JPH03116508U - - Google Patents
Info
- Publication number
- JPH03116508U JPH03116508U JP2375990U JP2375990U JPH03116508U JP H03116508 U JPH03116508 U JP H03116508U JP 2375990 U JP2375990 U JP 2375990U JP 2375990 U JP2375990 U JP 2375990U JP H03116508 U JPH03116508 U JP H03116508U
- Authority
- JP
- Japan
- Prior art keywords
- concave cylindrical
- cylindrical surface
- conical surface
- concave
- light source
- 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
- 230000003287 optical effect Effects 0.000 claims 1
Description
第1図は本考案に係る車両用灯具の一実施例を
示し、第1図Aは正面図、第1図Bは断面図であ
る。第2図ないし第4図はそれぞれ上記実施例に
おける部分的断面図である。第5図は従来例の車
両用灯具を示し、同図Aは正面図、同図Bは断面
図である。
1……ランプハウジング、2……アウタレンズ
、3……従来例のインナレンズ、4……光源バル
ブ、5……ソケツト、6……アウタレンズ、7…
…本考案の一実施例のインナレンズ、7−1……
円柱面、7−2……屈折系フレネルプリズム、7
−3……反射フレネル素子、7−4……反射フレ
ネル素子、7−5……インナレンズ前面。
FIG. 1 shows an embodiment of a vehicle lamp according to the present invention, in which FIG. 1A is a front view and FIG. 1B is a sectional view. 2 to 4 are partial cross-sectional views of the above embodiment, respectively. FIG. 5 shows a conventional vehicle lamp, in which FIG. 5A is a front view and FIG. 5B is a sectional view. DESCRIPTION OF SYMBOLS 1... Lamp housing, 2... Outer lens, 3... Conventional inner lens, 4... Light source bulb, 5... Socket, 6... Outer lens, 7...
...Inner lens of one embodiment of the present invention, 7-1 ...
Cylindrical surface, 7 -2 ... Refractive Fresnel prism, 7
-3 ...Reflective Fresnel element, 7 -4 ...Reflective Fresnel element, 7 -5 ...Inner lens front surface.
Claims (1)
レンズを固着するとともに、該ランプハウジング
とアウタレンズとによつて囲まれた空間内に光源
バルブを配設し、かつ、上記アウタレンズと光源
バルブとの間にインナレンズを配設した車両用灯
具において、 上記インナレンズは、 光源バルブの周囲を取り囲む凹形の円柱面ない
し凹形の円錐面と、 上記凹形円柱面ないし凹形円錐面に囲まれた区
域に設けられた屈折系フレネルプリズムと、 上記凹形円柱面ないし円錐面の外側に設けられ
て、該凹形円柱面ないし円錐面を通過した光束を
光軸と平行に反射させる反射フレネル素子と、 上記反射フレネル素子よりも更に外周部に設け
られて、前記凹形円柱面ないし円錐面を通過して
該インナレンズの前面で全反射した光束を灯具前
方に向けて反射する反射フレネル素子と、 を具備していることを特徴とする車両用灯具。[Claims for Utility Model Registration] An outer lens is fixed to cover the front opening of the lamp housing, and a light source bulb is disposed in a space surrounded by the lamp housing and the outer lens, and the outer lens and In a vehicle lamp having an inner lens disposed between the light source bulb, the inner lens includes a concave cylindrical surface or a concave conical surface surrounding the light source bulb, and a concave cylindrical surface or concave conical surface. a refractive Fresnel prism provided in an area surrounded by the surface; and a refractive Fresnel prism provided outside the concave cylindrical surface or conical surface to reflect the light beam that has passed through the concave cylindrical surface or conical surface in parallel to the optical axis. a reflective Fresnel element, which is provided further on the outer periphery than the reflective Fresnel element, and reflects the light beam that passes through the concave cylindrical surface or conical surface and is totally reflected at the front surface of the inner lens toward the front of the lamp. A vehicle lamp comprising: a reflective Fresnel element;
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2375990U JPH03116508U (en) | 1990-03-12 | 1990-03-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2375990U JPH03116508U (en) | 1990-03-12 | 1990-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03116508U true JPH03116508U (en) | 1991-12-03 |
Family
ID=31526741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2375990U Pending JPH03116508U (en) | 1990-03-12 | 1990-03-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03116508U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012073545A (en) * | 2010-09-29 | 2012-04-12 | Citizen Electronics Co Ltd | Lens member and optical unit |
-
1990
- 1990-03-12 JP JP2375990U patent/JPH03116508U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012073545A (en) * | 2010-09-29 | 2012-04-12 | Citizen Electronics Co Ltd | Lens member and optical unit |
US8851713B2 (en) | 2010-09-29 | 2014-10-07 | Citizen Electronics Co., Ltd. | Lens member and optical unit using said lens member |
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