JPS528852A - Method and device for detecting a magnetic permeable metallic body whi ch is laid underground - Google Patents

Method and device for detecting a magnetic permeable metallic body whi ch is laid underground

Info

Publication number
JPS528852A
JPS528852A JP50084651A JP8465175A JPS528852A JP S528852 A JPS528852 A JP S528852A JP 50084651 A JP50084651 A JP 50084651A JP 8465175 A JP8465175 A JP 8465175A JP S528852 A JPS528852 A JP S528852A
Authority
JP
Japan
Prior art keywords
detecting
metallic body
magnetic permeable
laid underground
permeable metallic
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
JP50084651A
Other languages
Japanese (ja)
Inventor
Mitsugi Yoshimura
Masaaki Sugihara
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.)
Takenaka Komuten Co Ltd
Original Assignee
Takenaka Komuten 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 Takenaka Komuten Co Ltd filed Critical Takenaka Komuten Co Ltd
Priority to JP50084651A priority Critical patent/JPS528852A/en
Publication of JPS528852A publication Critical patent/JPS528852A/en
Pending legal-status Critical Current

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  • Geophysics And Detection Of Objects (AREA)

Abstract

PURPOSE: To detect the presence or absence and size and shape of something laid under the ground by utilizing the magnetic permeability of the magnet.
COPYRIGHT: (C)1977,JPO&Japio
JP50084651A 1975-07-10 1975-07-10 Method and device for detecting a magnetic permeable metallic body whi ch is laid underground Pending JPS528852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50084651A JPS528852A (en) 1975-07-10 1975-07-10 Method and device for detecting a magnetic permeable metallic body whi ch is laid underground

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50084651A JPS528852A (en) 1975-07-10 1975-07-10 Method and device for detecting a magnetic permeable metallic body whi ch is laid underground

Publications (1)

Publication Number Publication Date
JPS528852A true JPS528852A (en) 1977-01-24

Family

ID=13836602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50084651A Pending JPS528852A (en) 1975-07-10 1975-07-10 Method and device for detecting a magnetic permeable metallic body whi ch is laid underground

Country Status (1)

Country Link
JP (1) JPS528852A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5730971A (en) * 1980-07-31 1982-02-19 Ponii Sangyo Kk Metal detector
US5006806A (en) * 1989-03-15 1991-04-09 Schonstedt Instrument Company Methods and apparatus employing permanent magnets for marking, locating, tracing and identifying hidden objects such as burried fiber optic cables
US5017873A (en) * 1989-03-15 1991-05-21 Schonstedt Instrument Company Methods and apparatus employing permanent magnets for marking, locating, tracing and identifying hidden objects such as buried fiber optic cables
US5122750A (en) * 1989-03-15 1992-06-16 Schonstedt Instrument Company Methods employing permanent magnets for marking, locating, tracing and identifying hidden objects such as buried fiber optic cables

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5730971A (en) * 1980-07-31 1982-02-19 Ponii Sangyo Kk Metal detector
US5006806A (en) * 1989-03-15 1991-04-09 Schonstedt Instrument Company Methods and apparatus employing permanent magnets for marking, locating, tracing and identifying hidden objects such as burried fiber optic cables
US5017873A (en) * 1989-03-15 1991-05-21 Schonstedt Instrument Company Methods and apparatus employing permanent magnets for marking, locating, tracing and identifying hidden objects such as buried fiber optic cables
US5122750A (en) * 1989-03-15 1992-06-16 Schonstedt Instrument Company Methods employing permanent magnets for marking, locating, tracing and identifying hidden objects such as buried fiber optic cables

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