JPS642239U - - Google Patents
Info
- Publication number
- JPS642239U JPS642239U JP9603287U JP9603287U JPS642239U JP S642239 U JPS642239 U JP S642239U JP 9603287 U JP9603287 U JP 9603287U JP 9603287 U JP9603287 U JP 9603287U JP S642239 U JPS642239 U JP S642239U
- Authority
- JP
- Japan
- Prior art keywords
- light condensing
- condensing part
- lenticular lens
- transmissive screen
- incident side
- 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
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000463 material Substances 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 |
|---|---|---|---|
| JP9603287U JPS642239U (cs) | 1987-06-24 | 1987-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9603287U JPS642239U (cs) | 1987-06-24 | 1987-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS642239U true JPS642239U (cs) | 1989-01-09 |
Family
ID=30961318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9603287U Pending JPS642239U (cs) | 1987-06-24 | 1987-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS642239U (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010020038A (ko) * | 1999-08-31 | 2001-03-15 | 구자홍 | 후면투사 스크린 |
-
1987
- 1987-06-24 JP JP9603287U patent/JPS642239U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010020038A (ko) * | 1999-08-31 | 2001-03-15 | 구자홍 | 후면투사 스크린 |