GB177192A - Improvements in or relating to screens for use with cinematograph projectors - Google Patents

Improvements in or relating to screens for use with cinematograph projectors

Info

Publication number
GB177192A
GB177192A GB2944420A GB2944420A GB177192A GB 177192 A GB177192 A GB 177192A GB 2944420 A GB2944420 A GB 2944420A GB 2944420 A GB2944420 A GB 2944420A GB 177192 A GB177192 A GB 177192A
Authority
GB
United Kingdom
Prior art keywords
screens
relating
cinematograph projectors
cinematograph
projectors
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
GB2944420A
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 GB2944420A priority Critical patent/GB177192A/en
Publication of GB177192A publication Critical patent/GB177192A/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
    • G03B21/606—Projection screens characterised by the nature of the surface for relief projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB2944420A 1920-10-19 1920-10-19 Improvements in or relating to screens for use with cinematograph projectors Expired GB177192A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2944420A GB177192A (en) 1920-10-19 1920-10-19 Improvements in or relating to screens for use with cinematograph projectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2944420A GB177192A (en) 1920-10-19 1920-10-19 Improvements in or relating to screens for use with cinematograph projectors

Publications (1)

Publication Number Publication Date
GB177192A true GB177192A (en) 1922-03-20

Family

ID=10291648

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2944420A Expired GB177192A (en) 1920-10-19 1920-10-19 Improvements in or relating to screens for use with cinematograph projectors

Country Status (1)

Country Link
GB (1) GB177192A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125678B (en) * 1959-05-08 1962-03-15 Nat Lab And Mfg Corp Viewing device for viewing prints on a web

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125678B (en) * 1959-05-08 1962-03-15 Nat Lab And Mfg Corp Viewing device for viewing prints on a web

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