FR1025462A - Improvements to lighting systems - Google Patents

Improvements to lighting systems

Info

Publication number
FR1025462A
FR1025462A FR1025462DA FR1025462A FR 1025462 A FR1025462 A FR 1025462A FR 1025462D A FR1025462D A FR 1025462DA FR 1025462 A FR1025462 A FR 1025462A
Authority
FR
France
Prior art keywords
lighting systems
lighting
systems
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)
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.)
Forges et Ateliers de Constructions Electriques de Jeumont SA
Original Assignee
Forges et Ateliers de Constructions Electriques de Jeumont SA
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 Forges et Ateliers de Constructions Electriques de Jeumont SA filed Critical Forges et Ateliers de Constructions Electriques de Jeumont SA
Application granted granted Critical
Publication of FR1025462A publication Critical patent/FR1025462A/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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4206—Optical features
    • 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
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1025462D 1950-10-04 1950-10-04 Improvements to lighting systems Expired FR1025462A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1025462T 1950-10-04

Publications (1)

Publication Number Publication Date
FR1025462A true FR1025462A (en) 1953-04-15

Family

ID=9579476

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1025462D Expired FR1025462A (en) 1950-10-04 1950-10-04 Improvements to lighting systems

Country Status (1)

Country Link
FR (1) FR1025462A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564982A1 (en) * 1984-05-25 1985-11-29 Cibie Projecteurs COUPLING PIPE FROM A LIGHT GUIDE TO A LIGHT SOURCE, IN PARTICULAR FOR INTEGRATED CITY LIGHTING TO A MOTOR PROJECTOR ASSEMBLY
US4933817A (en) * 1983-03-30 1990-06-12 Canon Kabushiki Kaishi Illuminating device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933817A (en) * 1983-03-30 1990-06-12 Canon Kabushiki Kaishi Illuminating device
FR2564982A1 (en) * 1984-05-25 1985-11-29 Cibie Projecteurs COUPLING PIPE FROM A LIGHT GUIDE TO A LIGHT SOURCE, IN PARTICULAR FOR INTEGRATED CITY LIGHTING TO A MOTOR PROJECTOR ASSEMBLY
US4631642A (en) * 1984-05-25 1986-12-23 Cibie Projecteurs Adaptor for coupling a light guide to a light source, in particular for providing an integrated side light in a motor vehicle headlamp assembly

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