GB397936A - Improvements in illuminated signs and the like - Google Patents

Improvements in illuminated signs and the like

Info

Publication number
GB397936A
GB397936A GB5370/32A GB537032A GB397936A GB 397936 A GB397936 A GB 397936A GB 5370/32 A GB5370/32 A GB 5370/32A GB 537032 A GB537032 A GB 537032A GB 397936 A GB397936 A GB 397936A
Authority
GB
United Kingdom
Prior art keywords
light
changing
held
signs
illuminated signs
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
GB5370/32A
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 GB5370/32A priority Critical patent/GB397936A/en
Publication of GB397936A publication Critical patent/GB397936A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • F21V1/10—Rotating shades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F23/00—Advertising on or in specific articles, e.g. ashtrays, letter-boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios

Landscapes

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

Abstract

397,936. Changing-signs. WILD, O., 41, Whitfield Street, Tottenham Court Road, London. Feb. 23, 1933, No. 5370/32. [Class 3 (i).] Display matter on a translucent sheet 3 protected by a glass sheet 4 is lit with light of changing colours. The light source 2 is surrounded by a colour filter 8 rotated by convection currents by a fan 7. The light passes through a lens 10 held in an internally reflecting cone 9. An outer cone is also provided, and the sheets 3, 4 are removably held in grooves 5.
GB5370/32A 1933-02-23 1933-02-23 Improvements in illuminated signs and the like Expired GB397936A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5370/32A GB397936A (en) 1933-02-23 1933-02-23 Improvements in illuminated signs and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5370/32A GB397936A (en) 1933-02-23 1933-02-23 Improvements in illuminated signs and the like

Publications (1)

Publication Number Publication Date
GB397936A true GB397936A (en) 1933-09-07

Family

ID=9794832

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5370/32A Expired GB397936A (en) 1933-02-23 1933-02-23 Improvements in illuminated signs and the like

Country Status (1)

Country Link
GB (1) GB397936A (en)

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