FR1246347A - Plaque indicatrice lumineuse - Google Patents

Plaque indicatrice lumineuse

Info

Publication number
FR1246347A
FR1246347A FR807178A FR807178A FR1246347A FR 1246347 A FR1246347 A FR 1246347A FR 807178 A FR807178 A FR 807178A FR 807178 A FR807178 A FR 807178A FR 1246347 A FR1246347 A FR 1246347A
Authority
FR
France
Prior art keywords
indicator plate
illuminated indicator
illuminated
plate
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
FR807178A
Other languages
English (en)
Inventor
Pierre-Emile Langlois
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 filed Critical
Priority to FR807178A priority Critical patent/FR1246347A/fr
Application granted granted Critical
Publication of FR1246347A publication Critical patent/FR1246347A/fr
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
    • G02B6/0081—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
    • G02B6/0086—Positioning aspects
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
FR807178A 1959-10-09 1959-10-09 Plaque indicatrice lumineuse Expired FR1246347A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR807178A FR1246347A (fr) 1959-10-09 1959-10-09 Plaque indicatrice lumineuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR807178A FR1246347A (fr) 1959-10-09 1959-10-09 Plaque indicatrice lumineuse

Publications (1)

Publication Number Publication Date
FR1246347A true FR1246347A (fr) 1960-11-18

Family

ID=8719985

Family Applications (1)

Application Number Title Priority Date Filing Date
FR807178A Expired FR1246347A (fr) 1959-10-09 1959-10-09 Plaque indicatrice lumineuse

Country Status (1)

Country Link
FR (1) FR1246347A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2596533A1 (fr) * 1986-03-28 1987-10-02 Richer Charles Dispositif de visualisation d'un dessin ou d'une forme, comprenant un empilage de lames en verre ou en materiau similaire
EP0573051A1 (fr) * 1992-06-04 1993-12-08 Tosoh Corporation Dispositif d'éclairage par l'arrière

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2596533A1 (fr) * 1986-03-28 1987-10-02 Richer Charles Dispositif de visualisation d'un dessin ou d'une forme, comprenant un empilage de lames en verre ou en materiau similaire
EP0242312A1 (fr) * 1986-03-28 1987-10-21 Actua-Verre Dispositif de visualisation d'un dessin ou d'une forme, comprenant un empilage de lames en verre ou en matériau similaire
EP0573051A1 (fr) * 1992-06-04 1993-12-08 Tosoh Corporation Dispositif d'éclairage par l'arrière
US5392199A (en) * 1992-06-04 1995-02-21 Tosoh Corporation Back lighting device
US5647655A (en) * 1992-06-04 1997-07-15 Tosoh Corporation Back lighting device

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