GB958953A - Improvements relating to photographic projection screens - Google Patents

Improvements relating to photographic projection screens

Info

Publication number
GB958953A
GB958953A GB2815859A GB2815859A GB958953A GB 958953 A GB958953 A GB 958953A GB 2815859 A GB2815859 A GB 2815859A GB 2815859 A GB2815859 A GB 2815859A GB 958953 A GB958953 A GB 958953A
Authority
GB
United Kingdom
Prior art keywords
projection screens
improvements relating
photographic projection
aug
photographic
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
GB2815859A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2815859A priority Critical patent/GB958953A/en
Publication of GB958953A publication Critical patent/GB958953A/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)
  • Overhead Projectors And Projection Screens (AREA)

Abstract

958,953. Projection screens. H. A. LUKE. Aug. 12, 1960 [Aug.18, 1959], No. 28158/59. Heading G2J A projection screen comprises a glass plate rendered diffusely transmitting for example,by etching its front surface 1A, a reflecting backing being provided for example by depositing on the back surface 1B a silver layer 2 and a copper layer 3, both surfaces of the plate being smooth.
GB2815859A 1959-08-18 1959-08-18 Improvements relating to photographic projection screens Expired GB958953A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2815859A GB958953A (en) 1959-08-18 1959-08-18 Improvements relating to photographic projection screens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2815859A GB958953A (en) 1959-08-18 1959-08-18 Improvements relating to photographic projection screens

Publications (1)

Publication Number Publication Date
GB958953A true GB958953A (en) 1964-05-27

Family

ID=10271204

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2815859A Expired GB958953A (en) 1959-08-18 1959-08-18 Improvements relating to photographic projection screens

Country Status (1)

Country Link
GB (1) GB958953A (en)

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