JPS6335977U - - Google Patents

Info

Publication number
JPS6335977U
JPS6335977U JP13038486U JP13038486U JPS6335977U JP S6335977 U JPS6335977 U JP S6335977U JP 13038486 U JP13038486 U JP 13038486U JP 13038486 U JP13038486 U JP 13038486U JP S6335977 U JPS6335977 U JP S6335977U
Authority
JP
Japan
Prior art keywords
buried
signal
control device
signal current
control signal
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
JP13038486U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP13038486U priority Critical patent/JPS6335977U/ja
Publication of JPS6335977U publication Critical patent/JPS6335977U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
JP13038486U 1986-08-26 1986-08-26 Pending JPS6335977U (esLanguage)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13038486U JPS6335977U (esLanguage) 1986-08-26 1986-08-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13038486U JPS6335977U (esLanguage) 1986-08-26 1986-08-26

Publications (1)

Publication Number Publication Date
JPS6335977U true JPS6335977U (esLanguage) 1988-03-08

Family

ID=31027830

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13038486U Pending JPS6335977U (esLanguage) 1986-08-26 1986-08-26

Country Status (1)

Country Link
JP (1) JPS6335977U (esLanguage)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996018884A1 (en) * 1994-12-16 1996-06-20 Tokyo Gas Co., Ltd. Electromagnetic inspection of elements of piping

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51117088A (en) * 1975-04-05 1976-10-14 Nippon Kokan Kk <Nkk> Conductor detection method
JPS59163586A (ja) * 1983-03-08 1984-09-14 Nec Corp 埋設導体検出方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51117088A (en) * 1975-04-05 1976-10-14 Nippon Kokan Kk <Nkk> Conductor detection method
JPS59163586A (ja) * 1983-03-08 1984-09-14 Nec Corp 埋設導体検出方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996018884A1 (en) * 1994-12-16 1996-06-20 Tokyo Gas Co., Ltd. Electromagnetic inspection of elements of piping

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