FR901509A - Device for obtaining light signs - Google Patents

Device for obtaining light signs

Info

Publication number
FR901509A
FR901509A FR901509DA FR901509A FR 901509 A FR901509 A FR 901509A FR 901509D A FR901509D A FR 901509DA FR 901509 A FR901509 A FR 901509A
Authority
FR
France
Prior art keywords
obtaining light
light signs
signs
obtaining
light
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
Oskar Alexander Ringleb
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 FR901509A publication Critical patent/FR901509A/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
    • G02B6/0033—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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
FR901509D 1942-10-23 1944-01-25 Device for obtaining light signs Expired FR901509A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE901509X 1942-10-23

Publications (1)

Publication Number Publication Date
FR901509A true FR901509A (en) 1945-07-30

Family

ID=6858963

Family Applications (1)

Application Number Title Priority Date Filing Date
FR901509D Expired FR901509A (en) 1942-10-23 1944-01-25 Device for obtaining light signs

Country Status (1)

Country Link
FR (1) FR901509A (en)

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