JPH0137054B2 - - Google Patents

Info

Publication number
JPH0137054B2
JPH0137054B2 JP58252205A JP25220583A JPH0137054B2 JP H0137054 B2 JPH0137054 B2 JP H0137054B2 JP 58252205 A JP58252205 A JP 58252205A JP 25220583 A JP25220583 A JP 25220583A JP H0137054 B2 JPH0137054 B2 JP H0137054B2
Authority
JP
Japan
Prior art keywords
test
signal
sent
central station
line
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.)
Expired
Application number
JP58252205A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60140943A (ja
Inventor
Terutoshi Furukawa
Naohisa Wake
Hiromi Wasai
Shigeru Kimura
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
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 Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP58252205A priority Critical patent/JPS60140943A/ja
Publication of JPS60140943A publication Critical patent/JPS60140943A/ja
Publication of JPH0137054B2 publication Critical patent/JPH0137054B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W99/00—Subject matter not provided for in other groups of this subclass
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
JP58252205A 1983-12-27 1983-12-27 回線監視方式 Granted JPS60140943A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58252205A JPS60140943A (ja) 1983-12-27 1983-12-27 回線監視方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58252205A JPS60140943A (ja) 1983-12-27 1983-12-27 回線監視方式

Publications (2)

Publication Number Publication Date
JPS60140943A JPS60140943A (ja) 1985-07-25
JPH0137054B2 true JPH0137054B2 (en]) 1989-08-03

Family

ID=17233959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58252205A Granted JPS60140943A (ja) 1983-12-27 1983-12-27 回線監視方式

Country Status (1)

Country Link
JP (1) JPS60140943A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2667406B2 (ja) * 1987-09-30 1997-10-27 日本電信電話株式会社 無線電話システム
JP2609660B2 (ja) * 1988-02-12 1997-05-14 日本電気株式会社 障害検出方式
JP4486619B2 (ja) * 2006-06-09 2010-06-23 株式会社エヌ・ティ・ティ・ドコモ 通信装置、通信システム、及び通信方法

Also Published As

Publication number Publication date
JPS60140943A (ja) 1985-07-25

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