JPH0380902U - - Google Patents
Info
- Publication number
- JPH0380902U JPH0380902U JP14184389U JP14184389U JPH0380902U JP H0380902 U JPH0380902 U JP H0380902U JP 14184389 U JP14184389 U JP 14184389U JP 14184389 U JP14184389 U JP 14184389U JP H0380902 U JPH0380902 U JP H0380902U
- Authority
- JP
- Japan
- Prior art keywords
- boundary line
- shielding plate
- light shielding
- horizontal boundary
- projection lens
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案に係るプロジエクタ型前照灯の
一実施例を示す断面図、第２図は同じく本考案の
作用原理を示す説明図、第３図は同じ実施例の投
影レンズを示す正面図、第４図は従来例を示す断
面図、第５図は従来例の配光特性を示す説明図で
ある。
１……プロジエクタ型前照灯、２……反射鏡、
３……投影レンズ、３ａ……凸面、４……遮光板
、４ａ……上辺、５……シボ加工、５Ａ……下方
の位置、５Ｂ……上方の位置、Ｄ……配光特性、
Ｈ……水平境界線。
Fig. 1 is a sectional view showing an embodiment of a projector-type headlamp according to the present invention, Fig. 2 is an explanatory view showing the working principle of the invention, and Fig. 3 is a front view showing a projection lens of the same embodiment. 4 are cross-sectional views showing the conventional example, and FIG. 5 is an explanatory diagram showing the light distribution characteristics of the conventional example. 1...Projector type headlight, 2...Reflector,
3... Projection lens, 3a... Convex surface, 4... Light shielding plate, 4a... Upper side, 5... Graining, 5A... Lower position, 5B... Upper position, D... Light distribution characteristics,
H...Horizontal boundary line.
Claims (1)
めの遮光板と、該遮光板の前記水平境界線を投影
して配光特性とする投影レンズとで成るプロジエ
クタ型前照灯において、前記投影レンズの凸面側
の適宜部分には前記遮光板により構成された前記
水平境界線と直交する方向に沿うシボ加工が施さ
れていることを特徴とするプロジエクタ型前照灯
。 A projector type headlamp comprising a light shielding plate for forming a horizontal boundary line in the light beam from the reflecting mirror, and a projection lens for projecting the horizontal boundary line of the light shielding plate to obtain a light distribution characteristic, wherein the projection lens A projector type headlamp, characterized in that appropriate portions on the convex side of the projector are textured along a direction perpendicular to the horizontal boundary line formed by the light shielding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14184389U JPH0380902U (en) | 1989-12-07 | 1989-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14184389U JPH0380902U (en) | 1989-12-07 | 1989-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0380902U true JPH0380902U (en) | 1991-08-19 |
Family
ID=31688703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14184389U Pending JPH0380902U (en) | 1989-12-07 | 1989-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0380902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002237206A (en) * | 2001-01-02 | 2002-08-23 | Valeo Vision | Optical component for lighting system or indicator device used in automobile |
| JP2009199938A (en) * | 2008-02-22 | 2009-09-03 | Stanley Electric Co Ltd | Vehicle headlight |
-
1989
- 1989-12-07 JP JP14184389U patent/JPH0380902U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002237206A (en) * | 2001-01-02 | 2002-08-23 | Valeo Vision | Optical component for lighting system or indicator device used in automobile |
| JP2009199938A (en) * | 2008-02-22 | 2009-09-03 | Stanley Electric Co Ltd | Vehicle headlight |