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EP0213348A3 - Dipped light headlamp or fog lamp for motor vehicles - Google Patents

Dipped light headlamp or fog lamp for motor vehicles Download PDF

Info

Publication number
EP0213348A3
EP0213348A3 EP86109718A EP86109718A EP0213348A3 EP 0213348 A3 EP0213348 A3 EP 0213348A3 EP 86109718 A EP86109718 A EP 86109718A EP 86109718 A EP86109718 A EP 86109718A EP 0213348 A3 EP0213348 A3 EP 0213348A3
Authority
EP
European Patent Office
Prior art keywords
horizontal plane
reflector
motor vehicles
fog lamp
optical axis
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.)
Granted
Application number
EP86109718A
Other languages
German (de)
Other versions
EP0213348A2 (en
EP0213348B1 (en
Inventor
Christian Lietar
Peter Perthus
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to AT86109718T priority Critical patent/ATE82628T1/en
Publication of EP0213348A2 publication Critical patent/EP0213348A2/en
Publication of EP0213348A3 publication Critical patent/EP0213348A3/en
Application granted granted Critical
Publication of EP0213348B1 publication Critical patent/EP0213348B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F21S41/30—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
    • F21S41/331—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas
    • F21S41/332—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas with continuity at the junction between adjacent areas

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

An antidazzle headlamp has a reflector which is asymmetric relative to a horizontal plane passing through an optical axis of the reflector. The contours of the reflector corresponding to vertical sections in parallel planes forming right angles with a horizontal plane passing through the optical axis, form an upper and a lower half ellipse. Both half ellipses in each vertical section have a common large axis which is staggered upward relative to the horizontal plane. In this manner an antidazzle light beam is created which guarantees an intensive and complete illumination of edges of a roadway even at a close range from the motor vehicle.
EP86109718A 1985-08-31 1986-07-16 Dipped light headlamp or fog lamp for motor vehicles Expired - Lifetime EP0213348B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86109718T ATE82628T1 (en) 1985-08-31 1986-07-16 HEADLIGHTS FOR LOW BEAM OR FOG BEAM OF MOTOR VEHICLES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3531224 1985-08-31
DE19853531224 DE3531224A1 (en) 1985-08-31 1985-08-31 HEADLIGHTS FOR LOW BEAM OR FOG LIGHTS OF MOTOR VEHICLES

Publications (3)

Publication Number Publication Date
EP0213348A2 EP0213348A2 (en) 1987-03-11
EP0213348A3 true EP0213348A3 (en) 1990-02-07
EP0213348B1 EP0213348B1 (en) 1992-11-19

Family

ID=6279889

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86109718A Expired - Lifetime EP0213348B1 (en) 1985-08-31 1986-07-16 Dipped light headlamp or fog lamp for motor vehicles

Country Status (5)

Country Link
US (1) US4669032A (en)
EP (1) EP0213348B1 (en)
JP (1) JPH0797442B2 (en)
AT (1) ATE82628T1 (en)
DE (2) DE3531224A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3525041C2 (en) * 1985-07-13 1994-06-16 Bosch Gmbh Robert Low beam or fog lights for motor vehicles
US4825343A (en) * 1985-12-27 1989-04-25 Ichikoh Industries Limited Projector type headlamp for vehicles
ES2021107B3 (en) * 1987-03-11 1991-10-16 Eastman Kodak Company (A New Jersey Corporation) VEHICLE LIGHTHOUSE AND METHOD OF PRODUCING AN OPTICALLY EFFECTIVE SYSTEM OF THE SAME
JP2691712B2 (en) * 1987-06-17 1997-12-17 日産自動車 株式会社 Projector type vehicle headlight
JPH033921Y2 (en) * 1987-08-19 1991-01-31
JPS6486401A (en) * 1987-09-29 1989-03-31 Koito Mfg Co Ltd Head light of vehicle
JPH01120702A (en) * 1987-11-05 1989-05-12 Koito Mfg Co Ltd Vehicle head light
JPH0673241B2 (en) * 1988-04-04 1994-09-14 株式会社小糸製作所 Vehicle headlights
JP2508827B2 (en) * 1988-11-30 1996-06-19 市光工業株式会社 Automotive headlights
DE4225370B4 (en) * 1992-07-31 2004-02-05 Robert Bosch Gmbh Fog lights for vehicles
US5461553A (en) * 1994-09-28 1995-10-24 Robert Bosch Gmbh Headlight for vehicle
US8419231B2 (en) 2010-07-09 2013-04-16 Leroy E. Anderson LED extended optic tir light cover with light beam control

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1037983B (en) * 1955-12-09 1958-09-04 Westfaelische Metall Industrie Motor vehicle headlights with two-filament lamps
US3492474A (en) * 1966-12-02 1970-01-27 Koito Mfg Co Ltd Reflector with compound curvature reflecting surface
FR2554547A1 (en) * 1983-11-09 1985-05-10 Westfaelische Metall Industrie VEHICLE HEADLIGHT IN CODE LIGHT POSITION

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1090521A (en) * 1953-08-31 1955-03-31 Lighting projector for vehicle and mirror intended for this projector
FR2087317A5 (en) * 1970-05-14 1971-12-31 Cibie Projecteurs
US3818210A (en) * 1972-03-06 1974-06-18 Westinghouse Electric Corp Vehicular road-lighting system having a headlamp with a dual-segment reflector
GB1476297A (en) * 1973-09-29 1977-06-10 Lucas Electrical Ltd Motor vehicle lamp assemblies
FR2396240A1 (en) * 1977-07-01 1979-01-26 Cibie Projecteurs LARGE OPENING CROSSING-ROAD PROJECTOR FOR MOTOR VEHICLES
US4303965A (en) * 1978-10-16 1981-12-01 Westinghouse Electric Corp. Single-mode vehicular headlamp system
JPS5669701A (en) * 1979-11-10 1981-06-11 Nissan Motor Head light for vehicle
JPS5851503U (en) * 1981-10-05 1983-04-07 トヨタ自動車株式会社 Vehicle headlights
FR2536502B1 (en) * 1982-11-19 1987-01-09 Cibie Projecteurs CROSSING PROJECTOR FOR MOTOR VEHICLE
FR2558236B1 (en) * 1984-01-12 1986-05-23 Cibie Projecteurs IMPROVEMENTS ON CUTTING BEAM AUTOMOTIVE PROJECTORS
DE3417034A1 (en) * 1984-05-09 1985-11-14 Robert Bosch Gmbh, 7000 Stuttgart HEADLIGHTS, IN PARTICULAR LOW BEAM HEADLIGHTS, FOR MOTOR VEHICLES

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1037983B (en) * 1955-12-09 1958-09-04 Westfaelische Metall Industrie Motor vehicle headlights with two-filament lamps
US3492474A (en) * 1966-12-02 1970-01-27 Koito Mfg Co Ltd Reflector with compound curvature reflecting surface
FR2554547A1 (en) * 1983-11-09 1985-05-10 Westfaelische Metall Industrie VEHICLE HEADLIGHT IN CODE LIGHT POSITION

Also Published As

Publication number Publication date
US4669032A (en) 1987-05-26
JPH0797442B2 (en) 1995-10-18
EP0213348A2 (en) 1987-03-11
JPS6252801A (en) 1987-03-07
EP0213348B1 (en) 1992-11-19
DE3687135D1 (en) 1992-12-24
DE3531224A1 (en) 1987-03-05
ATE82628T1 (en) 1992-12-15

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