JPS638018Y2 - - Google Patents
Info
- Publication number
- JPS638018Y2 JPS638018Y2 JP1982133625U JP13362582U JPS638018Y2 JP S638018 Y2 JPS638018 Y2 JP S638018Y2 JP 1982133625 U JP1982133625 U JP 1982133625U JP 13362582 U JP13362582 U JP 13362582U JP S638018 Y2 JPS638018 Y2 JP S638018Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- lighting
- diffusion panel
- ceiling
- entire
- 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
- 238000009792 diffusion process Methods 0.000 claims description 15
- 230000007423 decrease Effects 0.000 claims 1
- 238000005286 illumination Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Planar Illumination Modules (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13362582U JPS5936511U (ja) | 1982-08-31 | 1982-08-31 | 採光天井装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13362582U JPS5936511U (ja) | 1982-08-31 | 1982-08-31 | 採光天井装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5936511U JPS5936511U (ja) | 1984-03-07 |
JPS638018Y2 true JPS638018Y2 (US20110232667A1-20110929-C00004.png) | 1988-03-09 |
Family
ID=30301361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13362582U Granted JPS5936511U (ja) | 1982-08-31 | 1982-08-31 | 採光天井装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5936511U (US20110232667A1-20110929-C00004.png) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6134801A (ja) * | 1984-07-26 | 1986-02-19 | 日本板硝子株式会社 | 光ダクトの放光口構造 |
JP5588217B2 (ja) * | 2010-04-26 | 2014-09-10 | ツインバード工業株式会社 | 照明装置 |
JP6192535B2 (ja) * | 2011-04-22 | 2017-09-06 | スリーエム イノベイティブ プロパティズ カンパニー | 光ダクト及び照明装置 |
JP2020035616A (ja) * | 2018-08-29 | 2020-03-05 | 株式会社 マテリアルハウス | 放光調整部を備えた光ダクト放光部構造 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57196401A (en) * | 1981-05-28 | 1982-12-02 | Motoda Denshi Kogyo Kk | Solar beam lighting apparatus |
-
1982
- 1982-08-31 JP JP13362582U patent/JPS5936511U/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57196401A (en) * | 1981-05-28 | 1982-12-02 | Motoda Denshi Kogyo Kk | Solar beam lighting apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS5936511U (ja) | 1984-03-07 |