JPH02124604U - - Google Patents
Info
- Publication number
- JPH02124604U JPH02124604U JP3329689U JP3329689U JPH02124604U JP H02124604 U JPH02124604 U JP H02124604U JP 3329689 U JP3329689 U JP 3329689U JP 3329689 U JP3329689 U JP 3329689U JP H02124604 U JPH02124604 U JP H02124604U
- Authority
- JP
- Japan
- Prior art keywords
- light
- projector
- convex lens
- concave mirror
- wavelength band
- 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
- 230000003287 optical effect Effects 0.000 description 1
Description
第１図は本考案に係るプロジエクタ型の自動車
用前照灯の一実施例を示す断面図である。第２図
は上記実施例の作用説明図、第３図は同じく凸レ
ンズの正面外観図である。第４図乃至第６図は従
来例のプロジエクタ型前照灯を示し、第４図は平
面図、第５図は側面図、第６図は正面図である。
第７図及び第８図は上記従来例の光学的特性を示
す図表である。第９図は従来例の断面図である。
第１０図は従来例における課題の説明図である。
１……凹面鏡、２……光源バルブ、３，３′…
…凸レンズ、３ａ′……多層膜、４……シエード
、５……プロジエクタユニツト、６……ランプハ
ウジング、７……前面カバー、８……固定ブラケ
ツト、９……フレーム、１０……インナパネル、
１０ａ……開口、１１……回動ブラケツト、１２
……垂直軸、１３……水平軸。
FIG. 1 is a sectional view showing an embodiment of a projector-type automobile headlamp according to the present invention. FIG. 2 is an explanatory view of the operation of the above embodiment, and FIG. 3 is a front external view of the convex lens. 4 to 6 show a conventional projector type headlamp, in which FIG. 4 is a plan view, FIG. 5 is a side view, and FIG. 6 is a front view.
FIGS. 7 and 8 are charts showing the optical characteristics of the above-mentioned conventional example. FIG. 9 is a sectional view of a conventional example.
FIG. 10 is an explanatory diagram of problems in the conventional example. 1... Concave mirror, 2... Light source bulb, 3, 3'...
...Convex lens, 3a'...Multilayer film, 4...Shade, 5...Projector unit, 6...Lamp housing, 7...Front cover, 8...Fixing bracket, 9...Frame, 10...Inner panel ,
10a...Opening, 11...Rotating bracket, 12
...Vertical axis, 13...Horizontal axis.
Claims (1)
の光源バルブから出射した光が凹面鏡で反射され
凸レンズによつて前記反射光を前方に投射するプ
ロジエクタ型の自動車用前照灯において、前記凸
レンズの表面に、特定波長帯の光を反射して該特
定波長帯以外の光を通過させる多層膜を設けたこ
とを特徴とする、プロジエクタ型の自動車用前照
灯。 In a projector-type automobile headlamp in which a light source bulb is installed near the focal point of a concave mirror, light emitted from the light source bulb is reflected by the concave mirror, and the reflected light is projected forward by a convex lens, the surface of the convex lens A projector-type automobile headlamp, characterized in that a multilayer film is provided that reflects light in a specific wavelength band and passes light other than the specific wavelength band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3329689U JPH02124604U (en) | 1989-03-27 | 1989-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3329689U JPH02124604U (en) | 1989-03-27 | 1989-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02124604U true JPH02124604U (en) | 1990-10-15 |
Family
ID=31536854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3329689U Pending JPH02124604U (en) | 1989-03-27 | 1989-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02124604U (en) |
-
1989
- 1989-03-27 JP JP3329689U patent/JPH02124604U/ja active Pending