FR562587A - Improvements to illuminated signs - Google Patents

Improvements to illuminated signs

Info

Publication number
FR562587A
FR562587A FR562587DA FR562587A FR 562587 A FR562587 A FR 562587A FR 562587D A FR562587D A FR 562587DA FR 562587 A FR562587 A FR 562587A
Authority
FR
France
Prior art keywords
illuminated 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
Other languages
French (fr)
Inventor
Ethelbert Thomas Ruthve Murray
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
Application granted granted Critical
Publication of FR562587A publication Critical patent/FR562587A/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
    • G02B6/0081—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
    • G02B6/009—Positioning aspects of the light source in the package

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR562587D 1922-02-24 1923-02-22 Improvements to illuminated signs Expired FR562587A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB562587X 1922-02-24

Publications (1)

Publication Number Publication Date
FR562587A true FR562587A (en) 1923-11-14

Family

ID=10476186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR562587D Expired FR562587A (en) 1922-02-24 1923-02-22 Improvements to illuminated signs

Country Status (1)

Country Link
FR (1) FR562587A (en)

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