NL1012710C2 - Werkwijze voor het vergelijken van, of het meten van de verschillen tussen, twee of meer elektrische impedanties. - Google Patents

Werkwijze voor het vergelijken van, of het meten van de verschillen tussen, twee of meer elektrische impedanties. Download PDF

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Publication number
NL1012710C2
NL1012710C2 NL1012710A NL1012710A NL1012710C2 NL 1012710 C2 NL1012710 C2 NL 1012710C2 NL 1012710 A NL1012710 A NL 1012710A NL 1012710 A NL1012710 A NL 1012710A NL 1012710 C2 NL1012710 C2 NL 1012710C2
Authority
NL
Netherlands
Prior art keywords
oscillator
circuit
detection
input
output
Prior art date
Application number
NL1012710A
Other languages
English (en)
Dutch (nl)
Inventor
Jan Goezinne
Original Assignee
Spronck Josephus Wilhelmus Spronck
Shannon Electronics
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 Spronck Josephus Wilhelmus Spronck, Shannon Electronics filed Critical Spronck Josephus Wilhelmus Spronck
Priority to NL1012710A priority Critical patent/NL1012710C2/nl
Priority to DE60005522T priority patent/DE60005522T2/de
Priority to JP2001512708A priority patent/JP2003505968A/ja
Priority to KR1020027001094A priority patent/KR20020061588A/ko
Priority to PCT/NL2000/000522 priority patent/WO2001008309A2/en
Priority to AU63220/00A priority patent/AU6322000A/en
Priority to EP00950070A priority patent/EP1198886B1/de
Priority to US10/048,101 priority patent/US6847215B1/en
Priority to AT00950070T priority patent/ATE250825T1/de
Application granted granted Critical
Publication of NL1012710C2 publication Critical patent/NL1012710C2/nl

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
    • 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
    • H03K17/9542—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator
    • H03K17/9547—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator with variable amplitude

Landscapes

  • Electronic Switches (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Measuring Magnetic Variables (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Burglar Alarm Systems (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
NL1012710A 1999-07-26 1999-07-26 Werkwijze voor het vergelijken van, of het meten van de verschillen tussen, twee of meer elektrische impedanties. NL1012710C2 (nl)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NL1012710A NL1012710C2 (nl) 1999-07-26 1999-07-26 Werkwijze voor het vergelijken van, of het meten van de verschillen tussen, twee of meer elektrische impedanties.
DE60005522T DE60005522T2 (de) 1999-07-26 2000-07-24 Elektronische schaltung zur detektion einer veränderung bezüglich eines ruhestands
JP2001512708A JP2003505968A (ja) 1999-07-26 2000-07-24 静止状態に対する変化を検出する電子回路
KR1020027001094A KR20020061588A (ko) 1999-07-26 2000-07-24 정지상태에 대해 변화를 검출하기 위한 전자회로
PCT/NL2000/000522 WO2001008309A2 (en) 1999-07-26 2000-07-24 Electronic circuit for detecting a change relative to a quiescent condition
AU63220/00A AU6322000A (en) 1999-07-26 2000-07-24 Electronic circuit for detecting a change relative to a quiescent condition
EP00950070A EP1198886B1 (de) 1999-07-26 2000-07-24 Elektronische schaltung zur detektion einer veränderung bezüglich eines ruhestands
US10/048,101 US6847215B1 (en) 1999-07-26 2000-07-24 Electronic circuit for detecting a change relative to a quiescent condition
AT00950070T ATE250825T1 (de) 1999-07-26 2000-07-24 Elektronische schaltung zur detektion einer veränderung bezüglich eines ruhestands

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1012710A NL1012710C2 (nl) 1999-07-26 1999-07-26 Werkwijze voor het vergelijken van, of het meten van de verschillen tussen, twee of meer elektrische impedanties.
NL1012710 1999-07-26

Publications (1)

Publication Number Publication Date
NL1012710C2 true NL1012710C2 (nl) 2001-01-29

Family

ID=19769650

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1012710A NL1012710C2 (nl) 1999-07-26 1999-07-26 Werkwijze voor het vergelijken van, of het meten van de verschillen tussen, twee of meer elektrische impedanties.

Country Status (9)

Country Link
US (1) US6847215B1 (de)
EP (1) EP1198886B1 (de)
JP (1) JP2003505968A (de)
KR (1) KR20020061588A (de)
AT (1) ATE250825T1 (de)
AU (1) AU6322000A (de)
DE (1) DE60005522T2 (de)
NL (1) NL1012710C2 (de)
WO (1) WO2001008309A2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7005930B1 (en) * 2001-11-14 2006-02-28 Berkana Wireless, Inc. Synchronously coupled oscillator
US7142113B2 (en) * 2004-02-17 2006-11-28 Sensormatic Electronics Corporation Method and apparatus to detect an external source
JP5368899B2 (ja) * 2009-07-07 2013-12-18 パナソニック株式会社 近接センサ
FR2980654B1 (fr) * 2011-09-27 2019-08-02 Schneider Electric Industries Sas Oscillateur de detection lc pour detecteur de proximite inductif robuste aux environnements radiatifs
EP3474451A1 (de) 2017-10-19 2019-04-24 Imst Gmbh Sensorvorrichtung, detektionsverfahren für eine sensorvorrichtung und verwendung einer sensorvorrichtung
DE202017007460U1 (de) 2017-10-19 2021-09-09 Imst Gmbh Sensorvorrichtung
KR102090016B1 (ko) * 2018-11-23 2020-03-17 황성공업 주식회사 물체 접근 감지 장치, 이를 이용한 물체 접근 감지 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4574936A (en) * 1983-05-10 1986-03-11 Lance Klinger Coin accepter/rejector including symmetrical dual feedback oscillator
DE3527650A1 (de) * 1985-08-01 1987-02-12 Pepperl & Fuchs Verfahren und schaltungsanordnung
DE19611810A1 (de) * 1996-03-26 1997-10-02 Balluff Gebhard Gmbh & Co Berührungslos arbeitender Näherungsschalter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4574936A (en) * 1983-05-10 1986-03-11 Lance Klinger Coin accepter/rejector including symmetrical dual feedback oscillator
DE3527650A1 (de) * 1985-08-01 1987-02-12 Pepperl & Fuchs Verfahren und schaltungsanordnung
DE19611810A1 (de) * 1996-03-26 1997-10-02 Balluff Gebhard Gmbh & Co Berührungslos arbeitender Näherungsschalter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
J. YAMASAKI ET AL.: "Torque Sensors Using Wire Explosion Magnetostrictive Alloy Layers", IEEE TRANSACTIONS ON MAGNETICS., vol. 22, no. 5, September 1986 (1986-09-01), IEEE INC. NEW YORK., US, pages 403 - 405, XP002134483, ISSN: 0018-9464 *

Also Published As

Publication number Publication date
JP2003505968A (ja) 2003-02-12
AU6322000A (en) 2001-02-13
ATE250825T1 (de) 2003-10-15
WO2001008309A3 (en) 2001-05-10
KR20020061588A (ko) 2002-07-24
EP1198886B1 (de) 2003-09-24
DE60005522T2 (de) 2004-07-01
EP1198886A2 (de) 2002-04-24
US6847215B1 (en) 2005-01-25
WO2001008309A2 (en) 2001-02-01
DE60005522D1 (de) 2003-10-30

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Legal Events

Date Code Title Description
PD2B A search report has been drawn up
SD Assignments of patents

Owner name: JAN GOEZINNE

VD1 Lapsed due to non-payment of the annual fee

Effective date: 20040201