JPS5274212A - Wireless spare system - Google Patents

Wireless spare system

Info

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
Application number
JP50150433A
Other languages
Japanese (ja)
Inventor
Yoshimi Tagashira
Seijiro Yokoyama
Akira Hosoda
Akira Hashimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Nippon Telegraph and Telephone Corp
Original Assignee
NEC Corp
Nippon Telegraph and Telephone Corp
Nippon Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp, Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP50150433A priority Critical patent/JPS5274212A/en
Publication of JPS5274212A publication Critical patent/JPS5274212A/en
Pending legal-status Critical Current

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
JP50150433A 1975-12-17 1975-12-17 Wireless spare system Pending JPS5274212A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5013123A (en) * 1973-04-30 1975-02-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5013123A (en) * 1973-04-30 1975-02-12

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