GB866055A - Improvements relating to picture projection systems - Google Patents

Improvements relating to picture projection systems

Info

Publication number
GB866055A
GB866055A GB1559957A GB1559957A GB866055A GB 866055 A GB866055 A GB 866055A GB 1559957 A GB1559957 A GB 1559957A GB 1559957 A GB1559957 A GB 1559957A GB 866055 A GB866055 A GB 866055A
Authority
GB
United Kingdom
Prior art keywords
screen
area
picture projection
projector
improvements relating
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
GB1559957A
Inventor
Arthur Bowen
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to GB1559957A priority Critical patent/GB866055A/en
Publication of GB866055A publication Critical patent/GB866055A/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
    • G03B21/602—Lenticular screens

Abstract

866,055. Open-air cinemas (projectors and screens). ASSOCIATED ELECTRICAL INDUSTRIES Ltd. April 14, ]958 [May 16, 1957], No. 15599/57. Drawings to Specification. Class 97(1) An outdoor picture projection system employing front projection comprises a lenticulated viewing screen of which the lenticular element (which may be glass beads or the like or particles in a metallic paint) are shaped and disposed to reflect an image of the projector light source to a viewer anywhere in a particular viewing area, together with an opaque screen, which may be a wall, situated behind the projector and covering such an area that light rays from the sky are not reflected by the screen into the audience area.
GB1559957A 1957-05-16 1957-05-16 Improvements relating to picture projection systems Expired GB866055A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1559957A GB866055A (en) 1957-05-16 1957-05-16 Improvements relating to picture projection systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1559957A GB866055A (en) 1957-05-16 1957-05-16 Improvements relating to picture projection systems

Publications (1)

Publication Number Publication Date
GB866055A true GB866055A (en) 1961-04-26

Family

ID=10062022

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1559957A Expired GB866055A (en) 1957-05-16 1957-05-16 Improvements relating to picture projection systems

Country Status (1)

Country Link
GB (1) GB866055A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4166705A (en) * 1978-04-20 1979-09-04 Fronske Handcraft Equipment Corporation Apparatus for mixing handcraft materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4166705A (en) * 1978-04-20 1979-09-04 Fronske Handcraft Equipment Corporation Apparatus for mixing handcraft materials

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