JPH0517509B2 - - Google Patents

Info

Publication number
JPH0517509B2
JPH0517509B2 JP59062408A JP6240884A JPH0517509B2 JP H0517509 B2 JPH0517509 B2 JP H0517509B2 JP 59062408 A JP59062408 A JP 59062408A JP 6240884 A JP6240884 A JP 6240884A JP H0517509 B2 JPH0517509 B2 JP H0517509B2
Authority
JP
Japan
Prior art keywords
coil
magnetic
sensor
magnetic 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 - Lifetime
Application number
JP59062408A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60205273A (ja
Inventor
Atsushi Fujimoto
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.)
NEC Corp
Original Assignee
Nippon Electric 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP59062408A priority Critical patent/JPS60205273A/ja
Publication of JPS60205273A publication Critical patent/JPS60205273A/ja
Publication of JPH0517509B2 publication Critical patent/JPH0517509B2/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)
JP59062408A 1984-03-30 1984-03-30 フエライト検知センサ Granted JPS60205273A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59062408A JPS60205273A (ja) 1984-03-30 1984-03-30 フエライト検知センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59062408A JPS60205273A (ja) 1984-03-30 1984-03-30 フエライト検知センサ

Publications (2)

Publication Number Publication Date
JPS60205273A JPS60205273A (ja) 1985-10-16
JPH0517509B2 true JPH0517509B2 (enrdf_load_stackoverflow) 1993-03-09

Family

ID=13199281

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59062408A Granted JPS60205273A (ja) 1984-03-30 1984-03-30 フエライト検知センサ

Country Status (1)

Country Link
JP (1) JPS60205273A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0790051B2 (ja) * 1986-01-23 1995-10-04 株式会社三共 弾球遊技機

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5764188A (en) * 1980-10-08 1982-04-19 Res Dev Corp Of Japan Ferrite detector
JPS58213276A (ja) * 1983-05-27 1983-12-12 Hitachi Ltd 磁性体または導電物質の検出器

Also Published As

Publication number Publication date
JPS60205273A (ja) 1985-10-16

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