JPS49116912A - - Google Patents
Info
- Publication number
- JPS49116912A JPS49116912A JP48028117A JP2811773A JPS49116912A JP S49116912 A JPS49116912 A JP S49116912A JP 48028117 A JP48028117 A JP 48028117A JP 2811773 A JP2811773 A JP 2811773A JP S49116912 A JPS49116912 A JP S49116912A
- 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.)
- Granted
Links
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2811773A JPS5617649B2 (enExample) | 1973-03-10 | 1973-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2811773A JPS5617649B2 (enExample) | 1973-03-10 | 1973-03-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49116912A true JPS49116912A (enExample) | 1974-11-08 |
| JPS5617649B2 JPS5617649B2 (enExample) | 1981-04-23 |
Family
ID=12239850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2811773A Expired JPS5617649B2 (enExample) | 1973-03-10 | 1973-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5617649B2 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS565502A (en) * | 1979-06-26 | 1981-01-21 | Sony Corp | Optical path converting device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3463569A (en) * | 1965-10-22 | 1969-08-26 | Freen Ltd | Rear projection screen |
-
1973
- 1973-03-10 JP JP2811773A patent/JPS5617649B2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3463569A (en) * | 1965-10-22 | 1969-08-26 | Freen Ltd | Rear projection screen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS565502A (en) * | 1979-06-26 | 1981-01-21 | Sony Corp | Optical path converting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5617649B2 (enExample) | 1981-04-23 |