JPS6329806U - - Google Patents
Info
- Publication number
- JPS6329806U JPS6329806U JP12336386U JP12336386U JPS6329806U JP S6329806 U JPS6329806 U JP S6329806U JP 12336386 U JP12336386 U JP 12336386U JP 12336386 U JP12336386 U JP 12336386U JP S6329806 U JPS6329806 U JP S6329806U
- Authority
- JP
- Japan
- Prior art keywords
- pair
- concave mirror
- focal points
- convergent focal
- lamp
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の車輛用灯具の一実施例を示す
模式的な断面図、第２図は上記と異なる実施例の
模式的な断面図である。第３図は公知例の説明図
である。
３，３′……光源としての電源、４，４′……
レンズ、５，５′……回転放物面鏡、６……平面
鏡、７……回転楕円面鏡、ｐ―Ｐ′……回転放物
面、ｅ……回転楕円面、ｆ，ｆ′……共軛焦点。
FIG. 1 is a schematic sectional view showing one embodiment of the vehicle lamp of the present invention, and FIG. 2 is a schematic sectional view of an embodiment different from the above. FIG. 3 is an explanatory diagram of a known example. 3, 3'... Power source as a light source, 4, 4'...
Lens, 5, 5'...parabolic mirror of revolution, 6... plane mirror, 7... ellipsoidal mirror of revolution, p-P'... paraboloid of revolution, e... ellipsoid of revolution, f, f'... …Co-yoke focus.
Claims (1)
る凹面鏡を設け、かつ、上記１対の共軛焦点の何
れか一方に光源を設置した車輛用灯具において、
前記の凹面鏡は１対の共軛焦点を結ぶ線を対称軸
とする１対の回転放物面を有するものであること
を特徴とする車輛用灯具。 A vehicle lamp, in which a concave mirror having a pair of convergent focal points is provided in the lamp housing, and a light source is installed at one of the pair of convergent focal points,
A vehicular lamp characterized in that the concave mirror has a pair of paraboloids of revolution whose axis of symmetry is a line connecting a pair of conjugate foci.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12336386U JPH0247530Y2 (en) | 1986-08-13 | 1986-08-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12336386U JPH0247530Y2 (en) | 1986-08-13 | 1986-08-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6329806U true JPS6329806U (en) | 1988-02-26 |
| JPH0247530Y2 JPH0247530Y2 (en) | 1990-12-13 |
Family
ID=31014402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12336386U Expired JPH0247530Y2 (en) | 1986-08-13 | 1986-08-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247530Y2 (en) |
-
1986
- 1986-08-13 JP JP12336386U patent/JPH0247530Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0247530Y2 (en) | 1990-12-13 |