JPS50137639A - - Google Patents
Info
- Publication number
- JPS50137639A JPS50137639A JP4452674A JP4452674A JPS50137639A JP S50137639 A JPS50137639 A JP S50137639A JP 4452674 A JP4452674 A JP 4452674A JP 4452674 A JP4452674 A JP 4452674A JP S50137639 A JPS50137639 A JP S50137639A
- 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
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- Small-Scale Networks (AREA)
- Selective Calling Equipment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4452674A JPS50137639A (es) | 1974-04-22 | 1974-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4452674A JPS50137639A (es) | 1974-04-22 | 1974-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50137639A true JPS50137639A (es) | 1975-10-31 |
Family
ID=12693953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4452674A Pending JPS50137639A (es) | 1974-04-22 | 1974-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS50137639A (es) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52131083A (en) * | 1976-04-28 | 1977-11-02 | Japanese National Railways<Jnr> | Remote control system |
| JPS5443402A (en) * | 1977-09-13 | 1979-04-06 | Toshiba Corp | Loop-type data highway |
| JPS54104206A (en) * | 1978-02-03 | 1979-08-16 | Toshiba Corp | Data transmission system |
| JPS586637A (ja) * | 1981-07-06 | 1983-01-14 | Hitachi Ltd | ル−プ式デ−タウエイシステムの回線制御方法 |
| JPS58164352A (ja) * | 1982-03-24 | 1983-09-29 | Yokogawa Hokushin Electric Corp | ル−プ形デ−タ通信システム |
| JPS5951643A (ja) * | 1983-05-04 | 1984-03-26 | Japanese National Railways<Jnr> | 遠方制御方式 |
| JPS6290048A (ja) * | 1985-10-16 | 1987-04-24 | Hitachi Ltd | デジタル信号多重化方式 |
-
1974
- 1974-04-22 JP JP4452674A patent/JPS50137639A/ja active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52131083A (en) * | 1976-04-28 | 1977-11-02 | Japanese National Railways<Jnr> | Remote control system |
| JPS5443402A (en) * | 1977-09-13 | 1979-04-06 | Toshiba Corp | Loop-type data highway |
| JPS54104206A (en) * | 1978-02-03 | 1979-08-16 | Toshiba Corp | Data transmission system |
| JPS586637A (ja) * | 1981-07-06 | 1983-01-14 | Hitachi Ltd | ル−プ式デ−タウエイシステムの回線制御方法 |
| JPH0151221B2 (es) * | 1981-07-06 | 1989-11-02 | Hitachi Ltd | |
| JPS58164352A (ja) * | 1982-03-24 | 1983-09-29 | Yokogawa Hokushin Electric Corp | ル−プ形デ−タ通信システム |
| JPH0338784B2 (es) * | 1982-03-24 | 1991-06-11 | Yokogawa Electric Corp | |
| JPS5951643A (ja) * | 1983-05-04 | 1984-03-26 | Japanese National Railways<Jnr> | 遠方制御方式 |
| JPS6290048A (ja) * | 1985-10-16 | 1987-04-24 | Hitachi Ltd | デジタル信号多重化方式 |