JPS5374259A - Indicating line monitor - Google Patents

Indicating line monitor

Info

Publication number
JPS5374259A
JPS5374259A JP14936876A JP14936876A JPS5374259A JP S5374259 A JPS5374259 A JP S5374259A JP 14936876 A JP14936876 A JP 14936876A JP 14936876 A JP14936876 A JP 14936876A JP S5374259 A JPS5374259 A JP S5374259A
Authority
JP
Japan
Prior art keywords
indicating line
line monitor
indicating
current
power cable
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
JP14936876A
Other languages
Japanese (ja)
Inventor
Michiharu Abe
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14936876A priority Critical patent/JPS5374259A/en
Publication of JPS5374259A publication Critical patent/JPS5374259A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: In order to suppress voltage induced in indicating line from such as power cable, to install insulated transformer in indicating line thus to enable direct monitoring of indicating line by DC current.
COPYRIGHT: (C)1978,JPO&Japio
JP14936876A 1976-12-14 1976-12-14 Indicating line monitor Pending JPS5374259A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14936876A JPS5374259A (en) 1976-12-14 1976-12-14 Indicating line monitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14936876A JPS5374259A (en) 1976-12-14 1976-12-14 Indicating line monitor

Publications (1)

Publication Number Publication Date
JPS5374259A true JPS5374259A (en) 1978-07-01

Family

ID=15473601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14936876A Pending JPS5374259A (en) 1976-12-14 1976-12-14 Indicating line monitor

Country Status (1)

Country Link
JP (1) JPS5374259A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4719530A (en) * 1982-03-22 1988-01-12 Guy Berdanos Lightning protection system for a remote control circuit utilizing an isolation transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4719530A (en) * 1982-03-22 1988-01-12 Guy Berdanos Lightning protection system for a remote control circuit utilizing an isolation transformer

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