FR2785364B1 - Feu de signalisation a diffraction, notamment pour vehicule automobile - Google Patents

Feu de signalisation a diffraction, notamment pour vehicule automobile

Info

Publication number
FR2785364B1
FR2785364B1 FR9814047A FR9814047A FR2785364B1 FR 2785364 B1 FR2785364 B1 FR 2785364B1 FR 9814047 A FR9814047 A FR 9814047A FR 9814047 A FR9814047 A FR 9814047A FR 2785364 B1 FR2785364 B1 FR 2785364B1
Authority
FR
France
Prior art keywords
motor vehicle
signal light
diffraction signal
diffraction
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 - Fee Related
Application number
FR9814047A
Other languages
English (en)
Other versions
FR2785364A1 (fr
Inventor
Philippe Rondeau
Pierre Albou
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
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 Valeo Vision SAS filed Critical Valeo Vision SAS
Priority to FR9814047A priority Critical patent/FR2785364B1/fr
Publication of FR2785364A1 publication Critical patent/FR2785364A1/fr
Application granted granted Critical
Publication of FR2785364B1 publication Critical patent/FR2785364B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • 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
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • 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
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Holo Graphy (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
FR9814047A 1998-11-03 1998-11-03 Feu de signalisation a diffraction, notamment pour vehicule automobile Expired - Fee Related FR2785364B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9814047A FR2785364B1 (fr) 1998-11-03 1998-11-03 Feu de signalisation a diffraction, notamment pour vehicule automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9814047A FR2785364B1 (fr) 1998-11-03 1998-11-03 Feu de signalisation a diffraction, notamment pour vehicule automobile

Publications (2)

Publication Number Publication Date
FR2785364A1 FR2785364A1 (fr) 2000-05-05
FR2785364B1 true FR2785364B1 (fr) 2000-12-22

Family

ID=9532506

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9814047A Expired - Fee Related FR2785364B1 (fr) 1998-11-03 1998-11-03 Feu de signalisation a diffraction, notamment pour vehicule automobile

Country Status (1)

Country Link
FR (1) FR2785364B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1420462A1 (fr) * 2002-11-13 2004-05-19 Heptagon Oy Dispositif émetteur de lumière
DE10333370A1 (de) 2003-07-23 2005-02-24 Schott Ag Beleuchtungseinrichtung, Linse und Herstellung der Linse
JP6471840B2 (ja) 2016-11-17 2019-02-20 大日本印刷株式会社 照明装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1256892B (it) 1992-07-24 1995-12-27 Carello Spa Dispositivo di illuminazione in particolare per autoveicoli
US5909313A (en) * 1993-05-25 1999-06-01 Commonwealth Scientific And Industrial Research Organisation Multiple image diffractive device
FR2711216B1 (fr) 1993-10-14 1996-01-05 Valeo Vision Feu de signalisation à plusieurs sources de faible puissance et à moyens perfectionnés de traitement optique.
IT1261132B (it) * 1993-12-23 1996-05-09 Carello Spa Reticolo di diffrazione atto a generare un flusso di radiazione luminosa con distribuzione di intensita' prefissata in un'area sottendente il flusso stesso.

Also Published As

Publication number Publication date
FR2785364A1 (fr) 2000-05-05

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Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 18

PLFP Fee payment

Year of fee payment: 19

ST Notification of lapse

Effective date: 20180731