JPH01143004U - - Google Patents
Info
- Publication number
- JPH01143004U JPH01143004U JP3958988U JP3958988U JPH01143004U JP H01143004 U JPH01143004 U JP H01143004U JP 3958988 U JP3958988 U JP 3958988U JP 3958988 U JP3958988 U JP 3958988U JP H01143004 U JPH01143004 U JP H01143004U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- source bulb
- projector
- reflecting mirror
- type headlamp
- 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図はその要部拡大図
である。第３図乃至第９図はプロジエクタ型前照
灯の原理的説明図である。
１……凹面鏡（反射鏡）、２……光源バルブ、
３……凸レンズ、４……シエード、４ａ……カツ
トライン、５……光源バルブ、５ａ……フイラメ
ント、５ｂ……管球、５ｂ−１……球状頭部、５
ｃ……反射膜。
FIG. 1 is a sectional view showing an embodiment of a projector type headlamp according to the present invention, and FIG. 2 is an enlarged view of the main parts thereof. 3 to 9 are diagrams explaining the principle of a projector type headlamp. 1... Concave mirror (reflector), 2... Light source bulb,
3... Convex lens, 4... Shade, 4a... Cut line, 5... Light source bulb, 5a... Filament, 5b... Tube, 5 b-1 ... Spherical head, 5
c... Reflective film.
Claims (1)
の光源バルブから出射した光が反射鏡で反射され
て焦点を結び、凸レンズによつて前記反射光を前
方に投射するプロジエクタ型前照灯において、 (a) 前記光源バルブの管状の頂部を半球状に形
成すると共に、 (b) 該半球状部の管壁面に反射膜を設け、かつ
、 (c) 上記半球状部の中心点を、該光源バルブの
フイラメント近傍に位置せしめたことを特徴とす
るプロジエクタ型前照灯。[Claims for Utility Model Registration] A light source bulb is installed near the focal point of a reflecting mirror, the light emitted from the light source bulb is reflected by the reflecting mirror and focused, and the reflected light is projected forward by a convex lens. In a projector-type headlamp, (a) the tubular top of the light source bulb is formed into a hemispherical shape, (b) a reflective film is provided on the tube wall surface of the hemispherical part, and (c) the hemispherical shape is A projector-type headlamp, characterized in that a center point of the portion is located near a filament of the light source bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3958988U JPH01143004U (en) | 1988-03-28 | 1988-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3958988U JPH01143004U (en) | 1988-03-28 | 1988-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01143004U true JPH01143004U (en) | 1989-09-29 |
Family
ID=31266088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3958988U Pending JPH01143004U (en) | 1988-03-28 | 1988-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01143004U (en) |
-
1988
- 1988-03-28 JP JP3958988U patent/JPH01143004U/ja active Pending