JPS4989524A - - Google Patents
Info
- Publication number
- JPS4989524A JPS4989524A JP72773A JP72773A JPS4989524A JP S4989524 A JPS4989524 A JP S4989524A JP 72773 A JP72773 A JP 72773A JP 72773 A JP72773 A JP 72773A JP S4989524 A JPS4989524 A JP S4989524A
- 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.)
- Pending
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP72773A JPS4989524A (show.php) | 1972-12-26 | 1972-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP72773A JPS4989524A (show.php) | 1972-12-26 | 1972-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4989524A true JPS4989524A (show.php) | 1974-08-27 |
Family
ID=11481755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP72773A Pending JPS4989524A (show.php) | 1972-12-26 | 1972-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4989524A (show.php) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2792746A (en) * | 1953-08-03 | 1957-05-21 | American Optical Corp | Wide angle picture projection optical systems and screen apparatus |
| US3238909A (en) * | 1964-06-15 | 1966-03-08 | Reynolds Metals Co | Distortion correction system |
-
1972
- 1972-12-26 JP JP72773A patent/JPS4989524A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2792746A (en) * | 1953-08-03 | 1957-05-21 | American Optical Corp | Wide angle picture projection optical systems and screen apparatus |
| US3238909A (en) * | 1964-06-15 | 1966-03-08 | Reynolds Metals Co | Distortion correction system |