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GB484810A - Apparatus for providing luminous backgrounds for displays - Google Patents

Apparatus for providing luminous backgrounds for displays

Info

Publication number
GB484810A
GB484810A GB3089136A GB3089136A GB484810A GB 484810 A GB484810 A GB 484810A GB 3089136 A GB3089136 A GB 3089136A GB 3089136 A GB3089136 A GB 3089136A GB 484810 A GB484810 A GB 484810A
Authority
GB
United Kingdom
Prior art keywords
sheet
class
display
light
backgrounds
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
GB3089136A
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 GB3089136A priority Critical patent/GB484810A/en
Publication of GB484810A publication Critical patent/GB484810A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

484,810. Signs; displaying. BEUTTELL, A. W. Nov. 12, 1936, No. 30891. [Class 3 (ii)] A luminous background to a trans parency b such as a photographic plate, or to letters or other dis play matter to be seer in silhouette, is formed by transparent reflect ing sheets e which are so shaped that light from lamps d impinges or them at comparatively small angles of incidence and is reflected from each sheet towards an observer viewing the display through the other sheet, so that when the observer's position is such that his line of vision is perpendicular to the display or nearly so, light from the source-d is seen in and distributed over the surface of the remote sheet e. Stencils backed by opal sheets h may be provided. Specification 294,723, [Class 3 (ii)], is referred to.
GB3089136A 1936-11-12 1936-11-12 Apparatus for providing luminous backgrounds for displays Expired GB484810A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3089136A GB484810A (en) 1936-11-12 1936-11-12 Apparatus for providing luminous backgrounds for displays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3089136A GB484810A (en) 1936-11-12 1936-11-12 Apparatus for providing luminous backgrounds for displays

Publications (1)

Publication Number Publication Date
GB484810A true GB484810A (en) 1938-05-11

Family

ID=10314734

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3089136A Expired GB484810A (en) 1936-11-12 1936-11-12 Apparatus for providing luminous backgrounds for displays

Country Status (1)

Country Link
GB (1) GB484810A (en)

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