JPS60145502U - automotive headlights - Google Patents
automotive headlightsInfo
- Publication number
- JPS60145502U JPS60145502U JP3061284U JP3061284U JPS60145502U JP S60145502 U JPS60145502 U JP S60145502U JP 3061284 U JP3061284 U JP 3061284U JP 3061284 U JP3061284 U JP 3061284U JP S60145502 U JPS60145502 U JP S60145502U
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- length
- filament
- automotive headlights
- sub
- 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
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図は従来のＣ−６タイプ光源バルブを用いた自動車
用前照灯の１例の断面図、第２図は第１図のＡ矢視図を
示し、右側通行用のバルブを描いである。第３図は第２
図と類似の従来例で左側通行用のバルブを描いである。
第４図は前記と異なる従来例の断面を模式化して描いた
説明図、第５図は第４図のＡ矢視図で前記従来例におけ
る第２図に対応する図、第６図は同じく第３図に対応す
る図である。第７図は従来の前照灯の１例におけるレン
ズの正面図、第８図は同従来例におけるサブフィラメン
トの光の配光パターンを示す図表、第９図は同じくレン
ズを取り外した状態における反射光の配光パターンを示
す図表である。第１０図は本考案の第１の実施例におい
てレンズを取り外した状態の反射光の配光パターンを示
す図表、第１１図は本考案の第２の実施例におけるリフ
レクタの正面図、第１２図は第１１図のｘｎ−ｘｎ断面
図である。
１・・・ランプハウジング、１１．１１’・・・リフレ
クタ、２・・・レンズ、３・・・光源バルブ、３１・・
・メーンフィラメント、３２・・・サブフィラメント、
３３・・・遮光板、Ｆ２６・・・焦点距離２６咽の回転
放物面、Ｆ４５．Ｆ４５’・・・焦点距離４５ｍｍの回
転放物面、ｆ・・・焦点。
□
■才七柵→＋
ト←ト上十斗（へ）−一
□
； −Figure 1 is a sectional view of an example of an automobile headlamp using a conventional C-6 type light source bulb, and Figure 2 is a view taken in the direction of arrow A in Figure 1, with a bulb for driving on the right side drawn. be. Figure 3 is the second
This figure depicts a valve for left-hand traffic in a conventional example similar to the figure. FIG. 4 is an explanatory diagram schematically depicting a cross section of a conventional example different from the above, FIG. FIG. 4 is a diagram corresponding to FIG. 3; Figure 7 is a front view of a lens in an example of a conventional headlamp, Figure 8 is a chart showing the light distribution pattern of the subfilament in the same conventional example, and Figure 9 is the reflection when the lens is removed. It is a chart showing a light distribution pattern of light. Fig. 10 is a chart showing the light distribution pattern of reflected light in the first embodiment of the present invention with the lens removed, Fig. 11 is a front view of the reflector in the second embodiment of the present invention, and Fig. 12 is a sectional view taken along the line xn-xn in FIG. 11. DESCRIPTION OF SYMBOLS 1...Lamp housing, 11.11'...Reflector, 2...Lens, 3...Light source bulb, 31...
・Main filament, 32... Sub filament,
33... Light shielding plate, F26... Paraboloid of rotation with a focal length of 26 degrees, F45. F45'...paraboloid of revolution with a focal length of 45 mm, f...focal point. □ ■Saishichisen→＋ ト←ト上十斗(he)−1□; −
Claims (1)
フィラメントを該リフレクタの焦点よりも上方にかつ焦
点よりも側方に偏らせて設置した自動車用前照灯におい
て、前記サブフィラメントの長さを１とし、前記リフレ
クタは焦点距離ＦがＦ≧８１なる回転放物面状の曲面を
有するものであることを特徴とする自動車用前照灯。In an automobile headlamp in which a sub-filament having a length in a direction substantially perpendicular to the optical axis of a reflector is installed above a focal point of the reflector and biased to the side of the focal point, the length of the sub-filament is 1, and the reflector has a curved surface in the form of a paraboloid of revolution with a focal length F of F≧81.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3061284U JPS60145502U (en) | 1984-03-05 | 1984-03-05 | automotive headlights |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3061284U JPS60145502U (en) | 1984-03-05 | 1984-03-05 | automotive headlights |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60145502U true JPS60145502U (en) | 1985-09-27 |
| JPH0130721Y2 JPH0130721Y2 (en) | 1989-09-20 |
Family
ID=30530465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3061284U Granted JPS60145502U (en) | 1984-03-05 | 1984-03-05 | automotive headlights |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60145502U (en) |
-
1984
- 1984-03-05 JP JP3061284U patent/JPS60145502U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0130721Y2 (en) | 1989-09-20 |
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