DE112397T1 - VEHICLE HEADLIGHTS. - Google Patents

VEHICLE HEADLIGHTS.

Info

Publication number
DE112397T1
DE112397T1 DE198282111721T DE82111721T DE112397T1 DE 112397 T1 DE112397 T1 DE 112397T1 DE 198282111721 T DE198282111721 T DE 198282111721T DE 82111721 T DE82111721 T DE 82111721T DE 112397 T1 DE112397 T1 DE 112397T1
Authority
DE
Germany
Prior art keywords
reflective
motor vehicle
uneven
vehicle headlight
headlight according
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.)
Pending
Application number
DE198282111721T
Other languages
German (de)
Inventor
Tatsumi Kanagawa-Ken Hasegawa
Masashi Maekawa
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.)
Ichikoh Industries Ltd
Original Assignee
Ichikoh Industries Ltd
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 Ichikoh Industries Ltd filed Critical Ichikoh Industries Ltd
Publication of DE112397T1 publication Critical patent/DE112397T1/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/10—Protection of lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
    • F21S41/164—Incandescent light sources, e.g. filament or halogen lamps having two or more filaments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/337—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having a structured surface, e.g. with facets or corrugations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/338—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having surface portions added to its general concavity

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (7)

PatentansprücheClaims 1. Kraftfahrzeugscheinwerfer mit einem Reflektor, der ringsherum an der Innenfläche des Reflektorkörpers eine reflektierende parabolische Fläche hat, mit einer Linse, die auf der Vorderseite des Reflektors angebracht ist und aus Kunstharz hergestellt ist, mit einer Lampe, die mindestens einen Heizdraht in einer Glasumhüllung aufweist und so an dem Reflektor befestigt ist, daß der Heizdraht vor dem Fokuspunkt der reflektierenden Fläche liegt und mit einer Lichtschwächungseinrichtung, die in einem Bereich der reflektierenden, parabolischen Fläche angeordnet ist, um den aus der Lampe austretenden Lichtbetrag zu schwächen, dadurch gekennzeichnet , daß die Lichtschwächungseinrichtung (40) aus unebenen Oberflächenelementen (42;43;44) zur ungleichmäßigen Reflektion des Lichtes besteht und daß die unebenen1. Motor vehicle headlight with a reflector which has a reflective parabolic surface around the inner surface of the reflector body, with a lens which is attached to the front of the reflector and is made of synthetic resin, with a lamp which has at least one heating wire in a glass envelope and is attached to the reflector in such a way that the heating wire lies in front of the focal point of the reflective surface and with a light attenuation device which is arranged in a region of the reflective, parabolic surface in order to attenuate the amount of light emerging from the lamp , characterized in that the Light attenuation device (40) consists of uneven surface elements (42; 43; 44) for the uneven reflection of the light and that the uneven .; ; ■■ -2-. ; ; ■■ -2- 1 Oberflächenelemente als rauhe Oberflächen in einem Bereich (40) der reflektierenden parabolischen Fläche(33) ausgebildet sind.1 surface elements as rough surfaces in one Area (40) of the reflective parabolic surface (33) are formed. 2. Kraftfahrzeugscheinwerfer nach Anspruch 1, dadurch g ek e η η zeichnet , daß die rauhen Oberflächenabschnitte als eine Vielzahl von schrägen Flächen (43) ausgebildet sind.2. Motor vehicle headlight according to claim 1, thereby g ek e η η indicates that the rough surface sections are formed as a plurality of inclined surfaces (43). 3· Kraftfahrzeugscheinwerfer nach Anspruch 1, dadurch g e kenn ζ eich η et, daß der3 · Motor vehicle headlight according to claim 1, characterized in that the Bereich (40) oberhalb der Lampe (50) und entlang einer die optische Achse (X) vertikal durchsetzenden Achse angeordnet ist.Area (40) above the lamp (50) and along an axis vertically traversing the optical axis (X) is arranged. 4. Kraftfahrzeugscheinwerfer nach Anspruch 1, dadurch gekennzeichnet , daß diese ungleichmäßige Reflektionseinrichtung das Aufbringen einer reflektierenden Schicht (35) direkt auf die Innenfläche (41) des Reflektionskörpers (30) umfaßt, wobei die Zone (40) ohne überzug bleibt.4. Motor vehicle headlight according to claim 1, characterized in that this uneven reflection device the application a reflective layer (35) directly on the inner surface (41) of the reflective body (30), the zone (40) remaining without a coating. 5. Kraftfahrzeugscheinwerfer nach Anspruch 1, dadurch ge k e η η ζ e ic h η et, daß die ungleichmäßige Reflektionseinrichtüng die rauhe und unebene Ausbildung der Innenfläche des Refiektionskörpers und danach das Anwenden eines reflektierenden Überzugs (35) auf den rauhen und unebenen Bereich mit einer dazwischen angeordneten Unterschicht (34) umfaßt.5. Motor vehicle headlight according to claim 1, characterized ge k e η η ζ e ic h η et that the uneven Reflektionseinrichtüng the rough and uneven formation of the inner surface of the reflective body and thereafter applying a reflective coating (35) to the rough and uneven area a sub-layer (34) disposed therebetween. . ■ ' ■ ' · ."■ ' ■ ■"■. ■ '■' ·. "■ '■ ■" ■ 6. Kraftfahrzeugscheinwerfer nach Anspruch 1, dadurch g e k e η η ζ ei c h η e t , daß die in dieser Zone ausgebildete Lichtschwächungseinrichtung so ausgestaltet ist, daß sie Lichtdiffus reflektiert.6. Motor vehicle headlight according to claim 1, thereby g e k e η η ζ ei c h η e t that the light attenuation device formed in this zone is designed so that it reflects light diffuse. 1 1 7. Kraftfahrzeugscheinwerfer nach Anspruch 2, dadurch gekennzeichnet, daß der reflektierende überzug (35) auf die geneigten Flächen aufgebracht ist, wobei eine Unterschicht (34) dazwischen7. Motor vehicle headlight according to claim 2, characterized in that the reflective coating (35) is applied to the inclined surfaces with an underlayer (34) therebetween 5 angeordnet ist.5 is arranged.
DE198282111721T 1982-12-17 1982-12-17 VEHICLE HEADLIGHTS. Pending DE112397T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP82111721A EP0112397A1 (en) 1982-12-17 1982-12-17 Vehicle headlamp

Publications (1)

Publication Number Publication Date
DE112397T1 true DE112397T1 (en) 1984-11-08

Family

ID=8189407

Family Applications (1)

Application Number Title Priority Date Filing Date
DE198282111721T Pending DE112397T1 (en) 1982-12-17 1982-12-17 VEHICLE HEADLIGHTS.

Country Status (2)

Country Link
EP (1) EP0112397A1 (en)
DE (1) DE112397T1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2591094B2 (en) * 1988-08-23 1997-03-19 市光工業株式会社 Automotive headlights
JP2553128Y2 (en) * 1992-03-18 1997-11-05 市光工業株式会社 Projector type headlight
US5590954A (en) * 1994-06-15 1997-01-07 Vari-Lite, Inc. Dimmer blade
EP1700917B1 (en) 2003-12-03 2016-04-13 Meiji Seika Pharma Co., Ltd. Endoglucanase stce and cellulase preparation containing the same
ES2312260B1 (en) * 2006-08-04 2010-01-08 Odel-Lux, S.A. REFLECTOR WITH RANDOM PSEUDO FACETATE.
JP5324791B2 (en) 2008-01-25 2013-10-23 スタンレー電気株式会社 Vehicle headlamp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1413315A (en) * 1919-09-05 1922-04-18 Correll Percy Edward Reflector
US1737027A (en) * 1924-12-13 1929-11-26 William H Schoonmaker Headlight
FR2055889A5 (en) * 1969-08-05 1971-05-14 Cibie Projecteurs
FR2413608A1 (en) * 1977-12-29 1979-07-27 Cibie Projecteurs LOW ICE HEATING AUTOMOTIVE HEADLIGHT

Also Published As

Publication number Publication date
EP0112397A1 (en) 1984-07-04

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