JPS6138305Y2 - - Google Patents
Info
- Publication number
- JPS6138305Y2 JPS6138305Y2 JP1981041181U JP4118181U JPS6138305Y2 JP S6138305 Y2 JPS6138305 Y2 JP S6138305Y2 JP 1981041181 U JP1981041181 U JP 1981041181U JP 4118181 U JP4118181 U JP 4118181U JP S6138305 Y2 JPS6138305 Y2 JP S6138305Y2
- Authority
- JP
- Japan
- Prior art keywords
- screen surface
- projection
- light
- overscanned
- wing portions
- 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
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981041181U JPS6138305Y2 (cs) | 1981-03-24 | 1981-03-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981041181U JPS6138305Y2 (cs) | 1981-03-24 | 1981-03-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57155878U JPS57155878U (cs) | 1982-09-30 |
| JPS6138305Y2 true JPS6138305Y2 (cs) | 1986-11-05 |
Family
ID=29838265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981041181U Expired JPS6138305Y2 (cs) | 1981-03-24 | 1981-03-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6138305Y2 (cs) |
-
1981
- 1981-03-24 JP JP1981041181U patent/JPS6138305Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57155878U (cs) | 1982-09-30 |
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