JPS63174424A - 近接スイツチ - Google Patents

近接スイツチ

Info

Publication number
JPS63174424A
JPS63174424A JP62006732A JP673287A JPS63174424A JP S63174424 A JPS63174424 A JP S63174424A JP 62006732 A JP62006732 A JP 62006732A JP 673287 A JP673287 A JP 673287A JP S63174424 A JPS63174424 A JP S63174424A
Authority
JP
Japan
Prior art keywords
circuit
output
oscillation
transistor
feedback
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.)
Pending
Application number
JP62006732A
Other languages
English (en)
Japanese (ja)
Inventor
Fumito Takahashi
文人 高橋
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP62006732A priority Critical patent/JPS63174424A/ja
Priority to US07/127,403 priority patent/US4803444A/en
Priority to DE19873743673 priority patent/DE3743673A1/de
Publication of JPS63174424A publication Critical patent/JPS63174424A/ja
Pending 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
    • 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)
JP62006732A 1987-01-14 1987-01-14 近接スイツチ Pending JPS63174424A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP62006732A JPS63174424A (ja) 1987-01-14 1987-01-14 近接スイツチ
US07/127,403 US4803444A (en) 1987-01-14 1987-12-02 Proximity switch
DE19873743673 DE3743673A1 (de) 1987-01-14 1987-12-22 Annaeherungsschalter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62006732A JPS63174424A (ja) 1987-01-14 1987-01-14 近接スイツチ

Publications (1)

Publication Number Publication Date
JPS63174424A true JPS63174424A (ja) 1988-07-18

Family

ID=11646405

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62006732A Pending JPS63174424A (ja) 1987-01-14 1987-01-14 近接スイツチ

Country Status (3)

Country Link
US (1) US4803444A (cg-RX-API-DMAC7.html)
JP (1) JPS63174424A (cg-RX-API-DMAC7.html)
DE (1) DE3743673A1 (cg-RX-API-DMAC7.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0404065A1 (en) * 1989-06-21 1990-12-27 Omron Corporation Sensor having an oscillation circuit
DE3931892C2 (de) * 1989-09-25 1999-03-25 Klaschka Gmbh & Co Annäherungsschalter
DE4118647A1 (de) * 1991-06-04 1992-12-17 Mikroelektronik Und Technologi Initiatorschaltung
DE4325406B4 (de) * 1992-09-02 2006-02-23 Tiefenbach Gmbh Näherungsschalter
DE4317359A1 (de) * 1993-05-25 1994-12-01 Balluff Gebhard Feinmech Sensor
DE19650793C1 (de) * 1996-12-06 1998-04-16 Siemens Ag Elektronisches, berührungslos arbeitendes Schaltgerät
ATE466405T1 (de) * 1998-12-08 2010-05-15 Baumer Innotec Ag Verfahren und vorrichtung zur messung der dämpfung eines lc-schwingungskreises
US7112960B2 (en) * 2003-07-31 2006-09-26 Applied Materials, Inc. Eddy current system for in-situ profile measurement
WO2009080593A1 (de) * 2007-12-20 2009-07-02 Robert Buck Verfahren zur bestimmung des masses der änderung der bedämpfung einer last sowie anordnung zur durchführung eines derartigen verfahrens
DE102013202573B3 (de) * 2013-02-18 2014-04-17 Ifm Electronic Gmbh Induktiver Näherungsschalter
DE102014202793A1 (de) 2014-02-17 2015-08-20 Ifm Electronic Gmbh Induktiver Näherungsschalter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3016821C2 (de) * 1980-05-02 1982-08-12 Honeywell Gmbh, 6000 Frankfurt Elektronischer Näherungsschalter
DE3320509C2 (de) * 1983-06-07 1994-02-17 Merten Kg Pulsotronic Elektronischer Näherungsschalter
US4613830A (en) * 1984-07-27 1986-09-23 Omron Tateisi Electronics, Co. Proximity switch having variable gain oscillator
JPS6135619A (ja) * 1984-07-27 1986-02-20 Omron Tateisi Electronics Co 近接スイツチ
JPS61199328A (ja) * 1985-02-28 1986-09-03 Omron Tateisi Electronics Co 近接スイツチ
JPH089452B2 (ja) * 1992-10-28 1996-01-31 日本ボールドウィン株式会社 折丁フィード装置

Also Published As

Publication number Publication date
DE3743673A1 (de) 1988-07-28
DE3743673C2 (cg-RX-API-DMAC7.html) 1993-09-09
US4803444A (en) 1989-02-07

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