JPS6339735Y2 - - Google Patents
Info
- Publication number
- JPS6339735Y2 JPS6339735Y2 JP17889981U JP17889981U JPS6339735Y2 JP S6339735 Y2 JPS6339735 Y2 JP S6339735Y2 JP 17889981 U JP17889981 U JP 17889981U JP 17889981 U JP17889981 U JP 17889981U JP S6339735 Y2 JPS6339735 Y2 JP S6339735Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- shielding plate
- emitting element
- unit member
- large number
- 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.)
- Expired
Links
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17889981U JPS5888275U (ja) | 1981-11-30 | 1981-11-30 | 電光表示装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17889981U JPS5888275U (ja) | 1981-11-30 | 1981-11-30 | 電光表示装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5888275U JPS5888275U (ja) | 1983-06-15 |
| JPS6339735Y2 true JPS6339735Y2 (en]) | 1988-10-18 |
Family
ID=29974106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17889981U Granted JPS5888275U (ja) | 1981-11-30 | 1981-11-30 | 電光表示装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5888275U (en]) |
-
1981
- 1981-11-30 JP JP17889981U patent/JPS5888275U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5888275U (ja) | 1983-06-15 |
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