ATE77517T1 - Sensor mit induktivem teiler. - Google Patents

Sensor mit induktivem teiler.

Info

Publication number
ATE77517T1
ATE77517T1 AT87300934T AT87300934T ATE77517T1 AT E77517 T1 ATE77517 T1 AT E77517T1 AT 87300934 T AT87300934 T AT 87300934T AT 87300934 T AT87300934 T AT 87300934T AT E77517 T1 ATE77517 T1 AT E77517T1
Authority
AT
Austria
Prior art keywords
sensor
sub
proximity
target object
divider network
Prior art date
Application number
AT87300934T
Other languages
English (en)
Inventor
Bernard J Burreson
Original Assignee
Eldec Corp
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 Eldec Corp filed Critical Eldec Corp
Application granted granted Critical
Publication of ATE77517T1 publication Critical patent/ATE77517T1/de

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
    • H03K17/9537—Proximity switches using a magnetic detector using inductive coils in a resonant circuit
    • 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

Landscapes

  • Electronic Switches (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Control Of Stepping Motors (AREA)
  • Burglar Alarm Systems (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Control Of Electric Motors In General (AREA)
  • Measuring Fluid Pressure (AREA)
AT87300934T 1986-03-12 1987-02-03 Sensor mit induktivem teiler. ATE77517T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/839,039 US4845429A (en) 1986-03-12 1986-03-12 Inductance divider sensor
EP87300934A EP0237171B1 (de) 1986-03-12 1987-02-03 Sensor mit induktivem Teiler

Publications (1)

Publication Number Publication Date
ATE77517T1 true ATE77517T1 (de) 1992-07-15

Family

ID=25278710

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87300934T ATE77517T1 (de) 1986-03-12 1987-02-03 Sensor mit induktivem teiler.

Country Status (6)

Country Link
US (1) US4845429A (de)
EP (1) EP0237171B1 (de)
JP (1) JP2512738B2 (de)
AT (1) ATE77517T1 (de)
CA (1) CA1278065C (de)
DE (1) DE3779779T2 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8719422D0 (en) * 1987-08-17 1987-09-23 Sigma Ltd Inductive proximity sensor
JP2550621B2 (ja) * 1987-11-17 1996-11-06 オムロン株式会社 高周波発振型近接スイッチ
DE69019491T2 (de) * 1989-12-29 1996-02-22 Ebara Corp Verschiebungssensor vom Induktionstyp mit Unempfindlichkeit gegenüber externen magnetischen Feldern.
US5126669A (en) * 1990-11-27 1992-06-30 The United States Of America As Represented By The Administrator, Of The National Aeronautics And Space Administration Precision measurement of magnetic characteristics of an article with nullification of external magnetic fields
EP0492029B1 (de) * 1990-12-21 1992-11-11 Detra Sa Induktiver Näherungssensor
US5498958A (en) * 1990-12-21 1996-03-12 Detra Sa Inductive proximity sensor with periodic switching for sensing the presence of objects
US5241268A (en) * 1992-03-02 1993-08-31 Hughes Aircraft Company Method and apparatus for electromagnetically resolving the angle of a rotatable shaft
US5331277A (en) * 1992-08-07 1994-07-19 Eldec Corporation Inductive divider position sensor with fixed and variable impedance inductors
JP3066203B2 (ja) * 1992-10-20 2000-07-17 株式会社ゼクセル 回転角度センサ
US5410488A (en) * 1992-11-02 1995-04-25 Lorton Aerospace Company Proximity sensor gap measuring method and apparatus
GB2356050B (en) * 1999-11-05 2001-10-24 Elcometer Instr Ltd Apparatus and method for measuring thickness
US20040160713A1 (en) * 2003-02-18 2004-08-19 Jung-Tsung Wei Intelligent line switch
US7548819B2 (en) * 2004-02-27 2009-06-16 Ultra Electronics Limited Signal measurement and processing method and apparatus
GB2411481B (en) * 2004-02-27 2007-11-14 Ultra Electronics Ltd Signal measurement and processing method and apparatus
US7263319B2 (en) * 2004-06-09 2007-08-28 Kabushiki Kaisha Toshiba Developing device and image forming apparatus for suppressing toner-clumps
US7570062B2 (en) * 2004-12-10 2009-08-04 Eaton Corporation Method of actuating a test function of an electrical switching apparatus and electrical switching apparatus employing the same
DE102006024920B4 (de) * 2006-05-24 2015-08-27 Ifm Electronic Gmbh Induktiver Näherungsschalter
US8312987B2 (en) * 2008-01-16 2012-11-20 The Gates Corporation Belt monitoring systems and methods
WO2010055453A1 (en) * 2008-11-13 2010-05-20 Koninklijke Philips Electronics N.V. Spiraled wires in a deep-brain stimulator probe
JP4731636B1 (ja) * 2010-11-26 2011-07-27 株式会社マコメ研究所 磁気スイッチ
US9214936B2 (en) * 2013-06-18 2015-12-15 Hyundai Motor Company Non-contact sensing module and method of manufacturing the same
US10007017B2 (en) 2014-11-14 2018-06-26 Ultra Electronics Limited Sensor core and sensor
JP2016125940A (ja) * 2015-01-06 2016-07-11 株式会社東海理化電機製作所 位置検出装置
JP6493191B2 (ja) * 2015-12-14 2019-04-03 オムロン株式会社 近接センサ
JP2017142200A (ja) * 2016-02-12 2017-08-17 株式会社東海理化電機製作所 位置検出装置
US10030426B2 (en) * 2016-03-28 2018-07-24 Schlage Lock Company Llc Inductive door position sensor
EP3361102B1 (de) * 2017-02-09 2019-08-07 Pfeiffer Vacuum Gmbh Positionserfassungsvorrichtung
WO2021081570A1 (en) * 2019-10-22 2021-04-29 Azoteq (Pty) Ltd Electronic device user interface
CN112504104B (zh) * 2020-11-20 2022-09-09 苏州纳芯微电子股份有限公司 基于电感原理的位置传感电路及传感器和位置测量方法
KR20240160147A (ko) * 2022-04-28 2024-11-08 알프스 알파인 가부시키가이샤 전자 기기, 푸시식 입력 장치, 및, 전자 시프터

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2200863A (en) * 1934-10-03 1940-05-14 Radio Patents Corp Electrical circuits for controlling and measuring
US2222221A (en) * 1937-10-14 1940-11-19 Robert K Burford Method and apparatus for testing steel strip thickness
US3201774A (en) * 1962-12-26 1965-08-17 Tateisi Denki Kabushikikaisha Electrical sensing apparatus
GB1118235A (en) * 1965-11-23 1968-06-26 Tateisi Electronics Company A proximity switch
US3454869A (en) * 1966-12-23 1969-07-08 Electro Dev Corp Proximity sensing system
US3491289A (en) * 1968-12-17 1970-01-20 Atomic Energy Commission Non-contact eddy current instrument
JPS5829468B2 (ja) * 1972-08-31 1983-06-22 日本鋼管株式会社 カンノウインピ−ダンスソシ オ シヨウスル ソクテイソウチ
US4045728A (en) * 1976-04-15 1977-08-30 Nasa Direct reading inductance meter
US4131848A (en) * 1976-12-03 1978-12-26 Gulf & Western Industries, Inc. Digital loop detector with automatic tuning
DE2902157A1 (de) * 1978-01-20 1980-07-31 Bosch Gmbh Robert Analoge auswerteschaltung fuer einen induktiven weggeber
US4219740A (en) * 1979-01-12 1980-08-26 Eldec Corporation Proximity sensing system and inductance measuring technique
JPS601481Y2 (ja) * 1979-06-22 1985-01-16 東洋端子株式会社 三軸方向を検出する近接スイツチ
US4334204A (en) * 1980-06-30 1982-06-08 The Boeing Company Proximity switch assembly
US4416289A (en) * 1981-05-07 1983-11-22 Mccormick Laboratories, Inc. Circuits for determining very accurately the position of a device inside biological tissue
JPS5896424A (ja) * 1981-12-03 1983-06-08 Omron Tateisi Electronics Co 近接スイツチ
US4519256A (en) * 1983-03-14 1985-05-28 Eldec Corporation Pressure transducer including a proximity sensor

Also Published As

Publication number Publication date
EP0237171B1 (de) 1992-06-17
JPS62225986A (ja) 1987-10-03
DE3779779D1 (de) 1992-07-23
EP0237171A3 (en) 1987-11-04
DE3779779T2 (de) 1993-01-07
JP2512738B2 (ja) 1996-07-03
CA1278065C (en) 1990-12-18
EP0237171A2 (de) 1987-09-16
US4845429A (en) 1989-07-04

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties