JPS6335978U - - Google Patents

Info

Publication number
JPS6335978U
JPS6335978U JP13038586U JP13038586U JPS6335978U JP S6335978 U JPS6335978 U JP S6335978U JP 13038586 U JP13038586 U JP 13038586U JP 13038586 U JP13038586 U JP 13038586U JP S6335978 U JPS6335978 U JP S6335978U
Authority
JP
Japan
Prior art keywords
buried
magnetic
axes
sensors
magnetic sensors
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
JP13038586U
Other languages
English (en)
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 JP13038586U priority Critical patent/JPS6335978U/ja
Publication of JPS6335978U publication Critical patent/JPS6335978U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図ａ，ｂは本考案実施例の埋設物検知器の
概略図、第２図は回路部のブロツク図、第３図ａ
，ｂ，ｃはフレーム内のセンサ配置図、第４図ａ
は従来技術の原理図、ｂは本考案の原理図である
。 １……フレーム、２……磁気センサ、３，４…
…センサエレメント、５……センサ入力、６……
マルチプレクサ、７……整流器、８……Ａ／Ｄ変
換器、９……ＣＰＵ、１０……表示器、１３……
埋設物、１４……地面。

Claims (1)

    【実用新案登録請求の範囲】
  1. 地中に埋設された電気伝導性のある物体に電流
    を通じ、物体から発生する磁場から埋設位置を検
    知する埋設物検知器において、１組の磁気センサ
    は互いに軸が直交する２個のセンサから構成され
    、互いに直交した二方向の磁場を検知する少なく
    とも３組以上の磁気センサを各軸が平行でかつ１
    軸が同一方向を向くように配置して成る埋設物検
    知器。
JP13038586U 1986-08-26 1986-08-26 Pending JPS6335978U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13038586U JPS6335978U (ja) 1986-08-26 1986-08-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13038586U JPS6335978U (ja) 1986-08-26 1986-08-26

Publications (1)

Publication Number Publication Date
JPS6335978U true JPS6335978U (ja) 1988-03-08

Family

ID=31027832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13038586U Pending JPS6335978U (ja) 1986-08-26 1986-08-26

Country Status (1)

Country Link
JP (1) JPS6335978U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0221289A (ja) * 1988-07-09 1990-01-24 Tokyo Gas Co Ltd 埋設管の検知方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275352A (en) * 1975-12-19 1977-06-24 Nippon Telegr & Teleph Corp <Ntt> Buried metal pipe detector and receiver
JPS56140276A (en) * 1980-04-02 1981-11-02 Nippon Telegr & Teleph Corp <Ntt> Measuring device of buried position of underground cable

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275352A (en) * 1975-12-19 1977-06-24 Nippon Telegr & Teleph Corp <Ntt> Buried metal pipe detector and receiver
JPS56140276A (en) * 1980-04-02 1981-11-02 Nippon Telegr & Teleph Corp <Ntt> Measuring device of buried position of underground cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0221289A (ja) * 1988-07-09 1990-01-24 Tokyo Gas Co Ltd 埋設管の検知方法

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