JPH0470642U - - Google Patents
Info
- Publication number
- JPH0470642U JPH0470642U JP11360490U JP11360490U JPH0470642U JP H0470642 U JPH0470642 U JP H0470642U JP 11360490 U JP11360490 U JP 11360490U JP 11360490 U JP11360490 U JP 11360490U JP H0470642 U JPH0470642 U JP H0470642U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- light source
- light
- projection device
- projection
- 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 description 3
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11360490U JPH0470642U (zh) | 1990-10-30 | 1990-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11360490U JPH0470642U (zh) | 1990-10-30 | 1990-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0470642U true JPH0470642U (zh) | 1992-06-23 |
Family
ID=31861211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11360490U Pending JPH0470642U (zh) | 1990-10-30 | 1990-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0470642U (zh) |
-
1990
- 1990-10-30 JP JP11360490U patent/JPH0470642U/ja active Pending