GB1487919A - Illuminable indicator panel - Google Patents

Illuminable indicator panel

Info

Publication number
GB1487919A
GB1487919A GB5914173A GB5914173A GB1487919A GB 1487919 A GB1487919 A GB 1487919A GB 5914173 A GB5914173 A GB 5914173A GB 5914173 A GB5914173 A GB 5914173A GB 1487919 A GB1487919 A GB 1487919A
Authority
GB
United Kingdom
Prior art keywords
panel
slot
indicator panel
indicia
illuminable indicator
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
GB5914173A
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.)
Lucas Electrical Co Ltd
Original Assignee
Lucas Electrical Co Ltd
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 Lucas Electrical Co Ltd filed Critical Lucas Electrical Co Ltd
Priority to GB5914173A priority Critical patent/GB1487919A/en
Publication of GB1487919A publication Critical patent/GB1487919A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0095—Light guides as housings, housing portions, shelves, doors, tiles, windows, or the like

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

1487919 Illuminated panels LUCAS ELECTRICAL Ltd 11 Nov 1974 [20 Dec 1973] 59141/73 Heading G5C An illuminatable indicator for use in vehicles has a transparent panel 11 carrying indicia on the raised front surfaces of projections 12, and having a slot 15 at one end to receive a lamp 19 carried in a holder 18 of an opaque cover 17 which snaps over the end of the panel, the light entering the panel internally by way of slot 15 and so illuminating the indicia.
GB5914173A 1974-11-11 1974-11-11 Illuminable indicator panel Expired GB1487919A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5914173A GB1487919A (en) 1974-11-11 1974-11-11 Illuminable indicator panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5914173A GB1487919A (en) 1974-11-11 1974-11-11 Illuminable indicator panel

Publications (1)

Publication Number Publication Date
GB1487919A true GB1487919A (en) 1977-10-05

Family

ID=10483143

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5914173A Expired GB1487919A (en) 1974-11-11 1974-11-11 Illuminable indicator panel

Country Status (1)

Country Link
GB (1) GB1487919A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3919925A1 (en) * 1989-06-19 1990-12-20 Inotec Gmbh Ges Fuer Innovativ ILLUMINATED, DISPLAY UNIT, PARTICULARLY HOUSE NUMBER, TRAFFIC SIGN, ADVERTISER

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3919925A1 (en) * 1989-06-19 1990-12-20 Inotec Gmbh Ges Fuer Innovativ ILLUMINATED, DISPLAY UNIT, PARTICULARLY HOUSE NUMBER, TRAFFIC SIGN, ADVERTISER

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee