JPS649242U - - Google Patents
Info
- Publication number
- JPS649242U JPS649242U JP1987103254U JP10325487U JPS649242U JP S649242 U JPS649242 U JP S649242U JP 1987103254 U JP1987103254 U JP 1987103254U JP 10325487 U JP10325487 U JP 10325487U JP S649242 U JPS649242 U JP S649242U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- optical system
- projector device
- reflecting
- overhead projector
- 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 4
- 239000003086 colorant Substances 0.000 claims 1
- 230000010287 polarization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Stereoscopic And Panoramic Photography (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987103254U JPS649242U (et) | 1987-07-03 | 1987-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987103254U JPS649242U (et) | 1987-07-03 | 1987-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS649242U true JPS649242U (et) | 1989-01-18 |
Family
ID=31333916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987103254U Pending JPS649242U (et) | 1987-07-03 | 1987-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS649242U (et) |
-
1987
- 1987-07-03 JP JP1987103254U patent/JPS649242U/ja active Pending