JPS536849A - System for monitoring defectiveness in line - Google Patents

System for monitoring defectiveness in line

Info

Publication number
JPS536849A
JPS536849A JP8214976A JP8214976A JPS536849A JP S536849 A JPS536849 A JP S536849A JP 8214976 A JP8214976 A JP 8214976A JP 8214976 A JP8214976 A JP 8214976A JP S536849 A JPS536849 A JP S536849A
Authority
JP
Japan
Prior art keywords
line
defectiveness
monitoring
intermittent
providing
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
JP8214976A
Other languages
Japanese (ja)
Inventor
Tadao Morita
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP8214976A priority Critical patent/JPS536849A/en
Publication of JPS536849A publication Critical patent/JPS536849A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To simplify the construction of parent station and intermittent stations by providing pilot signals directly over the line being monitored and providing a frequency by a single oscillator as the pilot signal frequency for each intermittent station.
COPYRIGHT: (C)1978,JPO&Japio
JP8214976A 1976-07-09 1976-07-09 System for monitoring defectiveness in line Pending JPS536849A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8214976A JPS536849A (en) 1976-07-09 1976-07-09 System for monitoring defectiveness in line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8214976A JPS536849A (en) 1976-07-09 1976-07-09 System for monitoring defectiveness in line

Publications (1)

Publication Number Publication Date
JPS536849A true JPS536849A (en) 1978-01-21

Family

ID=13766371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8214976A Pending JPS536849A (en) 1976-07-09 1976-07-09 System for monitoring defectiveness in line

Country Status (1)

Country Link
JP (1) JPS536849A (en)

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