CA1270036C - Motor vehicle headlight - Google Patents

Motor vehicle headlight

Info

Publication number
CA1270036C
CA1270036C CA529123A CA529123A CA1270036C CA 1270036 C CA1270036 C CA 1270036C CA 529123 A CA529123 A CA 529123A CA 529123 A CA529123 A CA 529123A CA 1270036 C CA1270036 C CA 1270036C
Authority
CA
Canada
Prior art keywords
reflector
motor vehicle
headlight
inch
coiled filament
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
CA529123A
Other languages
English (en)
French (fr)
Other versions
CA1270036A (en
Inventor
Robert E Levin
George J English
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 filed Critical
Application granted granted Critical
Publication of CA1270036A publication Critical patent/CA1270036A/en
Publication of CA1270036C publication Critical patent/CA1270036C/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
    • F21S41/10—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
    • F21S41/166—Incandescent light sources, e.g. filament or halogen lamps characterised by the shape of the filament
    • 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
    • F21S41/28—Cover glass
    • 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
    • F21S41/2805—Cover glass
    • 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
    • F21S41/331—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas
    • F21S41/333—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas with discontinuity at the junction between adjacent areas
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
CA529123A 1986-02-06 1987-02-05 Motor vehicle headlight Expired CA1270036C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82652686A 1986-02-06 1986-02-06
US826,526 1986-02-06

Publications (2)

Publication Number Publication Date
CA1270036A CA1270036A (en) 1990-06-05
CA1270036C true CA1270036C (en) 1990-06-05

Family

ID=25246781

Family Applications (1)

Application Number Title Priority Date Filing Date
CA529123A Expired CA1270036C (en) 1986-02-06 1987-02-05 Motor vehicle headlight

Country Status (4)

Country Link
EP (1) EP0232843B1 (ja)
JP (1) JPH0821370B2 (ja)
CA (1) CA1270036C (ja)
DE (1) DE3786931T2 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01164661U (ja) * 1988-05-10 1989-11-16
JP2003501793A (ja) * 1999-06-03 2003-01-14 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ランプ／リフレクタユニット
DE10035401B4 (de) * 2000-07-19 2006-01-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Halogenglühlampe für Kraftfahrzeugscheinwerfer
WO2007061956A2 (en) 2005-11-21 2007-05-31 Entegris, Inc. System and method for a pump with reduced form factor
US8083498B2 (en) 2005-12-02 2011-12-27 Entegris, Inc. System and method for position control of a mechanical piston in a pump
JP4991834B2 (ja) * 2009-12-17 2012-08-01 シャープ株式会社 車両用前照灯
JP5232815B2 (ja) 2010-02-10 2013-07-10 シャープ株式会社 車両用前照灯
US9816677B2 (en) 2010-10-29 2017-11-14 Sharp Kabushiki Kaisha Light emitting device, vehicle headlamp, illumination device, and laser element
EP3216045B1 (en) * 2014-11-07 2018-08-29 Lumileds Holding B.V. Lamp with heat-shielding element

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH108619A (de) * 1924-02-25 1925-02-02 Lilienfeld Julius Edgar Prof D Automobilscheinwerfer.
CH310970A (de) * 1952-11-17 1955-11-15 Siemens Ag Albis Scheinwerfer.
JPS4427113Y1 (ja) * 1967-07-05 1969-11-12
JPS5439151Y2 (ja) * 1975-07-23 1979-11-20
HU178521B (en) * 1979-03-07 1982-05-28 Egyesuelt Izzolampa Electric reflector unit,in particular fullglass headlamp
DE3581648D1 (de) * 1984-04-10 1991-03-14 Gte Prod Corp Lampeneinheit fuer scheinwerfersysteme von kraftfahrzeugen.

Also Published As

Publication number Publication date
DE3786931T2 (de) 1994-02-24
CA1270036A (en) 1990-06-05
EP0232843A2 (en) 1987-08-19
JPS62254355A (ja) 1987-11-06
JPH0821370B2 (ja) 1996-03-04
DE3786931D1 (de) 1993-09-16
EP0232843B1 (en) 1993-08-11
EP0232843A3 (en) 1989-06-07

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Legal Events

Date Code Title Description
MKLA Lapsed
MKLA Lapsed

Effective date: 20000605