JPS63170835U - - Google Patents
Info
- Publication number
- JPS63170835U JPS63170835U JP1987064856U JP6485687U JPS63170835U JP S63170835 U JPS63170835 U JP S63170835U JP 1987064856 U JP1987064856 U JP 1987064856U JP 6485687 U JP6485687 U JP 6485687U JP S63170835 U JPS63170835 U JP S63170835U
- Authority
- JP
- Japan
- Prior art keywords
- fresnel lens
- screen
- entire screen
- driving
- movably
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987064856U JPS63170835U (cs) | 1987-04-27 | 1987-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987064856U JPS63170835U (cs) | 1987-04-27 | 1987-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63170835U true JPS63170835U (cs) | 1988-11-07 |
Family
ID=30901396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987064856U Pending JPS63170835U (cs) | 1987-04-27 | 1987-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63170835U (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04130879A (ja) * | 1990-09-21 | 1992-05-01 | Fujitsu General Ltd | 画像表示用スクリーン装置 |
-
1987
- 1987-04-27 JP JP1987064856U patent/JPS63170835U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04130879A (ja) * | 1990-09-21 | 1992-05-01 | Fujitsu General Ltd | 画像表示用スクリーン装置 |