CA2320677A1 - Electromagnetic induction coil sensor - Google Patents

Electromagnetic induction coil sensor Download PDF

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Publication number
CA2320677A1
CA2320677A1 CA002320677A CA2320677A CA2320677A1 CA 2320677 A1 CA2320677 A1 CA 2320677A1 CA 002320677 A CA002320677 A CA 002320677A CA 2320677 A CA2320677 A CA 2320677A CA 2320677 A1 CA2320677 A1 CA 2320677A1
Authority
CA
Canada
Prior art keywords
magnet
electromagnetic induction
induction coil
coil sensor
casing
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
CA002320677A
Other languages
French (fr)
Other versions
CA2320677C (en
Inventor
Moustafa Abdel Kader Mohamed
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2320677A1 publication Critical patent/CA2320677A1/en
Application granted granted Critical
Publication of CA2320677C publication Critical patent/CA2320677C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

An electromagnetic induction coil includes a casing with high magnetic permeability with a magnet disposed within the casing. The magnet has a central hole. A core with high magnetic permeability is disposed within the central hole of the magnet. The core is in physical contact with the casing.
A multi-loop coil of conductive wire is disposed within the central hole of the magnet encircling the core. The multi-loop coil is insulated from the magnet.
CA002320677A 1998-04-27 1998-04-27 Electromagnetic induction coil sensor Expired - Fee Related CA2320677C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2235879 CA2235879C (en) 1998-04-27 1998-04-27 Method and apparatus for detecting rock movement

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA 2235879 Division CA2235879C (en) 1998-04-27 1998-04-27 Method and apparatus for detecting rock movement

Publications (2)

Publication Number Publication Date
CA2320677A1 true CA2320677A1 (en) 1999-10-27
CA2320677C CA2320677C (en) 2003-01-21

Family

ID=4162365

Family Applications (2)

Application Number Title Priority Date Filing Date
CA 2235879 Expired - Fee Related CA2235879C (en) 1998-04-27 1998-04-27 Method and apparatus for detecting rock movement
CA002320677A Expired - Fee Related CA2320677C (en) 1998-04-27 1998-04-27 Electromagnetic induction coil sensor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA 2235879 Expired - Fee Related CA2235879C (en) 1998-04-27 1998-04-27 Method and apparatus for detecting rock movement

Country Status (1)

Country Link
CA (2) CA2235879C (en)

Also Published As

Publication number Publication date
CA2235879A1 (en) 1999-10-27
CA2235879C (en) 2002-02-05
CA2320677C (en) 2003-01-21

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed