JPS5845582U - Lighting equipment for display boards - Google Patents
Lighting equipment for display boardsInfo
- Publication number
- JPS5845582U JPS5845582U JP13926881U JP13926881U JPS5845582U JP S5845582 U JPS5845582 U JP S5845582U JP 13926881 U JP13926881 U JP 13926881U JP 13926881 U JP13926881 U JP 13926881U JP S5845582 U JPS5845582 U JP S5845582U
- Authority
- JP
- Japan
- Prior art keywords
- display
- display board
- illumination lamp
- display surface
- board
- 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
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
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
図面は本考案に係る表示板用照明器具の実施の態様を例
示し、第１図は表示板に対する照明灯位置を示す断面図
、第２図は全体の外観図、第３図は反射鏡を示す断面図
、第４図は反射鏡形状の決定方法を示す説明図、第５図
は設計された反射鏡形状を示す断面図、第６図は第５図
の反射鏡による表示板の明るさを示すグラフ、第７図は
第２図、第３図のものの表示板の明るさを示すグラフで
ある。
１・・・・・・表示板、１ａ・・・・・・表示面、２・
・・・・・照明灯、３・・・・・・反射鏡、３ａ・・・
・・・反射面、４・・・・・・減光板。
第４図
第５図The drawings illustrate embodiments of the lighting fixture for display boards according to the present invention, with Fig. 1 being a cross-sectional view showing the position of the illumination light with respect to the display board, Fig. 2 being an overall external view, and Fig. 3 showing the reflector. 4 is an explanatory diagram showing the method for determining the reflector shape, FIG. 5 is a sectional view showing the designed reflector shape, and FIG. 6 is the brightness of the display board due to the reflector shown in FIG. FIG. 7 is a graph showing the brightness of the display boards of FIGS. 2 and 3. 1... Display board, 1a... Display surface, 2.
...Illuminating light, 3...Reflector, 3a...
...Reflecting surface, 4...Dimmer plate. Figure 4 Figure 5
Claims (1)
前方下方位置に、前記表示板１の表示面１ａに対して平
行又はほぼ平行姿勢で蛍光灯などの管状照明灯２を表示
板１との相対位置固定状態に設け、この管状照明灯２上
方部又は下方部に前記表示面１ａに向かって反射光を照
射する反射鏡３を照明灯２に対し位置固定状態に配置し
、この反射鏡３の反射面３ａを、反射光の全て又は大部
分が前記表示面１ａの下部又は上部に照射されるよう曲
面に構成しである表示板用照明器具において、前記照明
灯２から前記表示板１表示面１ａの上部又は下部に向か
う光路部に減光板４を付設しである事を特徴とする表示
板用照明器具。A tubular illumination lamp 2 such as a fluorescent lamp is mounted on the display board 1 at a position above or below the front of the display surface 1a of the display board 1, such as a blackboard or a bulletin board, in a parallel or almost parallel attitude to the display surface 1a of the display board 1. A reflecting mirror 3 for irradiating reflected light toward the display surface 1a above or below the tubular illumination lamp 2 is disposed in a fixed position relative to the illumination lamp 2, In a lighting fixture for a display board, in which the reflective surface 3a of the mirror 3 is configured to be a curved surface so that all or most of the reflected light is irradiated onto the lower or upper part of the display surface 1a, from the illumination lamp 2 to the display board 1. A lighting fixture for a display board, characterized in that a light-attenuating plate 4 is attached to the optical path section toward the upper or lower part of the display surface 1a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13926881U JPS5845582U (en) | 1981-09-19 | 1981-09-19 | Lighting equipment for display boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13926881U JPS5845582U (en) | 1981-09-19 | 1981-09-19 | Lighting equipment for display boards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5845582U true JPS5845582U (en) | 1983-03-26 |
Family
ID=29932465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13926881U Pending JPS5845582U (en) | 1981-09-19 | 1981-09-19 | Lighting equipment for display boards |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5845582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61234729A (en) * | 1985-04-10 | 1986-10-20 | 株式会社大和製作所 | Apparatus for continuous production of noodle dough |
-
1981
- 1981-09-19 JP JP13926881U patent/JPS5845582U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61234729A (en) * | 1985-04-10 | 1986-10-20 | 株式会社大和製作所 | Apparatus for continuous production of noodle dough |
| JPH0767361B2 (en) * | 1985-04-10 | 1995-07-26 | 株式会社大和製作所 | Noodle dough continuous production equipment |
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