JPS6467802A - Vehicle head light - Google Patents

Vehicle head light

Info

Publication number
JPS6467802A
JPS6467802A JP62223796A JP22379687A JPS6467802A JP S6467802 A JPS6467802 A JP S6467802A JP 62223796 A JP62223796 A JP 62223796A JP 22379687 A JP22379687 A JP 22379687A JP S6467802 A JPS6467802 A JP S6467802A
Authority
JP
Japan
Prior art keywords
rim
projection
intensity distribution
luminous intensity
shading
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
JP62223796A
Other languages
Japanese (ja)
Other versions
JPH0410163B2 (en
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 JP62223796A priority Critical patent/JPS6467802A/en
Publication of JPS6467802A publication Critical patent/JPS6467802A/en
Publication of JPH0410163B2 publication Critical patent/JPH0410163B2/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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/265—Composite lenses; Lenses with a patch-like shape
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

PURPOSE: To obtain a desired spread of a luminous intensity distribution pattern in the right and left direction by making a contrast boundary line on its upper rim clear by roughly positioning focuses of two projection lenses provided correspondingly to a shading rim with two different parts at corresponding parts respectively on the shade rim. CONSTITUTION: Two portions 6a, 6b with different shapes are provided on a shading rim 6, two projection lenses 8a, 8b corresponding to the two parts 6a, 6b are also formed on a projection lens 8, and a focus of each projection lens is roughly positioned at the part corresponding to each lens on the shading rim. Accordingly, the two lenses 8a, 8b take charge of projection with different patterns respectively, one pattern is clearly projected and another pattern is spread out right and left. Thereby, a desired spread of a luminous intensity distribution pattern can be obtained without making the luminous intensity distribution, a contrast boundary line of its upper rim in particular, obscure.
JP62223796A 1987-09-07 1987-09-07 Vehicle head light Granted JPS6467802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62223796A JPS6467802A (en) 1987-09-07 1987-09-07 Vehicle head light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62223796A JPS6467802A (en) 1987-09-07 1987-09-07 Vehicle head light

Publications (2)

Publication Number Publication Date
JPS6467802A true JPS6467802A (en) 1989-03-14
JPH0410163B2 JPH0410163B2 (en) 1992-02-24

Family

ID=16803853

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62223796A Granted JPS6467802A (en) 1987-09-07 1987-09-07 Vehicle head light

Country Status (1)

Country Link
JP (1) JPS6467802A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2889289A1 (en) * 2005-07-29 2007-02-02 Valeo Vision Sa Illumination headlamp for motor vehicle, has bifocal lens with front convex faces to admit distinct focuses placed near ellipsoidal portion focuses whose distance is less than/equal to half of transversal dimension of headlamp front opening

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61183202A (en) * 1985-02-12 1986-08-15 Ichiro Yamashita Production of agent effective to control blight and vermin of agricultural crop and harmless to man and animal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61183202A (en) * 1985-02-12 1986-08-15 Ichiro Yamashita Production of agent effective to control blight and vermin of agricultural crop and harmless to man and animal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2889289A1 (en) * 2005-07-29 2007-02-02 Valeo Vision Sa Illumination headlamp for motor vehicle, has bifocal lens with front convex faces to admit distinct focuses placed near ellipsoidal portion focuses whose distance is less than/equal to half of transversal dimension of headlamp front opening

Also Published As

Publication number Publication date
JPH0410163B2 (en) 1992-02-24

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