JPS639939Y2 - - Google Patents
Info
- Publication number
- JPS639939Y2 JPS639939Y2 JP4321383U JP4321383U JPS639939Y2 JP S639939 Y2 JPS639939 Y2 JP S639939Y2 JP 4321383 U JP4321383 U JP 4321383U JP 4321383 U JP4321383 U JP 4321383U JP S639939 Y2 JPS639939 Y2 JP S639939Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- shielding
- light shielding
- fluorescent lamp
- illumination
- 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
- 238000005286 illumination Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 208000003464 asthenopia Diseases 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4321383U JPS59148003U (ja) | 1983-03-24 | 1983-03-24 | 照明用蛍光ランプの表示面反射防止用遮光構造 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4321383U JPS59148003U (ja) | 1983-03-24 | 1983-03-24 | 照明用蛍光ランプの表示面反射防止用遮光構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59148003U JPS59148003U (ja) | 1984-10-03 |
| JPS639939Y2 true JPS639939Y2 (pm) | 1988-03-24 |
Family
ID=30173735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4321383U Granted JPS59148003U (ja) | 1983-03-24 | 1983-03-24 | 照明用蛍光ランプの表示面反射防止用遮光構造 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59148003U (pm) |
-
1983
- 1983-03-24 JP JP4321383U patent/JPS59148003U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59148003U (ja) | 1984-10-03 |
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