FR1099079A - Improvements to lighting devices - Google Patents

Improvements to lighting devices

Info

Publication number
FR1099079A
FR1099079A FR1099079DA FR1099079A FR 1099079 A FR1099079 A FR 1099079A FR 1099079D A FR1099079D A FR 1099079DA FR 1099079 A FR1099079 A FR 1099079A
Authority
FR
France
Prior art keywords
lighting devices
lighting
devices
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
Fevrot
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.)
TECH ELECTRONIQUE
Original Assignee
TECH ELECTRONIQUE
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 TECH ELECTRONIQUE filed Critical TECH ELECTRONIQUE
Application granted granted Critical
Publication of FR1099079A publication Critical patent/FR1099079A/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
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • G09F2013/184—Information to display
    • G09F2013/185—Embossed marks
FR1099079D 1954-02-05 1954-02-05 Improvements to lighting devices Expired FR1099079A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1099079T 1954-02-05

Publications (1)

Publication Number Publication Date
FR1099079A true FR1099079A (en) 1955-08-30

Family

ID=9619559

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1099079D Expired FR1099079A (en) 1954-02-05 1954-02-05 Improvements to lighting devices

Country Status (1)

Country Link
FR (1) FR1099079A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359155A (en) * 1993-03-25 1994-10-25 Tiger Scientific Corp. Illumination apparatus for a digitizer tablet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359155A (en) * 1993-03-25 1994-10-25 Tiger Scientific Corp. Illumination apparatus for a digitizer tablet

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