JPS6161575U - - Google Patents
Info
- Publication number
- JPS6161575U JPS6161575U JP14508384U JP14508384U JPS6161575U JP S6161575 U JPS6161575 U JP S6161575U JP 14508384 U JP14508384 U JP 14508384U JP 14508384 U JP14508384 U JP 14508384U JP S6161575 U JPS6161575 U JP S6161575U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- light
- main body
- radius
- lighting device
- 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
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図ないし第３図は本考案の一実施例を示し
、第１図は分解した斜視図、第２図は組立状態の
断面図、第３図は特性図である。第４図は本考案
の他の実施例を示す断面図である。
１…本体、２…透光板、４…反射面、９…光源
（無口金電球）、１２…主反射面、１３…副反射
面、１４…遮光板、２０…凹凸面。
1 to 3 show an embodiment of the present invention, in which FIG. 1 is an exploded perspective view, FIG. 2 is a sectional view of the assembled state, and FIG. 3 is a characteristic diagram. FIG. 4 is a sectional view showing another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Main body, 2... Translucent plate, 4... Reflective surface, 9... Light source (crystal metal bulb), 12... Main reflective surface, 13... Sub-reflective surface, 14... Light shielding plate, 20... Uneven surface.
Claims (1)
、この本体内の端部に光源を設置するとともに、
この本体の内側に上記光源からの光を透光板側に
向けて反射させる反射面を設けた表示用照明装置
において、この反射面における透光板と対向され
る底面に、上記光源を設置した端部とは反対側の
端部に向かいかつ光源から遠ざかるに従つて透光
板に近づく方向に彎曲された主反射面と、上記光
源の近傍に設けられ上記主反射面の曲率半径より
小さな曲率半径を有する副反射面を形成したこと
を特徴とする表示用照明装置。 The opening of the main body, which is open on one side, is covered with a transparent plate, and a light source is installed at the end of the main body.
In this display lighting device, the light source is installed on the bottom surface of the reflective surface facing the light-transmitting plate, in which a reflective surface is provided inside the main body to reflect light from the light source toward the light-transmitting plate. a main reflecting surface that is curved in a direction toward the end opposite to the light source and closer to the transparent plate as it moves away from the light source, and a curvature radius smaller than the radius of curvature of the main reflecting surface provided near the light source. A display lighting device characterized by forming a sub-reflection surface having a radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14508384U JPS6161575U (en) | 1984-09-26 | 1984-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14508384U JPS6161575U (en) | 1984-09-26 | 1984-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6161575U true JPS6161575U (en) | 1986-04-25 |
Family
ID=30703341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14508384U Pending JPS6161575U (en) | 1984-09-26 | 1984-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6161575U (en) |
-
1984
- 1984-09-26 JP JP14508384U patent/JPS6161575U/ja active Pending
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