JPH11118940A5 - - Google Patents

Info

Publication number
JPH11118940A5
JPH11118940A5 JP1997296481A JP29648197A JPH11118940A5 JP H11118940 A5 JPH11118940 A5 JP H11118940A5 JP 1997296481 A JP1997296481 A JP 1997296481A JP 29648197 A JP29648197 A JP 29648197A JP H11118940 A5 JPH11118940 A5 JP H11118940A5
Authority
JP
Japan
Prior art keywords
magnetic field
buried
scanning unit
unit
target object
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.)
Granted
Application number
JP1997296481A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11118940A (ja
JP4000208B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP29648197A priority Critical patent/JP4000208B2/ja
Priority claimed from JP29648197A external-priority patent/JP4000208B2/ja
Publication of JPH11118940A publication Critical patent/JPH11118940A/ja
Publication of JPH11118940A5 publication Critical patent/JPH11118940A5/ja
Application granted granted Critical
Publication of JP4000208B2 publication Critical patent/JP4000208B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP29648197A 1997-10-15 1997-10-15 埋設物探査装置 Expired - Fee Related JP4000208B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29648197A JP4000208B2 (ja) 1997-10-15 1997-10-15 埋設物探査装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29648197A JP4000208B2 (ja) 1997-10-15 1997-10-15 埋設物探査装置

Publications (3)

Publication Number Publication Date
JPH11118940A JPH11118940A (ja) 1999-04-30
JPH11118940A5 true JPH11118940A5 (cs) 2005-06-30
JP4000208B2 JP4000208B2 (ja) 2007-10-31

Family

ID=17834122

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29648197A Expired - Fee Related JP4000208B2 (ja) 1997-10-15 1997-10-15 埋設物探査装置

Country Status (1)

Country Link
JP (1) JP4000208B2 (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001235089A (ja) * 2000-02-21 2001-08-31 Tokyo Gas Co Ltd ピグロケーター及びピグの追跡方法
DE102004007315A1 (de) * 2004-02-14 2005-08-25 Robert Bosch Gmbh Nahbereichsradar mit Mehrfachsensorik zur Ortung von in einem Medium eingeschlossenen Objekten
CN101725834B (zh) * 2008-10-24 2012-12-12 中国石油天然气管道局 管道爬行器磁传感器
DE102011079276A1 (de) * 2011-07-15 2013-01-17 Hilti Aktiengesellschaft Vorrichtung und Verfahren zum Detektieren eines Objektes in einem Untergrund
DE102011079258A1 (de) * 2011-07-15 2013-01-17 Hilti Aktiengesellschaft Verfahren und Vorrichtung zum Detektieren eines Objektes in einem Untergrund

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028401A (cs) * 1973-07-18 1975-03-24
JPS5866885A (ja) * 1981-10-16 1983-04-21 Tokyo Gas Co Ltd パイプロケ−タ−
JPS60233584A (ja) * 1984-02-29 1985-11-20 Hitachi Ltd 埋設物探知装置
JPH0424471Y2 (cs) * 1986-06-14 1992-06-09
JP2526578B2 (ja) * 1986-06-26 1996-08-21 日本鋼管株式会社 塗膜損傷検知方法
JPH01195385A (ja) * 1988-01-29 1989-08-07 Japan Radio Co Ltd ハイブリッド地中埋設物探査方法
JPH03194486A (ja) * 1989-12-22 1991-08-26 Tokyo Gas Co Ltd 埋設物の探知方法及び装置
JPH05107366A (ja) * 1991-10-14 1993-04-27 Touden Sekkei Kk 地中埋設物を探査する方法とその装置

Similar Documents

Publication Publication Date Title
KR102295246B1 (ko) 매설금속의 탐지 방법 및 그 탐지 장치
KR101899079B1 (ko) 지하매설물 위치탐지 시스템
US20030184300A1 (en) underground locator with a laser marking device.
US5798644A (en) Method and apparatus for locating buried conveyances using locating & confirmation signals with an array of sensors
EP2594967B1 (en) Smart electromagnetic sensor array
EP1298457A1 (en) Inductive sensor arrangement and method for detecting of ferrous metal objects
JPH11118940A5 (cs)
JP3119321B2 (ja) 埋設管に於ける対象個所の検知方法
JP4000208B2 (ja) 埋設物探査装置
US8531329B2 (en) Method and device for determining the thickness of material using high frequency
JP2921613B2 (ja) 埋設配管の検査方法
JP2005526970A (ja) 過渡的な渦電流を誘導しかつ測定することによって、媒体に埋込まれた物体の位置を特定するための時間領域誘導方法および装置
JPH0196584A (ja) 土中に埋設された配管の位置を探査する方法
JP3894595B2 (ja) 隠蔽配管路の釘による損傷部位検出装置
US7808226B1 (en) Line tracing method and apparatus utilizing non-linear junction detecting locator probe
JPH0424471Y2 (cs)
JP2001235089A (ja) ピグロケーター及びピグの追跡方法
JP3167654B2 (ja) 埋設金属管の防食被覆損傷位置探査方法とその装置
WO2005085902A1 (en) Apparatus and method for detecting a buried objetc using solitary wave.
JP3732020B2 (ja) 地中推進工法における電磁波伝播速度推定方法および装置
JP3112490U (ja) 線状埋設金属物体探査装置
JPH06109576A (ja) 漏水検知装置
JP3932282B2 (ja) 埋設配管の防食被覆損傷検知装置
JP3007663B2 (ja) 埋設管探知方法
JP2005091147A (ja) 鋼管腐食検出器