JPS58100768A - 金属探知器 - Google Patents

金属探知器

Info

Publication number
JPS58100768A
JPS58100768A JP56200389A JP20038981A JPS58100768A JP S58100768 A JPS58100768 A JP S58100768A JP 56200389 A JP56200389 A JP 56200389A JP 20038981 A JP20038981 A JP 20038981A JP S58100768 A JPS58100768 A JP S58100768A
Authority
JP
Japan
Prior art keywords
coil
magnetic field
excitation
metal detector
metal
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
JP56200389A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0429035B2 (enrdf_load_stackoverflow
Inventor
Kazuo Watabe
一雄 渡部
Yoshiaki Matsumoto
松本　好秋
Yasuharu Yamada
康晴 山田
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.)
Shimadzu Corp
Technical Research and Development Institute of Japan Defence Agency
Shimazu Seisakusho KK
Original Assignee
Shimadzu Corp
Technical Research and Development Institute of Japan Defence Agency
Shimazu Seisakusho 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 Shimadzu Corp, Technical Research and Development Institute of Japan Defence Agency, Shimazu Seisakusho KK filed Critical Shimadzu Corp
Priority to JP56200389A priority Critical patent/JPS58100768A/ja
Publication of JPS58100768A publication Critical patent/JPS58100768A/ja
Publication of JPH0429035B2 publication Critical patent/JPH0429035B2/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
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
    • G01V3/105—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops
    • G01V3/107—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops using compensating coil or loop arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP56200389A 1981-12-11 1981-12-11 金属探知器 Granted JPS58100768A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56200389A JPS58100768A (ja) 1981-12-11 1981-12-11 金属探知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56200389A JPS58100768A (ja) 1981-12-11 1981-12-11 金属探知器

Publications (2)

Publication Number Publication Date
JPS58100768A true JPS58100768A (ja) 1983-06-15
JPH0429035B2 JPH0429035B2 (enrdf_load_stackoverflow) 1992-05-15

Family

ID=16423509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56200389A Granted JPS58100768A (ja) 1981-12-11 1981-12-11 金属探知器

Country Status (1)

Country Link
JP (1) JPS58100768A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992000534A1 (en) 1990-06-29 1992-01-09 Safeline Limited Metal detector
GB2261073A (en) * 1990-06-29 1993-05-05 Safeline Ltd Metal detector
WO2001071387A3 (en) * 2000-03-22 2002-06-06 Univ Johns Hopkins Electromagnetic target discriminator sensor system and method for detecting and identifying metal targets

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011127452A (ja) 2009-12-15 2011-06-30 Mitsubishi Heavy Ind Ltd 車両用熱交換モジュール

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992000534A1 (en) 1990-06-29 1992-01-09 Safeline Limited Metal detector
GB2261073A (en) * 1990-06-29 1993-05-05 Safeline Ltd Metal detector
GB2261073B (en) * 1990-06-29 1994-02-16 Safeline Ltd Metal detector
WO2001071387A3 (en) * 2000-03-22 2002-06-06 Univ Johns Hopkins Electromagnetic target discriminator sensor system and method for detecting and identifying metal targets

Also Published As

Publication number Publication date
JPH0429035B2 (enrdf_load_stackoverflow) 1992-05-15

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