JPS6428068U - - Google Patents
Info
- Publication number
- JPS6428068U JPS6428068U JP12187987U JP12187987U JPS6428068U JP S6428068 U JPS6428068 U JP S6428068U JP 12187987 U JP12187987 U JP 12187987U JP 12187987 U JP12187987 U JP 12187987U JP S6428068 U JPS6428068 U JP S6428068U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- enlarges
- projects
- movable
- utility
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram 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 |
|---|---|---|---|
| JP12187987U JPS6428068U (es) | 1987-08-06 | 1987-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12187987U JPS6428068U (es) | 1987-08-06 | 1987-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6428068U true JPS6428068U (es) | 1989-02-17 |
Family
ID=31369292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12187987U Pending JPS6428068U (es) | 1987-08-06 | 1987-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6428068U (es) |
-
1987
- 1987-08-06 JP JP12187987U patent/JPS6428068U/ja active Pending