JPS63170838U - - Google Patents
Info
- Publication number
- JPS63170838U JPS63170838U JP1987063590U JP6359087U JPS63170838U JP S63170838 U JPS63170838 U JP S63170838U JP 1987063590 U JP1987063590 U JP 1987063590U JP 6359087 U JP6359087 U JP 6359087U JP S63170838 U JPS63170838 U JP S63170838U
- Authority
- JP
- Japan
- Prior art keywords
- lenticular lens
- convex strip
- condensing part
- external light
- ridges
- 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 1
- 230000000630 rising effect Effects 0.000 claims 1
- 230000031700 light absorption Effects 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 |
|---|---|---|---|
| JP1987063590U JPS63170838U (cs) | 1987-04-27 | 1987-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987063590U JPS63170838U (cs) | 1987-04-27 | 1987-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63170838U true JPS63170838U (cs) | 1988-11-07 |
Family
ID=30898962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987063590U Pending JPS63170838U (cs) | 1987-04-27 | 1987-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63170838U (cs) |
-
1987
- 1987-04-27 JP JP1987063590U patent/JPS63170838U/ja active Pending