JPS51140422A - System for monitoring repeating line - Google Patents

System for monitoring repeating line

Info

Publication number
JPS51140422A
JPS51140422A JP6427475A JP6427475A JPS51140422A JP S51140422 A JPS51140422 A JP S51140422A JP 6427475 A JP6427475 A JP 6427475A JP 6427475 A JP6427475 A JP 6427475A JP S51140422 A JPS51140422 A JP S51140422A
Authority
JP
Japan
Prior art keywords
monitoring
repeating line
repeating
line
monitor
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
JP6427475A
Other languages
Japanese (ja)
Inventor
Seiji Kinoshita
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6427475A priority Critical patent/JPS51140422A/en
Publication of JPS51140422A publication Critical patent/JPS51140422A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

PURPOSE:To monitor a repeating line with only simple counting circuit.
JP6427475A 1975-05-30 1975-05-30 System for monitoring repeating line Pending JPS51140422A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6427475A JPS51140422A (en) 1975-05-30 1975-05-30 System for monitoring repeating line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6427475A JPS51140422A (en) 1975-05-30 1975-05-30 System for monitoring repeating line

Publications (1)

Publication Number Publication Date
JPS51140422A true JPS51140422A (en) 1976-12-03

Family

ID=13253463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6427475A Pending JPS51140422A (en) 1975-05-30 1975-05-30 System for monitoring repeating line

Country Status (1)

Country Link
JP (1) JPS51140422A (en)

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