GB937795A - Projection picture screen - Google Patents

Projection picture screen

Info

Publication number
GB937795A
GB937795A GB397061A GB397061A GB937795A GB 937795 A GB937795 A GB 937795A GB 397061 A GB397061 A GB 397061A GB 397061 A GB397061 A GB 397061A GB 937795 A GB937795 A GB 937795A
Authority
GB
United Kingdom
Prior art keywords
picture screen
projection picture
projection
screen
picture
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
GB397061A
Inventor
Howard Theodore Betz
Hal Livingston Sowers
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.)
DA LITE SCREEN CO Inc
Original Assignee
DA LITE SCREEN CO Inc
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 by DA LITE SCREEN CO Inc filed Critical DA LITE SCREEN CO Inc
Priority to GB397061A priority Critical patent/GB937795A/en
Publication of GB937795A publication Critical patent/GB937795A/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)
GB397061A 1961-02-02 1961-02-02 Projection picture screen Expired GB937795A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB397061A GB937795A (en) 1961-02-02 1961-02-02 Projection picture screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB397061A GB937795A (en) 1961-02-02 1961-02-02 Projection picture screen

Publications (1)

Publication Number Publication Date
GB937795A true GB937795A (en) 1963-09-25

Family

ID=9768326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB397061A Expired GB937795A (en) 1961-02-02 1961-02-02 Projection picture screen

Country Status (1)

Country Link
GB (1) GB937795A (en)

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