JPS4879507A - - Google Patents
Info
- Publication number
- JPS4879507A JPS4879507A JP47009225A JP922572A JPS4879507A JP S4879507 A JPS4879507 A JP S4879507A JP 47009225 A JP47009225 A JP 47009225A JP 922572 A JP922572 A JP 922572A JP S4879507 A JPS4879507 A JP S4879507A
- 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
- Exchange Systems With Centralized Control (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Small-Scale Networks (AREA)
- Selective Calling Equipment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP922572A JPS5443321B2 (zh) | 1972-01-25 | 1972-01-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP922572A JPS5443321B2 (zh) | 1972-01-25 | 1972-01-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4879507A true JPS4879507A (zh) | 1973-10-25 |
| JPS5443321B2 JPS5443321B2 (zh) | 1979-12-19 |
Family
ID=11714464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP922572A Expired JPS5443321B2 (zh) | 1972-01-25 | 1972-01-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5443321B2 (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5646348A (en) * | 1979-09-21 | 1981-04-27 | Hitachi Ltd | Loop transmission system |
| JPS59500841A (ja) * | 1982-05-07 | 1984-05-10 | テレフオンアクチ−ボラゲツト エル エム エリクソン | ディジタル通信システム |
-
1972
- 1972-01-25 JP JP922572A patent/JPS5443321B2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5646348A (en) * | 1979-09-21 | 1981-04-27 | Hitachi Ltd | Loop transmission system |
| JPS5811783B2 (ja) * | 1979-09-21 | 1983-03-04 | 株式会社日立製作所 | ル−プ伝送システム |
| JPS59500841A (ja) * | 1982-05-07 | 1984-05-10 | テレフオンアクチ−ボラゲツト エル エム エリクソン | ディジタル通信システム |
| JPH0432577B2 (zh) * | 1982-05-07 | 1992-05-29 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5443321B2 (zh) | 1979-12-19 |