JPS5269934U - - Google Patents
Info
- Publication number
- JPS5269934U JPS5269934U JP15693975U JP15693975U JPS5269934U JP S5269934 U JPS5269934 U JP S5269934U JP 15693975 U JP15693975 U JP 15693975U JP 15693975 U JP15693975 U JP 15693975U JP S5269934 U JPS5269934 U JP S5269934U
- 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
- Optical Elements Other Than Lenses (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1975156939U JPS5543362Y2 (en) | 1975-11-19 | 1975-11-19 | |
US05/672,930 US4083626A (en) | 1975-04-04 | 1976-04-02 | Rear projection screens |
DE19762614606 DE2614606A1 (en) | 1975-04-04 | 1976-04-05 | REAR PROJECTION SCREEN |
GB13764/76A GB1548944A (en) | 1975-04-04 | 1976-04-05 | Rear projection screens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1975156939U JPS5543362Y2 (en) | 1975-11-19 | 1975-11-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5269934U true JPS5269934U (en) | 1977-05-24 |
JPS5543362Y2 JPS5543362Y2 (en) | 1980-10-13 |
Family
ID=28636086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1975156939U Expired JPS5543362Y2 (en) | 1975-04-04 | 1975-11-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5543362Y2 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4421110Y1 (en) * | 1966-01-13 | 1969-09-08 | ||
JPS4738181U (en) * | 1971-05-21 | 1972-12-27 |
-
1975
- 1975-11-19 JP JP1975156939U patent/JPS5543362Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4421110Y1 (en) * | 1966-01-13 | 1969-09-08 | ||
JPS4738181U (en) * | 1971-05-21 | 1972-12-27 |
Also Published As
Publication number | Publication date |
---|---|
JPS5543362Y2 (en) | 1980-10-13 |