JPS6484502A - Reflective mirror for head light - Google Patents

Reflective mirror for head light

Info

Publication number
JPS6484502A
JPS6484502A JP62243404A JP24340487A JPS6484502A JP S6484502 A JPS6484502 A JP S6484502A JP 62243404 A JP62243404 A JP 62243404A JP 24340487 A JP24340487 A JP 24340487A JP S6484502 A JPS6484502 A JP S6484502A
Authority
JP
Japan
Prior art keywords
reflecting
distribution pattern
light distribution
parabolic surface
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.)
Granted
Application number
JP62243404A
Other languages
Japanese (ja)
Other versions
JPH0418402B2 (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 JP62243404A priority Critical patent/JPS6484502A/en
Publication of JPS6484502A publication Critical patent/JPS6484502A/en
Publication of JPH0418402B2 publication Critical patent/JPH0418402B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To form a basic shape of a light distribution pattern by a reflecting mirror only, by dividing the reflecting mirror into four sections while viewing it from the front, forming an upper and a lower part into a part of a boat shaped parabolic surface and forming a right side and a left side into a surface with excellent light condensing performance such as a rotating parabolic surface. CONSTITUTION: The reflecting surface of a reflecting mirror 1 is divided into four sections 21 , 22 , 23 , 24 . The upper and lower reflecting parts 21 , 22 forms a part of a boat shaped parabolic surface making a straight line on its vertical cross section and making a parabola on its horizontal cross section, the left side reflecting surface 23 and right side reflecting surface 24 forms a part of a rotating parabolic surface, and a focus F of the parabolas of the reflecting surfaces 21 -24 is common. A light distribution pattern 6 of a basic shape for a vehicle headlamp composed of a band pattern 71 by the reflecting surfaces 21 , 22 and a light distribution pattern 72 with orderly top, bottom, right and left parts can be obtained, by positioning a light source at the focus F. Thereby, a role played by a lens for the head light gets very small and it can be easily matched to an appearance design of a vehicle body.
JP62243404A 1987-09-28 1987-09-28 Reflective mirror for head light Granted JPS6484502A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62243404A JPS6484502A (en) 1987-09-28 1987-09-28 Reflective mirror for head light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62243404A JPS6484502A (en) 1987-09-28 1987-09-28 Reflective mirror for head light

Publications (2)

Publication Number Publication Date
JPS6484502A true JPS6484502A (en) 1989-03-29
JPH0418402B2 JPH0418402B2 (en) 1992-03-27

Family

ID=17103355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62243404A Granted JPS6484502A (en) 1987-09-28 1987-09-28 Reflective mirror for head light

Country Status (1)

Country Link
JP (1) JPS6484502A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100327048B1 (en) * 2000-02-16 2002-03-06 김중호 korean plow
WO2004015329A1 (en) * 2002-07-26 2004-02-19 Koninklijke Philips Electronics N.V. Illumination system
CN102748690A (en) * 2011-04-22 2012-10-24 株式会社小糸制作所 Vehicle headlamp

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5868801A (en) * 1981-09-29 1983-04-23 ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング Head lamp
JPS62216102A (en) * 1986-03-17 1987-09-22 株式会社小糸製作所 Head lamp for vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5868801A (en) * 1981-09-29 1983-04-23 ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング Head lamp
JPS62216102A (en) * 1986-03-17 1987-09-22 株式会社小糸製作所 Head lamp for vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100327048B1 (en) * 2000-02-16 2002-03-06 김중호 korean plow
WO2004015329A1 (en) * 2002-07-26 2004-02-19 Koninklijke Philips Electronics N.V. Illumination system
CN102748690A (en) * 2011-04-22 2012-10-24 株式会社小糸制作所 Vehicle headlamp

Also Published As

Publication number Publication date
JPH0418402B2 (en) 1992-03-27

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