JPS5617649B2 - - Google Patents
Info
- Publication number
- JPS5617649B2 JPS5617649B2 JP2811773A JP2811773A JPS5617649B2 JP S5617649 B2 JPS5617649 B2 JP S5617649B2 JP 2811773 A JP2811773 A JP 2811773A JP 2811773 A JP2811773 A JP 2811773A JP S5617649 B2 JPS5617649 B2 JP S5617649B2
- 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 |
---|---|---|---|
JP2811773A JPS5617649B2 (en) | 1973-03-10 | 1973-03-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2811773A JPS5617649B2 (en) | 1973-03-10 | 1973-03-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS49116912A JPS49116912A (en) | 1974-11-08 |
JPS5617649B2 true JPS5617649B2 (en) | 1981-04-23 |
Family
ID=12239850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2811773A Expired JPS5617649B2 (en) | 1973-03-10 | 1973-03-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5617649B2 (en) |
Families Citing this family (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 |
Also Published As
Publication number | Publication date |
---|---|
JPS49116912A (en) | 1974-11-08 |