JPS6484502A - Reflective mirror for head light - Google Patents
Reflective mirror for head lightInfo
- 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
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.
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)
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)
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 |
-
1987
- 1987-09-28 JP JP62243404A patent/JPS6484502A/en active Granted
Patent Citations (2)
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)
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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