JPS646630U - - Google Patents
Info
- Publication number
- JPS646630U JPS646630U JP10087487U JP10087487U JPS646630U JP S646630 U JPS646630 U JP S646630U JP 10087487 U JP10087487 U JP 10087487U JP 10087487 U JP10087487 U JP 10087487U JP S646630 U JPS646630 U JP S646630U
- Authority
- JP
- Japan
- Prior art keywords
- lenticular lens
- condensing part
- light
- light condensing
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 230000031700 light absorption Effects 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10087487U JPS646630U (hu) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10087487U JPS646630U (hu) | 1987-06-30 | 1987-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS646630U true JPS646630U (hu) | 1989-01-13 |
Family
ID=31329348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10087487U Pending JPS646630U (hu) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS646630U (hu) |
-
1987
- 1987-06-30 JP JP10087487U patent/JPS646630U/ja active Pending