JPS59156302U - automotive lighting - Google Patents
automotive lightingInfo
- Publication number
- JPS59156302U JPS59156302U JP5084183U JP5084183U JPS59156302U JP S59156302 U JPS59156302 U JP S59156302U JP 5084183 U JP5084183 U JP 5084183U JP 5084183 U JP5084183 U JP 5084183U JP S59156302 U JPS59156302 U JP S59156302U
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- lens
- automotive lighting
- diagram
- prism
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は回転放物面状のリフレフ多を有する従゛来の自
動車用灯具の一例の縦断面図、第2図は上記の自動車用
灯具に用いられているレンズの一例を示す拡大断面図で
ある。第3図Aは第2図のレンズによって拡散された光
の配光パターンを、同図Bは同光度分布をそれぞれ示す
図表である。第4図乃至第6図は本考案の1実施例を示
し、第4図は精肉柱状プリズムの形状の説明図、第5図
は光路図、第6図Aは配光パターンの図表、第6図Bは
光度分布の図表である。第7図および第8図は上記と異
なる実施例を示し、第7図は光路図、第8図Aは配光パ
ターンの図表、第8図Bは光度分布の図表である。
1・・・リフレクタ、2・・・光源としての電球、2a
゛・・・同フィラメント、3. 3’・・・レン
ズ、4・・・円柱プリズム、f・・・リフレクタの焦点
。
第3図
(A)Fig. 1 is a longitudinal cross-sectional view of an example of a conventional automobile lamp having a paraboloid of revolution, and Fig. 2 is an enlarged cross-sectional view showing an example of a lens used in the above-mentioned automobile lamp. It is. FIG. 3A is a chart showing the light distribution pattern of light diffused by the lens in FIG. 2, and FIG. 3B is a chart showing the same luminous intensity distribution. 4 to 6 show one embodiment of the present invention, FIG. 4 is an explanatory diagram of the shape of the meat columnar prism, FIG. 5 is an optical path diagram, FIG. 6A is a diagram of the light distribution pattern, and FIG. Figure B is a diagram of the luminous intensity distribution. 7 and 8 show an embodiment different from the above, in which FIG. 7 is an optical path diagram, FIG. 8A is a diagram of a light distribution pattern, and FIG. 8B is a diagram of a luminous intensity distribution. 1...Reflector, 2...Light bulb as a light source, 2a
゛...same filament, 3. 3'... Lens, 4... Cylindrical prism, f... Focus of reflector. Figure 3 (A)
Claims (1)
近に光源を設けるとともに、上記リフレクタの前面開口
部を覆うようにレンズを取付けた自動車用灯具において
、上記のレンズ面の少なくとも一部分に、複数個の楯円
柱状の凹面を平行に列設してなるプリズムを形成したこ
とを特徴とする自動車灯具。In an automotive lamp, a light source is provided near the focal point of a reflector having a paraboloid-shaped reflective surface, and a lens is attached to cover a front opening of the reflector, at least a portion of the lens surface, An automobile lamp characterized in that a prism is formed by arranging a plurality of shield cylindrical concave surfaces in parallel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5084183U JPS59156302U (en) | 1983-04-07 | 1983-04-07 | automotive lighting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5084183U JPS59156302U (en) | 1983-04-07 | 1983-04-07 | automotive lighting |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59156302U true JPS59156302U (en) | 1984-10-20 |
Family
ID=30181288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5084183U Pending JPS59156302U (en) | 1983-04-07 | 1983-04-07 | automotive lighting |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59156302U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6366801A (en) * | 1985-12-04 | 1988-03-25 | チザラ リヒトシステーメ ゲーエムベーハー | Lighting apparatus for vehicle |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5113027U (en) * | 1974-07-17 | 1976-01-30 | ||
JPS524849U (en) * | 1975-06-24 | 1977-01-13 |
-
1983
- 1983-04-07 JP JP5084183U patent/JPS59156302U/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5113027U (en) * | 1974-07-17 | 1976-01-30 | ||
JPS524849U (en) * | 1975-06-24 | 1977-01-13 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6366801A (en) * | 1985-12-04 | 1988-03-25 | チザラ リヒトシステーメ ゲーエムベーハー | Lighting apparatus for vehicle |
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