GB2149077B - Headlamp for dipped light in motor vehicles - Google Patents

Headlamp for dipped light in motor vehicles

Info

Publication number
GB2149077B
GB2149077B GB08425108A GB8425108A GB2149077B GB 2149077 B GB2149077 B GB 2149077B GB 08425108 A GB08425108 A GB 08425108A GB 8425108 A GB8425108 A GB 8425108A GB 2149077 B GB2149077 B GB 2149077B
Authority
GB
United Kingdom
Prior art keywords
headlamp
motor vehicles
dipped light
dipped
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
Application number
GB08425108A
Other versions
GB2149077A (en
GB8425108D0 (en
Inventor
Christian Leitar
Gerhard Lindae
Jean-Francios Longchamp
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
Publication of GB8425108D0 publication Critical patent/GB8425108D0/en
Publication of GB2149077A publication Critical patent/GB2149077A/en
Application granted granted Critical
Publication of GB2149077B publication Critical patent/GB2149077B/en
Expired 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
    • F21S41/40—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
    • F21S41/30—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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB08425108A 1983-11-04 1984-10-04 Headlamp for dipped light in motor vehicles Expired GB2149077B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833339879 DE3339879A1 (en) 1983-11-04 1983-11-04 HEADLIGHTS FOR LOW BEAMS OF MOTOR VEHICLES

Publications (3)

Publication Number Publication Date
GB8425108D0 GB8425108D0 (en) 1984-11-07
GB2149077A GB2149077A (en) 1985-06-05
GB2149077B true GB2149077B (en) 1987-09-23

Family

ID=6213431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08425108A Expired GB2149077B (en) 1983-11-04 1984-10-04 Headlamp for dipped light in motor vehicles

Country Status (4)

Country Link
DE (1) DE3339879A1 (en)
FR (1) FR2554546B1 (en)
GB (1) GB2149077B (en)
SE (1) SE448652B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3628421A1 (en) * 1986-08-21 1988-02-25 Bayerische Motoren Werke Ag HEADLIGHTS FOR MOTOR VEHICLES
JP2769259B2 (en) * 1992-01-27 1998-06-25 株式会社小糸製作所 Automotive headlamp
DE4429839B8 (en) * 1994-08-23 2007-08-02 Automotive Lighting Reutlingen Gmbh Vehicle headlights
US5461553A (en) * 1994-09-28 1995-10-24 Robert Bosch Gmbh Headlight for vehicle
DE19860669B4 (en) * 1998-12-29 2007-08-23 Automotive Lighting Reutlingen Gmbh Vehicle headlights according to the projection principle
FR2811408B1 (en) † 2000-07-07 2002-10-18 Valeo Vision ELLIPTICAL PROJECTOR IN PARTICULAR FOR IMPROVED LOW PHOTOMETRY ROAD LIGHTING
JP2002367411A (en) * 2001-06-05 2002-12-20 Koito Mfg Co Ltd Vehicle headlamp
EA009340B1 (en) 2003-07-29 2007-12-28 Турхан Алджелик Headlamp with a continuous long-distance illumination without glaring effects
CZ299345B6 (en) * 2003-10-06 2008-06-25 Visteon Global Technologies, Inc. Variable adaptive headlight system for motor vehicles
US7891851B2 (en) 2005-04-05 2011-02-22 Turhan Alcelik Headlamp with long-distance illumination without glaring effect
AT511760B1 (en) * 2011-08-08 2013-12-15 Zizala Lichtsysteme Gmbh LED LIGHT SOURCE MODULE FOR A LED MOTOR VEHICLE HEADLIGHT AND LED MOTOR VEHICLE HEADLAMP AND HEADLAMP SYSTEM

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1476297A (en) * 1973-09-29 1977-06-10 Lucas Electrical Ltd Motor vehicle lamp assemblies
AU505317B2 (en) * 1976-08-23 1979-11-15 Thorn Electrical Industries Limited Suppression of colour fringing in lamps
DE3334459C2 (en) * 1983-09-23 1993-10-21 Bosch Gmbh Robert Low beam headlight reflector for motor vehicles

Also Published As

Publication number Publication date
FR2554546B1 (en) 1989-03-31
SE8405490D0 (en) 1984-11-01
SE448652B (en) 1987-03-09
GB2149077A (en) 1985-06-05
DE3339879C2 (en) 1992-08-06
SE8405490L (en) 1985-05-05
GB8425108D0 (en) 1984-11-07
FR2554546A1 (en) 1985-05-10
DE3339879A1 (en) 1985-05-15

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19981004