FR2653253B1 - LIGHT SIGNALING DEVICE WITH SELF - REGULATED CONTRAST. - Google Patents

LIGHT SIGNALING DEVICE WITH SELF - REGULATED CONTRAST.

Info

Publication number
FR2653253B1
FR2653253B1 FR898913483A FR8913483A FR2653253B1 FR 2653253 B1 FR2653253 B1 FR 2653253B1 FR 898913483 A FR898913483 A FR 898913483A FR 8913483 A FR8913483 A FR 8913483A FR 2653253 B1 FR2653253 B1 FR 2653253B1
Authority
FR
France
Prior art keywords
self
signaling device
light signaling
regulated
contrast
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 - Fee Related
Application number
FR898913483A
Other languages
French (fr)
Other versions
FR2653253A1 (en
Inventor
Michel Bourdinaud
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR898913483A priority Critical patent/FR2653253B1/en
Publication of FR2653253A1 publication Critical patent/FR2653253A1/en
Application granted granted Critical
Publication of FR2653253B1 publication Critical patent/FR2653253B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/247—Light guides with a single light source being coupled into the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/251—Light guides the light guides being used to transmit light from remote 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
    • G02B6/0003—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 doped with fluorescent agents
    • 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
    • G02B6/0005—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 of the fibre type
    • G02B6/0008—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 of the fibre type the light being emitted at the end of the fibre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Traffic Control Systems (AREA)
  • Woven Fabrics (AREA)
FR898913483A 1989-10-16 1989-10-16 LIGHT SIGNALING DEVICE WITH SELF - REGULATED CONTRAST. Expired - Fee Related FR2653253B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR898913483A FR2653253B1 (en) 1989-10-16 1989-10-16 LIGHT SIGNALING DEVICE WITH SELF - REGULATED CONTRAST.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR898913483A FR2653253B1 (en) 1989-10-16 1989-10-16 LIGHT SIGNALING DEVICE WITH SELF - REGULATED CONTRAST.

Publications (2)

Publication Number Publication Date
FR2653253A1 FR2653253A1 (en) 1991-04-19
FR2653253B1 true FR2653253B1 (en) 1994-09-02

Family

ID=9386425

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898913483A Expired - Fee Related FR2653253B1 (en) 1989-10-16 1989-10-16 LIGHT SIGNALING DEVICE WITH SELF - REGULATED CONTRAST.

Country Status (1)

Country Link
FR (1) FR2653253B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5700077A (en) * 1995-03-23 1997-12-23 Minnesota Mining And Manufacturing Company Line light source including fluorescent colorant
FR2776251B1 (en) * 1998-02-17 2000-05-05 Renault SIGNAL LIGHT FOR A MOTOR VEHICLE
US7146084B2 (en) 2003-06-16 2006-12-05 Cmc Electronics, Inc. Fiber optic light source for display devices

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4652851A (en) * 1983-11-07 1987-03-24 Ian Lewin Lamp control system
FR2574564B1 (en) * 1984-12-10 1988-02-05 Commissariat Energie Atomique METHOD FOR EXPLOITING LIGHT RADIATION USING FLUORESCENT OPTICAL FIBERS, AND FUNCTIONAL DEVICES AND APPARATUSES USING THE SAME
DE3500728A1 (en) * 1985-01-11 1986-07-17 Frank 5060 Bergisch Gladbach Schlürscheid Display system for outwardly emitted light signals
ES1002039Y (en) * 1986-10-08 1989-01-16 Valenciana De Senalizaciones, S.A. UNIFOCAL HIGH SECURITY TRAFFIC LIGHT
FR2609778B1 (en) * 1987-01-16 1989-03-31 Thomson Csf HIGH LUMINANCE COLD LIGHT SOURCE AND USE FOR AN IMAGE VIEWING DEVICE

Also Published As

Publication number Publication date
FR2653253A1 (en) 1991-04-19

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Legal Events

Date Code Title Description
ST Notification of lapse