GB205255A - Improvements in and connected with kinematographic and like screens - Google Patents

Improvements in and connected with kinematographic and like screens

Info

Publication number
GB205255A
GB205255A GB2085122A GB2085122A GB205255A GB 205255 A GB205255 A GB 205255A GB 2085122 A GB2085122 A GB 2085122A GB 2085122 A GB2085122 A GB 2085122A GB 205255 A GB205255 A GB 205255A
Authority
GB
United Kingdom
Prior art keywords
screen
screens
kinematographic
wire
dewey
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
GB2085122A
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 GB2085122A priority Critical patent/GB205255A/en
Publication of GB205255A publication Critical patent/GB205255A/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
    • G03B21/58Projection screens collapsible, e.g. foldable; of variable area

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Hybrid Cells (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

205,255. Dewey, H. July 8, 1922. Projection screens.-A screen 1 is provided with a flexible wire around its periphery and is tensioned by springs 6 or the like connected to the wire and to a frame or other support 5. A separate wire may be used for each edge of the screen and may be enclosed by a strip of webbing or the like 7 stitched to the screen. Specifications 153,724 and 204,787 are referred to.
GB2085122A 1922-07-08 1922-07-08 Improvements in and connected with kinematographic and like screens Expired GB205255A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2085122A GB205255A (en) 1922-07-08 1922-07-08 Improvements in and connected with kinematographic and like screens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2085122A GB205255A (en) 1922-07-08 1922-07-08 Improvements in and connected with kinematographic and like screens

Publications (1)

Publication Number Publication Date
GB205255A true GB205255A (en) 1923-10-08

Family

ID=10152787

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2085122A Expired GB205255A (en) 1922-07-08 1922-07-08 Improvements in and connected with kinematographic and like screens

Country Status (1)

Country Link
GB (1) GB205255A (en)

Similar Documents

Publication Publication Date Title
US1856739A (en) Projection screen
GB205255A (en) Improvements in and connected with kinematographic and like screens
GB194845A (en) Improvements in and connected with sand screens for sea defence purposes
GB208944A (en) Improvements in or relating to frames for photographs, pictures, and the like
US1468558A (en) Combination film-frame picture card
GB332882A (en) Improvements in or relating to projection screens
GB233480A (en) Improvements in eye-shades or screens
CA6729S (en) Circular picture frame
GB348870A (en) Improvements in or relating to the optical projection screens used in cinematograph theatres
GB259401A (en) Improvements in and connected with spring frame structures for cycles and other roadvehicles
GB503350A (en) Improvements in or relating to screens
CA257012A (en) Frame for stretching shade cloth
CA257011A (en) Frame for stretching shade cloth
CA6638S (en) Needlework frame
AU19421A (en) Improvements in insect screens for window and like openings
CA223563A (en) Stretcher for picture screens
CA218287A (en) Display frame
GB176369A (en) Improvements in or relating to cinematographic projection screens
CA220843A (en) Wind screen
GB548885A (en) Improvements in or relating to sieves for granular materials
GB161545A (en) Improvements in cinematographic projection screens
AU372131A (en) A folding 1 portable mosquito and fly-proof screen
CA291367A (en) Mattress frame
CA213043A (en) Picture frame
GB279593A (en) Improvements in kinematograph film strips