CN1134745C - 感应传感器 - Google Patents

感应传感器 Download PDF

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Publication number
CN1134745C
CN1134745C CNB998033030A CN99803303A CN1134745C CN 1134745 C CN1134745 C CN 1134745C CN B998033030 A CNB998033030 A CN B998033030A CN 99803303 A CN99803303 A CN 99803303A CN 1134745 C CN1134745 C CN 1134745C
Authority
CN
China
Prior art keywords
inductive head
magnetic field
gap
concentrator
measurement gap
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 - Fee Related
Application number
CNB998033030A
Other languages
English (en)
Chinese (zh)
Other versions
CN1292128A (zh
Inventor
盖伊・A・斯托里
维托德·A·科沃斯托夫
・拉贾塞卡兰
・莫特
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.)
Crane Canada Co
Original Assignee
Cashcode Co Inc
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 Cashcode Co Inc filed Critical Cashcode Co Inc
Publication of CN1292128A publication Critical patent/CN1292128A/zh
Application granted granted Critical
Publication of CN1134745C publication Critical patent/CN1134745C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/083—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive
    • G06K7/084—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive sensing magnetic material by relative movement detecting flux changes without altering its magnetised state
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Geophysics And Detection Of Objects (AREA)
CNB998033030A 1998-02-25 1999-01-27 感应传感器 Expired - Fee Related CN1134745C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002230523A CA2230523C (en) 1998-02-25 1998-02-25 Induction sensor
CA2.230,523 1998-02-25

Publications (2)

Publication Number Publication Date
CN1292128A CN1292128A (zh) 2001-04-18
CN1134745C true CN1134745C (zh) 2004-01-14

Family

ID=4162156

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB998033030A Expired - Fee Related CN1134745C (zh) 1998-02-25 1999-01-27 感应传感器

Country Status (7)

Country Link
EP (1) EP1057136B1 (enExample)
JP (1) JP2002505487A (enExample)
CN (1) CN1134745C (enExample)
AU (1) AU753651B2 (enExample)
CA (1) CA2230523C (enExample)
DE (1) DE69911745T2 (enExample)
ES (1) ES2209382T3 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010257292A (ja) * 2009-04-27 2010-11-11 Hitachi Omron Terminal Solutions Corp 媒体厚み検知装置
CN101881838A (zh) * 2010-06-23 2010-11-10 尹武良 一种基于电磁传感器的食品内危险物品的测量装置与方法
DE102011004530A1 (de) * 2010-12-15 2012-06-21 Mahle International Gmbh Heizvorrichtung
FR2979712B1 (fr) * 2011-09-02 2013-09-13 Schneider Electric Ind Sas Ensemble multicouche a double bobinage blinde pour detecteur inductif

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173000B (en) * 1985-03-28 1988-08-10 Texaco Development Corp Dielectric well logging system with electrostatically shielded coils
FR2712420B1 (fr) * 1993-11-08 1995-12-15 Commissariat Energie Atomique Tête magnétique de lecture à élément magnétorésistant multicouche et à concentrateur et son procédé de réalisation.

Also Published As

Publication number Publication date
AU753651B2 (en) 2002-10-24
ES2209382T3 (es) 2004-06-16
JP2002505487A (ja) 2002-02-19
DE69911745T2 (de) 2004-08-05
CA2230523C (en) 2006-05-09
EP1057136A1 (en) 2000-12-06
EP1057136B1 (en) 2003-10-01
CN1292128A (zh) 2001-04-18
CA2230523A1 (en) 1999-08-25
AU2146999A (en) 1999-09-15
DE69911745D1 (de) 2003-11-06

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: KERUI (CANADA) CO., LTD.

Free format text: FORMER OWNER: CASHCODE CO. INC.

Effective date: 20150114

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20150114

Address after: Ontario

Patentee after: CRANE CANADA CO.

Address before: Ontario

Patentee before: Cashcode Co. Inc.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20040114

Termination date: 20180127

CF01 Termination of patent right due to non-payment of annual fee