JPH02100281U - - Google Patents
Info
- Publication number
- JPH02100281U JPH02100281U JP948889U JP948889U JPH02100281U JP H02100281 U JPH02100281 U JP H02100281U JP 948889 U JP948889 U JP 948889U JP 948889 U JP948889 U JP 948889U JP H02100281 U JPH02100281 U JP H02100281U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- reflecting plate
- light
- lighting device
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図はこの考案の一実施例を示す平面図、第
２図は第１図の―線に沿う断面図、第３図は
第１の反射板の他の例を示す断面図、第４図ａ，
ｂは第２の反射板のそれぞれ相異なる他の例を示
す断面図、第５図はこの考案の他の実施例を示す
平面図、第６図は点光源からそれぞれ異なる距離
に配設された被照射面を示す説明図、第７図はそ
れぞれ異なる距離に配設された被照射面の照度を
示す線図である。
１，１１，３１……第１の反射板、１ａ，１１
ａ，３１ａ……開口部、２，３２……光源、３，
１３，２３，３３……第２の反射板、４……拡散
板、５……被照射面、
FIG. 1 is a plan view showing one embodiment of the invention, FIG. 2 is a sectional view taken along the line - in FIG. 1, FIG. 3 is a sectional view showing another example of the first reflector, and FIG. Figure a,
b is a cross-sectional view showing different examples of the second reflector, FIG. 5 is a plan view showing another embodiment of this invention, and FIG. 6 is a cross-sectional view showing different examples of the second reflector, and FIG. An explanatory diagram showing the irradiated surface, FIG. 7 is a diagram showing the illuminance of the irradiated surfaces arranged at different distances. 1, 11, 31...first reflecting plate, 1a, 11
a, 31a... opening, 2, 32... light source, 3,
13, 23, 33... Second reflecting plate, 4... Diffusion plate, 5... Irradiated surface,
Claims (1)
称位置に光源を配設した第１の反射板と、該第１
の反射板からの反射光と前記光源からの直射光と
を前記開口部の方向へ反射させる第２の反射板と
、該第２の反射板で反射し前記開口部を通過した
反射光を受光する拡散板とからなることを特徴と
する照明装置。 ２ 光源が直線状である請求項１記載の照明装置
。 ３ 光源がリング状である請求項１記載の照明装
置。[Claims for Utility Model Registration] 1. A first reflecting plate having an opening in the center and having light sources disposed at substantially symmetrical positions with respect to the opening;
a second reflecting plate that reflects the reflected light from the reflecting plate and the direct light from the light source in the direction of the opening; and receiving the reflected light that is reflected by the second reflecting plate and passes through the opening. A lighting device comprising a diffuser plate. 2. The lighting device according to claim 1, wherein the light source is linear. 3. The lighting device according to claim 1, wherein the light source is ring-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP948889U JPH02100281U (en) | 1989-01-30 | 1989-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP948889U JPH02100281U (en) | 1989-01-30 | 1989-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02100281U true JPH02100281U (en) | 1990-08-09 |
Family
ID=31216272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP948889U Pending JPH02100281U (en) | 1989-01-30 | 1989-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02100281U (en) |
-
1989
- 1989-01-30 JP JP948889U patent/JPH02100281U/ja active Pending