JPH0418403B2 - - Google Patents

Info

Publication number
JPH0418403B2
JPH0418403B2 JP62272570A JP27257087A JPH0418403B2 JP H0418403 B2 JPH0418403 B2 JP H0418403B2 JP 62272570 A JP62272570 A JP 62272570A JP 27257087 A JP27257087 A JP 27257087A JP H0418403 B2 JPH0418403 B2 JP H0418403B2
Authority
JP
Japan
Prior art keywords
light distribution
distribution pattern
reflecting mirror
light
pattern
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 - Lifetime
Application number
JP62272570A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01115001A (ja
Inventor
Naoaki Nino
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.)
Koito Manufacturing Co Ltd
Original Assignee
Koito Manufacturing Co 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 Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Priority to JP62272570A priority Critical patent/JPH01115001A/ja
Priority to US07/263,579 priority patent/US4885669A/en
Publication of JPH01115001A publication Critical patent/JPH01115001A/ja
Publication of JPH0418403B2 publication Critical patent/JPH0418403B2/ja
Granted 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
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • 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
    • F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
    • 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
    • F21S41/36—Combinations of two or more separate reflectors
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
    • 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP62272570A 1987-10-28 1987-10-28 車輌用前照灯 Granted JPH01115001A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62272570A JPH01115001A (ja) 1987-10-28 1987-10-28 車輌用前照灯
US07/263,579 US4885669A (en) 1987-10-28 1988-10-26 Headlight device for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62272570A JPH01115001A (ja) 1987-10-28 1987-10-28 車輌用前照灯

Publications (2)

Publication Number Publication Date
JPH01115001A JPH01115001A (ja) 1989-05-08
JPH0418403B2 true JPH0418403B2 (US06826419-20041130-M00005.png) 1992-03-27

Family

ID=17515750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62272570A Granted JPH01115001A (ja) 1987-10-28 1987-10-28 車輌用前照灯

Country Status (2)

Country Link
US (1) US4885669A (US06826419-20041130-M00005.png)
JP (1) JPH01115001A (US06826419-20041130-M00005.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2591094B2 (ja) * 1988-08-23 1997-03-19 市光工業株式会社 自動車用前照灯
JPH0658761B2 (ja) * 1988-11-08 1994-08-03 株式会社小糸製作所 前照灯用反射鏡
US5055981A (en) * 1989-02-17 1991-10-08 Koito Manufacturing Co., Ltd. Automotive projector type headlight
US5023758A (en) * 1989-11-13 1991-06-11 General Electric Company Single arc discharge headlamp with light switch for high/low beam operation
DE19727982A1 (de) * 1997-07-01 1999-01-07 Hella Kg Hueck & Co Leuchte für Fahrzeuge
US6488395B2 (en) * 1998-01-30 2002-12-03 Federal-Mogul World Wide, Inc. Low profile lighting
JP3966982B2 (ja) * 1998-02-17 2007-08-29 株式会社小糸製作所 車輌用標識灯
DE19860669B4 (de) * 1998-12-29 2007-08-23 Automotive Lighting Reutlingen Gmbh Fahrzeugscheinwerfer nach dem Projektionsprinzip
DE60132866T2 (de) * 2000-10-06 2009-02-19 Stanley Electric Co. Ltd. Scheinwerfer
FR2844867B1 (fr) * 2002-09-20 2005-07-08 Valeo Vision Dispositif projecteur de vehicule automobile a miroir et element de deviation conjugues avec coupure non plate
FR2849159B1 (fr) * 2002-12-24 2005-02-18 Valeo Vision Projecteur a source lumineuse transversale pour vehicule automobile
US7625109B2 (en) * 2005-06-30 2009-12-01 Koito Manufacturing Co., Ltd. Vehicle lamp
JP2008041557A (ja) * 2006-08-09 2008-02-21 Ichikoh Ind Ltd 車両用前照灯用の灯具ユニット
DE202007013205U1 (de) * 2007-07-26 2008-12-11 Erco Leuchten Gmbh Leuchte

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5868801A (ja) * 1981-09-29 1983-04-23 ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 前照灯
JPS59134501A (ja) * 1983-01-21 1984-08-02 市光工業株式会社 自動車用前照灯
JPS62216102A (ja) * 1986-03-17 1987-09-22 株式会社小糸製作所 車輌用前照灯

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU505317B2 (en) * 1976-08-23 1979-11-15 Thorn Electrical Industries Limited Suppression of colour fringing in lamps
GB2000266B (en) * 1977-06-17 1982-01-27 Lucas Industries Ltd Lamp reflector for a motor vehicle
FR2503832B1 (fr) * 1981-04-14 1986-04-04 Cibie Projecteurs Projecteur de vehicule automobile a fenetre de sortie etroite
JPS5851503U (ja) * 1981-10-05 1983-04-07 トヨタ自動車株式会社 車両用前照燈
DE3226580A1 (de) * 1981-12-08 1983-06-16 Robert Bosch Gmbh, 7000 Stuttgart Scheinwerfer fuer kraftfahrzeuge
US4481563A (en) * 1982-05-10 1984-11-06 Corning Glass Works Automotive headlight having optics in the reflector
DE3218702A1 (de) * 1982-05-18 1983-11-24 Westfaelische Metall Industrie Fahrzeugscheinwerfer
US4498124A (en) * 1982-06-28 1985-02-05 Stewart-Warner Corporation Dual halogen lamp assembly
HU191444B (en) * 1984-09-21 1987-02-27 Tungsram Rt,Hu Reflector lamp
FR2580782B1 (fr) * 1985-04-22 1987-07-10 Cibie Projecteurs Projecteur de route pour vehicule automobile incorporant un reflecteur elliptique et un reflecteur parabolique
DE3525041C2 (de) * 1985-07-13 1994-06-16 Bosch Gmbh Robert Abblendlicht-oder Nebellichtscheinwerfer für Kraftfahrzeuge
DE3531223A1 (de) * 1985-08-31 1987-03-05 Bosch Gmbh Robert Scheinwerfer, insbesondere rechteckscheinwerfer, fuer abblendlicht von kraftfahrzeugen
US4704661A (en) * 1986-08-25 1987-11-03 General Electric Company Faceted reflector for headlamps

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5868801A (ja) * 1981-09-29 1983-04-23 ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 前照灯
JPS59134501A (ja) * 1983-01-21 1984-08-02 市光工業株式会社 自動車用前照灯
JPS62216102A (ja) * 1986-03-17 1987-09-22 株式会社小糸製作所 車輌用前照灯

Also Published As

Publication number Publication date
JPH01115001A (ja) 1989-05-08
US4885669A (en) 1989-12-05

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