JPS562813B2 - - Google Patents
Info
- Publication number
- JPS562813B2 JPS562813B2 JP12794472A JP12794472A JPS562813B2 JP S562813 B2 JPS562813 B2 JP S562813B2 JP 12794472 A JP12794472 A JP 12794472A JP 12794472 A JP12794472 A JP 12794472A JP S562813 B2 JPS562813 B2 JP S562813B2
- 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
- Dc Digital Transmission (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12794472A JPS562813B2 (en:Method) | 1972-12-20 | 1972-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12794472A JPS562813B2 (en:Method) | 1972-12-20 | 1972-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4984513A JPS4984513A (en:Method) | 1974-08-14 |
| JPS562813B2 true JPS562813B2 (en:Method) | 1981-01-21 |
Family
ID=14972484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12794472A Expired JPS562813B2 (en:Method) | 1972-12-20 | 1972-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS562813B2 (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57155862A (en) * | 1981-03-21 | 1982-09-27 | Nec Corp | Line monitoring system |
-
1972
- 1972-12-20 JP JP12794472A patent/JPS562813B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4984513A (en:Method) | 1974-08-14 |