JPS5331017B2 - - Google Patents
Info
- Publication number
- JPS5331017B2 JPS5331017B2 JP4200474A JP4200474A JPS5331017B2 JP S5331017 B2 JPS5331017 B2 JP S5331017B2 JP 4200474 A JP4200474 A JP 4200474A JP 4200474 A JP4200474 A JP 4200474A JP S5331017 B2 JPS5331017 B2 JP S5331017B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4200474A JPS5331017B2 (en) | 1974-04-15 | 1974-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4200474A JPS5331017B2 (en) | 1974-04-15 | 1974-04-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50136028A JPS50136028A (en) | 1975-10-28 |
| JPS5331017B2 true JPS5331017B2 (en) | 1978-08-30 |
Family
ID=12624035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4200474A Expired JPS5331017B2 (en) | 1974-04-15 | 1974-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5331017B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5753703A (en) * | 1980-09-16 | 1982-03-30 | Keiji Iimura | Light-beam direction control plate and method and device for manufacturing it |
| DK0770902T3 (en) | 1995-10-25 | 2004-01-05 | Toppan Printing Co Ltd | Lens-shaped sheet, rear projection screen or television using the same |
-
1974
- 1974-04-15 JP JP4200474A patent/JPS5331017B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50136028A (en) | 1975-10-28 |