JPS4849433A - - Google Patents
Info
- Publication number
- JPS4849433A JPS4849433A JP3155172A JP3155172A JPS4849433A JP S4849433 A JPS4849433 A JP S4849433A JP 3155172 A JP3155172 A JP 3155172A JP 3155172 A JP3155172 A JP 3155172A JP S4849433 A JPS4849433 A JP S4849433A
- Authority
- JP
- Japan
- 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
- Overhead Projectors And Projection Screens (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB808671 | 1971-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4849433A true JPS4849433A (ja) | 1973-07-12 |
Family
ID=9845487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3155172A Pending JPS4849433A (ja) | 1971-03-29 | 1972-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4849433A (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04156440A (ja) * | 1990-10-19 | 1992-05-28 | Toppan Printing Co Ltd | 反射型プロジェクションスクリーン |
| JP2015121692A (ja) * | 2013-12-24 | 2015-07-02 | 大日本印刷株式会社 | 反射型スクリーン、映像表示システム |
-
1972
- 1972-03-29 JP JP3155172A patent/JPS4849433A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04156440A (ja) * | 1990-10-19 | 1992-05-28 | Toppan Printing Co Ltd | 反射型プロジェクションスクリーン |
| JP2015121692A (ja) * | 2013-12-24 | 2015-07-02 | 大日本印刷株式会社 | 反射型スクリーン、映像表示システム |