GB182311A - Improvements in or relating to screens for use with optical-projection apparatus - Google Patents

Improvements in or relating to screens for use with optical-projection apparatus

Info

Publication number
GB182311A
GB182311A GB1707621A GB1707621A GB182311A GB 182311 A GB182311 A GB 182311A GB 1707621 A GB1707621 A GB 1707621A GB 1707621 A GB1707621 A GB 1707621A GB 182311 A GB182311 A GB 182311A
Authority
GB
United Kingdom
Prior art keywords
screens
relating
optical
projection apparatus
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
GB1707621A
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 GB1707621A priority Critical patent/GB182311A/en
Publication of GB182311A publication Critical patent/GB182311A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories
    • G03B21/56Projection screens
    • G03B21/60Projection screens characterised by the nature of the surface
    • G03B21/606Projection screens characterised by the nature of the surface for relief projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB1707621A 1921-06-22 1921-06-22 Improvements in or relating to screens for use with optical-projection apparatus Expired GB182311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1707621A GB182311A (en) 1921-06-22 1921-06-22 Improvements in or relating to screens for use with optical-projection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1707621A GB182311A (en) 1921-06-22 1921-06-22 Improvements in or relating to screens for use with optical-projection apparatus

Publications (1)

Publication Number Publication Date
GB182311A true GB182311A (en) 1922-07-06

Family

ID=10088804

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1707621A Expired GB182311A (en) 1921-06-22 1921-06-22 Improvements in or relating to screens for use with optical-projection apparatus

Country Status (1)

Country Link
GB (1) GB182311A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2473301A (en) * 1946-09-05 1949-06-14 Anders W Ramstad Motion-picture screen
US2900870A (en) * 1954-04-09 1959-08-25 Thomas J Jackson Projection screen
US3295910A (en) * 1963-04-06 1967-01-03 Hourdiaux Jules Curved projection screens
CN102654727A (en) * 2011-05-18 2012-09-05 上海华博信息服务有限公司 Glass fiber reinforced plastic spherical curtain body

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2473301A (en) * 1946-09-05 1949-06-14 Anders W Ramstad Motion-picture screen
US2900870A (en) * 1954-04-09 1959-08-25 Thomas J Jackson Projection screen
US3295910A (en) * 1963-04-06 1967-01-03 Hourdiaux Jules Curved projection screens
CN102654727A (en) * 2011-05-18 2012-09-05 上海华博信息服务有限公司 Glass fiber reinforced plastic spherical curtain body

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