JPS49112506A - - Google Patents
Info
- Publication number
- JPS49112506A JPS49112506A JP2251273A JP2251273A JPS49112506A JP S49112506 A JPS49112506 A JP S49112506A JP 2251273 A JP2251273 A JP 2251273A JP 2251273 A JP2251273 A JP 2251273A JP S49112506 A JPS49112506 A JP S49112506A
- 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
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Noise Elimination (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2251273A JPS49112506A (ja) | 1973-02-23 | 1973-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2251273A JPS49112506A (ja) | 1973-02-23 | 1973-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS49112506A true JPS49112506A (ja) | 1974-10-26 |
Family
ID=12084801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2251273A Pending JPS49112506A (ja) | 1973-02-23 | 1973-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS49112506A (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5480610A (en) * | 1977-12-09 | 1979-06-27 | Ikegami Tsushinki Kk | Data transmitting method using commercial power supply wires |
| JPS5927659A (ja) * | 1982-08-05 | 1984-02-14 | Maspro Denkoh Corp | インタ−ホン装置 |
| JPH0313047A (ja) * | 1989-06-09 | 1991-01-22 | Mitsubishi Electric Corp | 有線ページングシステムおよびこのシステムに用いる端末装置 |
-
1973
- 1973-02-23 JP JP2251273A patent/JPS49112506A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5480610A (en) * | 1977-12-09 | 1979-06-27 | Ikegami Tsushinki Kk | Data transmitting method using commercial power supply wires |
| JPS5927659A (ja) * | 1982-08-05 | 1984-02-14 | Maspro Denkoh Corp | インタ−ホン装置 |
| JPH0313047A (ja) * | 1989-06-09 | 1991-01-22 | Mitsubishi Electric Corp | 有線ページングシステムおよびこのシステムに用いる端末装置 |