CA2320677A1 - Electromagnetic induction coil sensor - Google Patents
Electromagnetic induction coil sensor Download PDFInfo
- 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
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)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (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.
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.
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 |
---|---|---|---|
CA002320677A Expired - Fee Related CA2320677C (en) | 1998-04-27 | 1998-04-27 | Electromagnetic induction coil sensor |
CA 2235879 Expired - Fee Related CA2235879C (en) | 1998-04-27 | 1998-04-27 | Method and apparatus for detecting rock movement |
Family Applications After (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) | CA2320677C (en) |
-
1998
- 1998-04-27 CA CA002320677A patent/CA2320677C/en not_active Expired - Fee Related
- 1998-04-27 CA CA 2235879 patent/CA2235879C/en not_active Expired - Fee Related
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 |