IT1176764B - HEADLIGHTS FOR MOTOR VEHICLES - Google Patents

HEADLIGHTS FOR MOTOR VEHICLES

Info

Publication number
IT1176764B
IT1176764B IT22773/84A IT2277384A IT1176764B IT 1176764 B IT1176764 B IT 1176764B IT 22773/84 A IT22773/84 A IT 22773/84A IT 2277384 A IT2277384 A IT 2277384A IT 1176764 B IT1176764 B IT 1176764B
Authority
IT
Italy
Prior art keywords
headlights
motor vehicles
vehicles
motor
Prior art date
Application number
IT22773/84A
Other languages
Italian (it)
Other versions
IT8422773A1 (en
IT8422773A0 (en
Inventor
Christian Lietar
Gerhard Lindae
Jean Francois Longchamp
Peter Perthus
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of IT8422773A0 publication Critical patent/IT8422773A0/en
Publication of IT8422773A1 publication Critical patent/IT8422773A1/en
Application granted granted Critical
Publication of IT1176764B publication Critical patent/IT1176764B/en

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
    • F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
IT22773/84A 1983-09-23 1984-09-21 HEADLIGHTS FOR MOTOR VEHICLES IT1176764B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3334459A DE3334459C2 (en) 1983-09-23 1983-09-23 Low beam headlight reflector for motor vehicles

Publications (3)

Publication Number Publication Date
IT8422773A0 IT8422773A0 (en) 1984-09-21
IT8422773A1 IT8422773A1 (en) 1986-03-21
IT1176764B true IT1176764B (en) 1987-08-18

Family

ID=6209874

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22773/84A IT1176764B (en) 1983-09-23 1984-09-21 HEADLIGHTS FOR MOTOR VEHICLES

Country Status (4)

Country Link
DE (1) DE3334459C2 (en)
FR (1) FR2552528B1 (en)
IT (1) IT1176764B (en)
SE (1) SE452646B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3339879A1 (en) * 1983-11-04 1985-05-15 Robert Bosch Gmbh, 7000 Stuttgart HEADLIGHTS FOR LOW BEAMS OF MOTOR VEHICLES
FR2581211B1 (en) * 1985-04-25 1987-10-30 Hardware DEVICE FOR PROJECTING SLIDES WITH XENON LIGHT SOURCE PROVIDED WITH A CONVERGENT LENS
DE3530002C2 (en) * 1985-08-22 1994-05-26 Bosch Gmbh Robert Headlight unit with two reflectors for motor vehicles
DE3620789C2 (en) * 1986-06-20 1993-12-23 Bosch Gmbh Robert Dimmed automotive headlights
DE3628421A1 (en) * 1986-08-21 1988-02-25 Bayerische Motoren Werke Ag HEADLIGHTS FOR MOTOR VEHICLES
AU1489988A (en) * 1987-03-11 1988-10-10 Eastman Kodak Company Vehicular headlight and method of producing an optically effective system of same
JP2517368B2 (en) * 1988-09-27 1996-07-24 株式会社小糸製作所 Vehicle headlight and vehicle headlight device
AT406079B (en) * 1989-10-17 2000-02-25 Zizala Lichtsysteme Gmbh VEHICLE HEADLIGHTS
DE4112988C2 (en) * 1991-04-20 2002-06-27 Bosch Gmbh Robert Low beam motor vehicle headlights
DE4228890B4 (en) * 1992-08-29 2006-03-16 Automotive Lighting Reutlingen Gmbh Headlights for vehicles
US5897196A (en) * 1996-03-29 1999-04-27 Osram Sylvania Inc. Motor vehicle headlamp
DE19621253B4 (en) * 1996-05-25 2007-04-12 Automotive Lighting Reutlingen Gmbh Vehicle headlights
FR2789476B1 (en) 1999-02-09 2001-04-27 Valeo Vision ELLIPTICAL PROJECTOR FOR A MOTOR VEHICLE, LIKELY TO TRANSMIT A BEAM WITHOUT CUT
FR2789475B1 (en) * 1999-02-09 2001-04-27 Valeo Vision ELLIPTICAL PROJECTOR FOR A MOTOR VEHICLE CAPABLE OF EMITTING A BEAM WITH IMPROVED PHOTOMETRY CUTTING
JP4339153B2 (en) * 2004-03-11 2009-10-07 株式会社小糸製作所 Vehicle lamp unit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR539335A (en) * 1921-04-02 1922-06-24 Reflective system for headlights and the like
GB192430A (en) * 1921-08-23 1923-01-13 Evan Paul Bone Improvements in headlights
US2186951A (en) * 1936-02-22 1940-01-16 Timbro Ab Headlight for vehicles
GB1476297A (en) * 1973-09-29 1977-06-10 Lucas Electrical Ltd Motor vehicle lamp assemblies
DE3218702C2 (en) * 1982-05-18 1987-01-29 Hella KG Hueck & Co, 4780 Lippstadt Vehicle headlights

Also Published As

Publication number Publication date
FR2552528B1 (en) 1988-12-02
DE3334459C2 (en) 1993-10-21
IT8422773A1 (en) 1986-03-21
SE452646B (en) 1987-12-07
SE8404746D0 (en) 1984-09-21
IT8422773A0 (en) 1984-09-21
DE3334459A1 (en) 1985-04-11
FR2552528A1 (en) 1985-03-29
SE8404746L (en) 1985-03-24

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960925