JPH0510847B2 - - Google Patents

Info

Publication number
JPH0510847B2
JPH0510847B2 JP59157913A JP15791384A JPH0510847B2 JP H0510847 B2 JPH0510847 B2 JP H0510847B2 JP 59157913 A JP59157913 A JP 59157913A JP 15791384 A JP15791384 A JP 15791384A JP H0510847 B2 JPH0510847 B2 JP H0510847B2
Authority
JP
Japan
Prior art keywords
current
oscillation
transistor
circuit
collector
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
JP59157913A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6135620A (ja
Inventor
Fumio Kamya
Hisatoshi Nodera
Kenji Ueda
Keinosuke Imazu
Hidehiro Tomioka
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15660188&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH0510847(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP15791384A priority Critical patent/JPS6135620A/ja
Priority to DE8585109522T priority patent/DE3573968D1/de
Priority to EP85109522A priority patent/EP0171013B1/en
Priority to AT85109522T priority patent/ATE47636T1/de
Priority to US06/759,988 priority patent/US4644298A/en
Publication of JPS6135620A publication Critical patent/JPS6135620A/ja
Publication of JPH0510847B2 publication Critical patent/JPH0510847B2/ja
Granted 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)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Vending Machines For Individual Products (AREA)
JP15791384A 1984-07-27 1984-07-27 近接スイツチ Granted JPS6135620A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP15791384A JPS6135620A (ja) 1984-07-27 1984-07-27 近接スイツチ
DE8585109522T DE3573968D1 (en) 1984-07-27 1985-07-29 Proximity switch
EP85109522A EP0171013B1 (en) 1984-07-27 1985-07-29 Proximity switch
AT85109522T ATE47636T1 (de) 1984-07-27 1985-07-29 Naeherungsschalter.
US06/759,988 US4644298A (en) 1984-07-27 1985-07-29 Proximity switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15791384A JPS6135620A (ja) 1984-07-27 1984-07-27 近接スイツチ

Publications (2)

Publication Number Publication Date
JPS6135620A JPS6135620A (ja) 1986-02-20
JPH0510847B2 true JPH0510847B2 (en]) 1993-02-10

Family

ID=15660188

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15791384A Granted JPS6135620A (ja) 1984-07-27 1984-07-27 近接スイツチ

Country Status (5)

Country Link
US (1) US4644298A (en])
EP (1) EP0171013B1 (en])
JP (1) JPS6135620A (en])
AT (1) ATE47636T1 (en])
DE (1) DE3573968D1 (en])

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61199328A (ja) * 1985-02-28 1986-09-03 Omron Tateisi Electronics Co 近接スイツチ
DE3704893A1 (de) * 1987-02-17 1988-08-25 Turck Werner Kg Anordnung fuer naeherungsschalter zum schutz gegen signalverfaelschung durch magnetische wechselfelder
DE3722334A1 (de) * 1987-07-07 1989-02-09 Ifm Electronic Gmbh Elektronisches, beruehrungslos arbeitendes schaltgeraet
DE68926829T2 (de) * 1988-04-11 1997-03-06 Omron Tateisi Electronics Co Zweidraht-Sensorsystem mit Mitteln zur Selbstdiagnose
JP2540923B2 (ja) * 1988-11-30 1996-10-09 オムロン株式会社 近接スイッチおよびその発振回路
EP0404065A1 (en) * 1989-06-21 1990-12-27 Omron Corporation Sensor having an oscillation circuit
EP0523563A1 (en) * 1991-07-15 1993-01-20 Omron Corporation Proximity switch
DE4325406B4 (de) * 1992-09-02 2006-02-23 Tiefenbach Gmbh Näherungsschalter
US5469364A (en) * 1993-03-15 1995-11-21 Hughey; Bradley W. Apparatus and methods for measuring and detecting variations in the value of a capacitor
DE4317359A1 (de) * 1993-05-25 1994-12-01 Balluff Gebhard Feinmech Sensor
JP3440566B2 (ja) * 1993-11-08 2003-08-25 オムロン株式会社 近接スイッチ
US5801530A (en) * 1995-04-17 1998-09-01 Namco Controls Corporation Proximity sensor having a non-ferrous metal shield for enhanced sensing range
EP1138118B1 (de) * 1998-12-08 2010-04-28 Baumer Innotec AG Verfahren und vorrichtung zur messung der dämpfung eines lc-schwingungskreises
ATE528858T1 (de) * 2006-07-27 2011-10-15 Pepperl & Fuchs Induktiver näherungsschalter und verfahren zu dessen betrieb
US8319500B2 (en) 2010-05-24 2012-11-27 Honeywell International Inc. Proximity sensor with health monitoring
KR101333403B1 (ko) * 2010-06-10 2013-11-28 파나소닉 주식회사 포지션 센서
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 (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1272363B (de) * 1966-09-17 1968-07-11 Bosch Gmbh Robert Elektronischer Annaeherungsschalter
US3732503A (en) * 1972-02-11 1973-05-08 W Rapp Proximity switch including variable frequency oscillator with ferrite control element
DE2722510A1 (de) * 1977-05-18 1978-11-23 Voll Walter Induktiver initiator
DE2815711A1 (de) * 1978-04-12 1980-01-31 Merten Kg Pulsotronic Elektronisches, beruehrungslos wirkendes schaltgeraet
JPS562575A (en) * 1979-06-21 1981-01-12 Takeo Ueda Proximity detector
DE3004829C2 (de) * 1980-02-09 1982-04-29 Ifm Electronic Gmbh, 4300 Essen Elektronisches, berührungslos arbeitendes Schaltgerät
DE3016821C2 (de) * 1980-05-02 1982-08-12 Honeywell Gmbh, 6000 Frankfurt Elektronischer Näherungsschalter
JPS57157636A (en) * 1981-03-23 1982-09-29 Mitsubishi Electric Corp Proximity switch circuit
DE3120884C1 (de) * 1981-05-26 1982-11-04 Ifm Electronic Gmbh, 4300 Essen Elektronisches,beruehrungslos arbeitendes Schaltgeraet
JPS57199332A (en) * 1981-06-02 1982-12-07 Mitsubishi Electric Corp Proximity switch circuit
US4543527A (en) * 1982-04-12 1985-09-24 Eaton Corporation Proximity switch exhibiting improved start-up characteristics

Also Published As

Publication number Publication date
US4644298A (en) 1987-02-17
DE3573968D1 (en) 1989-11-30
EP0171013B1 (en) 1989-10-25
ATE47636T1 (de) 1989-11-15
EP0171013A1 (en) 1986-02-12
JPS6135620A (ja) 1986-02-20

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term