JPS6312268B2 - - Google Patents

Info

Publication number
JPS6312268B2
JPS6312268B2 JP55011538A JP1153880A JPS6312268B2 JP S6312268 B2 JPS6312268 B2 JP S6312268B2 JP 55011538 A JP55011538 A JP 55011538A JP 1153880 A JP1153880 A JP 1153880A JP S6312268 B2 JPS6312268 B2 JP S6312268B2
Authority
JP
Japan
Prior art keywords
cable
magnetic field
signal
display
field detection
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.)
Expired
Application number
JP55011538A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56110069A (en
Inventor
Juichi Shirasaki
Yoshinao Iwamoto
Shizuo Suzuki
Kenichi Asakawa
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Priority to JP1153880A priority Critical patent/JPS56110069A/ja
Publication of JPS56110069A publication Critical patent/JPS56110069A/ja
Publication of JPS6312268B2 publication Critical patent/JPS6312268B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current
    • G01V3/06—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current using AC

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP1153880A 1980-02-04 1980-02-04 Cable tracking method Granted JPS56110069A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1153880A JPS56110069A (en) 1980-02-04 1980-02-04 Cable tracking method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1153880A JPS56110069A (en) 1980-02-04 1980-02-04 Cable tracking method

Publications (2)

Publication Number Publication Date
JPS56110069A JPS56110069A (en) 1981-09-01
JPS6312268B2 true JPS6312268B2 (enrdf_load_stackoverflow) 1988-03-18

Family

ID=11780731

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1153880A Granted JPS56110069A (en) 1980-02-04 1980-02-04 Cable tracking method

Country Status (1)

Country Link
JP (1) JPS56110069A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5644237A (en) * 1995-09-27 1997-07-01 At&T Method and apparatus for precisely locating a buried utility conveyance
JPH09127252A (ja) * 1995-10-26 1997-05-16 Kokusai Denshin Denwa Co Ltd <Kdd> 海底ケーブル探査システム
CN103558638B (zh) * 2013-10-22 2016-08-17 江苏南瑞通驰自动化系统有限公司 一种非接触式带电暗线识别装置
CN105353415A (zh) * 2015-10-21 2016-02-24 中国科学技术大学 一种导线探测方法及系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028401A (enrdf_load_stackoverflow) * 1973-07-18 1975-03-24

Also Published As

Publication number Publication date
JPS56110069A (en) 1981-09-01

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