DE69000465T2 - Induktiver naeherungssensor. - Google Patents

Induktiver naeherungssensor.

Info

Publication number
DE69000465T2
DE69000465T2 DE9090811020T DE69000465T DE69000465T2 DE 69000465 T2 DE69000465 T2 DE 69000465T2 DE 9090811020 T DE9090811020 T DE 9090811020T DE 69000465 T DE69000465 T DE 69000465T DE 69000465 T2 DE69000465 T2 DE 69000465T2
Authority
DE
Germany
Prior art keywords
coil
period
proximity sensor
inductive proximity
current
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
DE9090811020T
Other languages
German (de)
English (en)
Other versions
DE69000465D1 (de
Inventor
Michel Schwab
Mai Xuan Tu
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.)
Detra SA
Original Assignee
Detra SA
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 Detra SA filed Critical Detra SA
Publication of DE69000465D1 publication Critical patent/DE69000465D1/de
Application granted granted Critical
Publication of DE69000465T2 publication Critical patent/DE69000465T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/952—Proximity switches using a magnetic detector using inductive coils
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector

Landscapes

  • Electronic Switches (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Current Or Voltage (AREA)
DE9090811020T 1990-12-21 1990-12-21 Induktiver naeherungssensor. Expired - Lifetime DE69000465T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90811020A EP0492029B1 (fr) 1990-12-21 1990-12-21 Capteur de proximité inductif

Publications (2)

Publication Number Publication Date
DE69000465D1 DE69000465D1 (de) 1992-12-17
DE69000465T2 true DE69000465T2 (de) 1993-05-13

Family

ID=8205980

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9090811020T Expired - Lifetime DE69000465T2 (de) 1990-12-21 1990-12-21 Induktiver naeherungssensor.

Country Status (8)

Country Link
EP (1) EP0492029B1 (enExample)
JP (1) JP2717743B2 (enExample)
KR (1) KR970005129B1 (enExample)
AT (1) ATE82451T1 (enExample)
DE (1) DE69000465T2 (enExample)
ES (1) ES2036110T3 (enExample)
GR (1) GR3006891T3 (enExample)
RU (1) RU2072523C1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10436608B2 (en) 2016-08-12 2019-10-08 Sick Ag Inductive proximity sensor

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0936738A1 (de) * 1998-02-13 1999-08-18 Optosys SA Induktiver Näherungsschalter mit einem aus einem Stück bestehenden Gehäuse
EP0936741B1 (de) * 1998-02-13 2009-04-29 Optosys SA Induktiver Näherungsschalter mit einem vorzugsweise aus einem Stück bestehenden Gehäuse
EP0936740B1 (de) * 1998-02-17 2006-06-14 Optosys SA Induktiver Näherungsschalter
EP0936739A1 (de) * 1998-02-17 1999-08-18 Optosys SA Induktiver Näherungsschalter
SE517293C2 (sv) * 1999-06-30 2002-05-21 Abb Ab Förfarande och anordning för induktiv mätning av geometrisk dimension och elektrisk egenskap med motriktade magnetfält
CA2312880A1 (en) 1999-08-25 2001-02-25 The Goodyear Tire & Rubber Company Rubber composition containing two silicas
SG82655A1 (en) * 1999-11-12 2001-08-21 Aida Eng Ltd Metal object detecting device
DE10041997B4 (de) * 2000-08-10 2005-12-29 Siemens Ag Metallgekapselte, gasisolierte Schaltanlage mit einer Einrichtung zur Erfassung der Gasdichte
US7205166B2 (en) * 2002-06-28 2007-04-17 Lam Research Corporation Method and apparatus of arrayed, clustered or coupled eddy current sensor configuration for measuring conductive film properties
SE527091C2 (sv) * 2003-12-31 2005-12-20 Abb Ab Metod och anordning för beröringsfri mätning av tjocklek och elektriska ledningsförmåga hos ett mätobjekt
JP2008211762A (ja) * 2007-01-02 2008-09-11 Azuma Systems:Kk 検出装置及び検出方法
WO2008081572A1 (ja) * 2007-01-02 2008-07-10 Azuma Systems Co., Ltd. 磁歪式トルクセンサ及びトルク検出方法
DE102007001821B4 (de) 2007-01-12 2012-03-01 Wenglor sensoric elektronische Geräte GmbH Induktiver Näherungsschalter
JP4978377B2 (ja) * 2007-08-30 2012-07-18 オムロン株式会社 近接センサ
EP2409114B1 (en) * 2009-03-17 2013-03-13 Abb Ab A method and an apparatus for measuring the thickness of a metal layer provided on a metal object
JP4731636B1 (ja) * 2010-11-26 2011-07-27 株式会社マコメ研究所 磁気スイッチ
DE102011018430B4 (de) 2011-04-21 2019-03-21 Wenglor Sensoric Gmbh Induktiver Näherungsschalter
EP2725715B1 (en) 2012-10-29 2018-12-12 Optosys SA Proximity sensor
CN106716836B (zh) 2014-09-09 2020-11-20 巴鲁夫公司 感应式接近度传感器或距离传感器的传感器元件和用于操作所述传感器元件的方法
EP3239085B1 (en) * 2016-04-28 2019-03-20 KONE Corporation Solution for compensating an effect of temperature change in a proximity sensor in a machinery brake of an elevator
DE102021000157A1 (de) 2021-01-15 2022-07-21 Pepperl+Fuchs Se lnduktive Annäherungssensoreinheit und Verfahren zur Störungsüberprüfung bei einer induktiven Annäherungssensoreinheit
DE102021000156A1 (de) 2021-01-15 2022-07-21 Pepperl+Fuchs Se lnduktive Annäherungssensoreinheit und Verfahren zur Bestimmung einer Objekteigenschaft eines metallischen Erfassungskörpers
EP4104661B1 (en) * 2021-06-17 2025-03-12 CNH Industrial Belgium N.V. A belt-type cutting system comprising knives for cutting crops, including means for monitoring the condition of the knives
EP4571271A1 (en) 2023-12-11 2025-06-18 Pepperl+Fuchs SE Measurement system for operating with various sensor head types
EP4593289A1 (de) 2024-01-29 2025-07-30 Pepperl+Fuchs SE Induktiver näherungssensor, sensorsystem mit induktiven näherungssensoren sowie verfahren zum betreiben eines solchen sensorsystems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219740A (en) * 1979-01-12 1980-08-26 Eldec Corporation Proximity sensing system and inductance measuring technique
JPS5896424A (ja) * 1981-12-03 1983-06-08 Omron Tateisi Electronics Co 近接スイツチ
EP0231292A1 (en) * 1985-08-06 1987-08-12 Consolidated Technology Pty. Ltd. Detector device
DE3546245C3 (de) * 1985-12-28 1994-11-17 Link Walter Berührungsloser Näherungsschalter
US4845429A (en) * 1986-03-12 1989-07-04 Eldec Corporation Inductance divider sensor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10436608B2 (en) 2016-08-12 2019-10-08 Sick Ag Inductive proximity sensor
EP3282586B1 (de) 2016-08-12 2020-02-12 Sick AG Induktiver näherungssensor
DE102016115015C5 (de) 2016-08-12 2023-01-26 Sick Ag Induktiver Näherungssensor
EP3282586B2 (de) † 2016-08-12 2025-01-15 Sick Ag Induktiver näherungssensor

Also Published As

Publication number Publication date
ATE82451T1 (de) 1992-11-15
KR970005129B1 (ko) 1997-04-12
EP0492029A1 (fr) 1992-07-01
KR920012926A (ko) 1992-07-28
EP0492029B1 (fr) 1992-11-11
DE69000465D1 (de) 1992-12-17
ES2036110T3 (es) 1993-05-01
JPH04334115A (ja) 1992-11-20
GR3006891T3 (enExample) 1993-06-30
RU2072523C1 (ru) 1997-01-27
JP2717743B2 (ja) 1998-02-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition