JPS63200833U - - Google Patents
Info
- Publication number
- JPS63200833U JPS63200833U JP1987091750U JP9175087U JPS63200833U JP S63200833 U JPS63200833 U JP S63200833U JP 1987091750 U JP1987091750 U JP 1987091750U JP 9175087 U JP9175087 U JP 9175087U JP S63200833 U JPS63200833 U JP S63200833U
- Authority
- JP
- Japan
- Prior art keywords
- lenticular lens
- screen
- groove
- utility
- light condensing
- 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 description 5
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000031700 light absorption Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987091750U JPS63200833U (da) | 1987-06-15 | 1987-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987091750U JPS63200833U (da) | 1987-06-15 | 1987-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63200833U true JPS63200833U (da) | 1988-12-23 |
Family
ID=30952826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987091750U Pending JPS63200833U (da) | 1987-06-15 | 1987-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63200833U (da) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997017633A1 (fr) * | 1995-11-10 | 1997-05-15 | Hitachi, Ltd. | Ecran a transmission, procede de production et presentation d'images, par projection sur surface arriere, utilisant le meme ecran |
-
1987
- 1987-06-15 JP JP1987091750U patent/JPS63200833U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997017633A1 (fr) * | 1995-11-10 | 1997-05-15 | Hitachi, Ltd. | Ecran a transmission, procede de production et presentation d'images, par projection sur surface arriere, utilisant le meme ecran |