JPS61143940U - - Google Patents
Info
- Publication number
- JPS61143940U JPS61143940U JP2870185U JP2870185U JPS61143940U JP S61143940 U JPS61143940 U JP S61143940U JP 2870185 U JP2870185 U JP 2870185U JP 2870185 U JP2870185 U JP 2870185U JP S61143940 U JPS61143940 U JP S61143940U
- Authority
- JP
- Japan
- Prior art keywords
- reflecting mirror
- bulb
- concave lens
- shade
- lenses
- 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
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Description
第１図は本考案実施例に係る光学系とその配光
パターンを説明するための模式図、第２図は本案
レンズの実施の一例を示す正面図、第３図は第２
図の３―３線断面図、第４図は配光パターンを説
明するための模式図、第４図ａはその配光パター
ン、第５図は従来例を示す模式図である。
図中、１は反射鏡、２はレンズ、２ａ，２ｂ…
…２ｎは凹レンズ素子、３はバルブ、４はシエー
ド、Ｆは反射鏡の焦点位置、である。
FIG. 1 is a schematic diagram for explaining an optical system and its light distribution pattern according to an embodiment of the present invention, FIG. 2 is a front view showing an example of implementation of the lens of the present invention, and FIG.
4 is a schematic diagram for explaining the light distribution pattern, FIG. 4a is a schematic diagram showing the light distribution pattern, and FIG. 5 is a schematic diagram showing a conventional example. In the figure, 1 is a reflecting mirror, 2 is a lens, 2a, 2b...
...2n is a concave lens element, 3 is a bulb, 4 is a shade, and F is a focal position of a reflecting mirror.
Claims (1)
を備えると共に、前記反射鏡の焦点位置をバルブ
に対して光軸方向へ移動可能に構成し、前記反射
鏡の前面に、多数の凹レンズ素子を集合配列して
構成すると共に各凹レンズ素子の拡散角を中心に
位置するものから周辺に位置するものに従つて徐
々に大きく形成したレンズを設置せしめてなる事
を特徴とする自動車用読書灯。 A parabolic reflecting mirror and a shade for blocking direct light from the bulb are provided, and the focal position of the reflecting mirror is movable in the optical axis direction with respect to the bulb, and a large number of concave lens elements are provided on the front surface of the reflecting mirror. A reading light for an automobile, characterized in that lenses are arranged in a collective arrangement and are gradually enlarged according to the diffusion angle of each concave lens element from the center to the periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2870185U JPH0221317Y2 (en) | 1985-02-27 | 1985-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2870185U JPH0221317Y2 (en) | 1985-02-27 | 1985-02-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61143940U true JPS61143940U (en) | 1986-09-05 |
| JPH0221317Y2 JPH0221317Y2 (en) | 1990-06-08 |
Family
ID=30526826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2870185U Expired JPH0221317Y2 (en) | 1985-02-27 | 1985-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221317Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100990365B1 (en) | 2008-08-27 | 2010-10-29 | 쌍용자동차 주식회사 | reading lamp for automobile |
-
1985
- 1985-02-27 JP JP2870185U patent/JPH0221317Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100990365B1 (en) | 2008-08-27 | 2010-10-29 | 쌍용자동차 주식회사 | reading lamp for automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0221317Y2 (en) | 1990-06-08 |