JPS5274212A - Wireless spare system - Google Patents
Wireless spare systemInfo
- Publication number
- JPS5274212A JPS5274212A JP50150433A JP15043375A JPS5274212A JP S5274212 A JPS5274212 A JP S5274212A JP 50150433 A JP50150433 A JP 50150433A JP 15043375 A JP15043375 A JP 15043375A JP S5274212 A JPS5274212 A JP S5274212A
- Authority
- JP
- Japan
- Prior art keywords
- wireless
- spare system
- switching
- thru
- surely
- Prior art date
- 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
Abstract
PURPOSE: To reduce the cost required for the switching system in the intermediate repeater station, by making the switching operation at the equipment fault surely, thru the use of the line pilot signal as switching information at the receiving end station.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50150433A JPS5274212A (en) | 1975-12-17 | 1975-12-17 | Wireless spare system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50150433A JPS5274212A (en) | 1975-12-17 | 1975-12-17 | Wireless spare system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5274212A true JPS5274212A (en) | 1977-06-22 |
Family
ID=15496809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50150433A Pending JPS5274212A (en) | 1975-12-17 | 1975-12-17 | Wireless spare system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5274212A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5013123A (en) * | 1973-04-30 | 1975-02-12 |
-
1975
- 1975-12-17 JP JP50150433A patent/JPS5274212A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5013123A (en) * | 1973-04-30 | 1975-02-12 |
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