JPS555905B2 - - Google Patents
Info
- Publication number
- JPS555905B2 JPS555905B2 JP2906174A JP2906174A JPS555905B2 JP S555905 B2 JPS555905 B2 JP S555905B2 JP 2906174 A JP2906174 A JP 2906174A JP 2906174 A JP2906174 A JP 2906174A JP S555905 B2 JPS555905 B2 JP S555905B2
- 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
- Small-Scale Networks (AREA)
- Dc Digital Transmission (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Bidirectional Digital Transmission (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2906174A JPS555905B2 (https=) | 1974-03-15 | 1974-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2906174A JPS555905B2 (https=) | 1974-03-15 | 1974-03-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50122804A JPS50122804A (https=) | 1975-09-26 |
| JPS555905B2 true JPS555905B2 (https=) | 1980-02-12 |
Family
ID=12265840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2906174A Expired JPS555905B2 (https=) | 1974-03-15 | 1974-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS555905B2 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50155114A (https=) * | 1974-06-03 | 1975-12-15 | ||
| JPS51147206A (en) * | 1975-06-13 | 1976-12-17 | Yokogawa Hokushin Electric Corp | Data communication system employing photocoupler |
| JPS5347712A (en) * | 1976-10-14 | 1978-04-28 | Nippon Esu Efu Kk | Signal transmission line using photo coupler |
| US4326287A (en) * | 1980-06-30 | 1982-04-20 | International Business Machines Corp. | Two wire bi-directional digital telephone link |
| JPS5792951A (en) * | 1980-12-02 | 1982-06-09 | Tokyo Electric Power Co Inc:The | Signal transmission system |
| JPS60251739A (ja) * | 1984-05-29 | 1985-12-12 | Tabai Esupetsuku Kk | 信号伝送方法及び装置 |
-
1974
- 1974-03-15 JP JP2906174A patent/JPS555905B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50122804A (https=) | 1975-09-26 |