JPH0237405U - - Google Patents
Info
- Publication number
- JPH0237405U JPH0237405U JP11552688U JP11552688U JPH0237405U JP H0237405 U JPH0237405 U JP H0237405U JP 11552688 U JP11552688 U JP 11552688U JP 11552688 U JP11552688 U JP 11552688U JP H0237405 U JPH0237405 U JP H0237405U
- Authority
- JP
- Japan
- Prior art keywords
- light bulb
- filament
- desired shape
- paraboloids
- center point
- 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
- 238000009792 diffusion process Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 1
Description
第１図は本考案に係る車両用灯具の一実施例を
示す構造説明図、第２図は同実施例の光像（レン
ズなしのパターン）を示す図、第３図は同実施例
の拡散状態を示す図、第４図は本考案の他の実施
例を示す構造説明図、第５図及び第６図は従来例
を示す構造説明図、第７図は従来例における光像
（レンズなしのパターン）を示す図、第８図は従
来例（魚眼カツトのレンズを用いた場合）の拡散
状態を示す図である。
１……ハウジング、１Ａ，１Ａ′……反射面、
２……電球、２Ａ……フイラメント、３……レン
ズ、Ｐ１，Ｐ２……放物面、Ｆ１，Ｆ２……放物
面の焦点、Ｑ，Ｑ′……放物面またはこれに近似
の曲面。
Fig. 1 is a structural explanatory diagram showing one embodiment of a vehicle lamp according to the present invention, Fig. 2 is a diagram showing a light image (pattern without lens) of the same embodiment, and Fig. 3 is a diffusion diagram of the same embodiment. Fig. 4 is a structural explanatory drawing showing another embodiment of the present invention, Figs. 5 and 6 are structural explanatory drawings showing a conventional example, and Fig. 7 is an optical image in the conventional example (without lens). FIG. 8 is a diagram showing the diffusion state of a conventional example (when a fisheye cut lens is used). 1... Housing, 1A, 1A'... Reflective surface,
2... Light bulb, 2A... Filament, 3... Lens, P1, P2... Paraboloid, F1, F2... Focal point of paraboloid, Q, Q'... Paraboloid or curved surface approximating it. .
Claims (1)
、かつその長手方向が垂直となるように装着した
電球と、この電球のフイラメントの中心点より上
下に所要寸法離れた点を焦点とする二つの放物面
の相手より内側または外側の部分を、二つの放物
面に接するような放物面またはこれに近似の曲面
を介して連続するように組合わせて所要の形状と
した反射面と、左右方向の拡散カツトを施された
前面レンズとを備えたことを特徴とする車両用灯
具。 A light bulb installed so that the center point of the filament is located on the center line of the light bulb and its longitudinal direction is perpendicular, and two paraboloids whose focal points are points a required distance above and below the center point of the light bulb's filament. A reflective surface that has a desired shape by combining the inner or outer part of the surface with a paraboloid that touches two paraboloids or a curved surface that approximates this, and a reflective surface that has a desired shape. A vehicle lamp characterized in that it is equipped with a front lens having a diffusion cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11552688U JPH0319121Y2 (en) | 1988-09-01 | 1988-09-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11552688U JPH0319121Y2 (en) | 1988-09-01 | 1988-09-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0237405U true JPH0237405U (en) | 1990-03-12 |
| JPH0319121Y2 JPH0319121Y2 (en) | 1991-04-23 |
Family
ID=31357267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11552688U Expired JPH0319121Y2 (en) | 1988-09-01 | 1988-09-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0319121Y2 (en) |
-
1988
- 1988-09-01 JP JP11552688U patent/JPH0319121Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0319121Y2 (en) | 1991-04-23 |
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