JP2002544527A - 温度、ノイズ、及びワイヤ長に鈍感な近接センサ方法及び装置 - Google Patents

温度、ノイズ、及びワイヤ長に鈍感な近接センサ方法及び装置

Info

Publication number
JP2002544527A
JP2002544527A JP2000618751A JP2000618751A JP2002544527A JP 2002544527 A JP2002544527 A JP 2002544527A JP 2000618751 A JP2000618751 A JP 2000618751A JP 2000618751 A JP2000618751 A JP 2000618751A JP 2002544527 A JP2002544527 A JP 2002544527A
Authority
JP
Japan
Prior art keywords
conductance
sensor
detector
susceptance
target
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.)
Withdrawn
Application number
JP2000618751A
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English (en)
Japanese (ja)
Other versions
JP2002544527A5 (enExample
Inventor
デンマ，ニック・アンソニー
ヴェトシュ，ルロイ・アーネスト
ロゴフ，スティーヴン・フォーレスト
Original Assignee
ハネウェル・インコーポレーテッド
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 ハネウェル・インコーポレーテッド filed Critical ハネウェル・インコーポレーテッド
Publication of JP2002544527A publication Critical patent/JP2002544527A/ja
Publication of JP2002544527A5 publication Critical patent/JP2002544527A5/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation
    • G01D3/022—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation having an ideal characteristic, map or correction data stored in a digital memory
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
    • G01D5/2013—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by a movable ferromagnetic element, e.g. a core
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
    • G01D5/202—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by movable a non-ferromagnetic conductive element
    • 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
    • G01V3/101—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil

Landscapes

  • Physics & Mathematics (AREA)
  • General 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)
  • Geophysics (AREA)
  • Technology Law (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
JP2000618751A 1999-05-13 2000-05-15 温度、ノイズ、及びワイヤ長に鈍感な近接センサ方法及び装置 Withdrawn JP2002544527A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/311,100 1999-05-13
US09/311,100 US6424146B2 (en) 1999-05-13 1999-05-13 Proximity sensor method and apparatus that is insensitive to temperature, noise and length of wire
PCT/US2000/013354 WO2000070368A1 (en) 1999-05-13 2000-05-15 Proximity sensor method and apparatus that is insensitive to temperature, noise and length of wire

Publications (2)

Publication Number Publication Date
JP2002544527A true JP2002544527A (ja) 2002-12-24
JP2002544527A5 JP2002544527A5 (enExample) 2007-03-15

Family

ID=23205405

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000618751A Withdrawn JP2002544527A (ja) 1999-05-13 2000-05-15 温度、ノイズ、及びワイヤ長に鈍感な近接センサ方法及び装置

Country Status (5)

Country Link
US (1) US6424146B2 (enExample)
EP (1) EP1177464A1 (enExample)
JP (1) JP2002544527A (enExample)
CA (1) CA2372866A1 (enExample)
WO (1) WO2000070368A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007240515A (ja) * 2006-02-07 2007-09-20 Denso Corp 乗員検知システム

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT412636B (de) * 2000-02-23 2005-05-25 Vae Eisenbahnsysteme Gmbh Einrichtung zur überwachung und prognose der ausfallwahrscheinlichkeit von induktiven näherungssensoren
DE50207002D1 (de) * 2001-04-12 2006-07-06 Micro Epsilon Messtechnik Schaltungsanordnung und verfahren zur temperaturkompensation
US7078906B2 (en) * 2003-09-23 2006-07-18 The Johns Hopkins University Simultaneous time-domain and frequency-domain metal detector
US6985822B2 (en) * 2003-11-26 2006-01-10 General Electric Company Methods and systems for proximity system target material variation effects reduction
US7548819B2 (en) * 2004-02-27 2009-06-16 Ultra Electronics Limited Signal measurement and processing method and apparatus
US7358720B1 (en) * 2006-01-25 2008-04-15 Simmonds Precision Products, Inc. Proximity sensor interface
US8373425B2 (en) * 2007-04-06 2013-02-12 Hypertherm, Inc. Plasma insensitive height sensing
GB2504991B (en) 2012-08-17 2015-09-23 Ultra Electronics Ltd Proximity sensor monitor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5066912A (en) 1990-07-09 1991-11-19 Kwiatkowski Richard F Calibratable non-contact inductive distance measuring device
US5180978A (en) 1991-12-02 1993-01-19 Honeywell Inc. Proximity sensor with reduced temperature sensitivity using A.C. and D.C. energy
US5410488A (en) 1992-11-02 1995-04-25 Lorton Aerospace Company Proximity sensor gap measuring method and apparatus
US5691639A (en) * 1996-08-28 1997-11-25 Honeywell Inc. Proximity sensor circuit with frequency changing capability

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007240515A (ja) * 2006-02-07 2007-09-20 Denso Corp 乗員検知システム

Also Published As

Publication number Publication date
WO2000070368A1 (en) 2000-11-23
EP1177464A1 (en) 2002-02-06
CA2372866A1 (en) 2000-11-23
US20010052768A1 (en) 2001-12-20
US6424146B2 (en) 2002-07-23

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