLINGTON DARLING
Filing date
Publication date
Application filed by JOHN EMLINGTON DARLING filed Critical JOHN EMLINGTON DARLING
Publication of GB159851A publication Critical patent/GB159851A/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
    • G03B21/62—Translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB21881/20A 1920-07-21 Improvements in cinematographic projection screens Expired GB159851A (en)

Publications (1)

Publication Number Publication Date
GB159851A true GB159851A (en) 1921-10-06

Family

ID=1736558

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21881/20A Expired GB159851A (en) 1920-07-21 Improvements in cinematographic projection screens

Country Status (1)

Country Link
GB (1) GB159851A (en)

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