JPS5229979A - Contactless proxim ity switch - Google Patents

Contactless proxim ity switch

Info

Publication number
JPS5229979A
JPS5229979A JP10353476A JP10353476A JPS5229979A JP S5229979 A JPS5229979 A JP S5229979A JP 10353476 A JP10353476 A JP 10353476A JP 10353476 A JP10353476 A JP 10353476A JP S5229979 A JPS5229979 A JP S5229979A
Authority
JP
Japan
Prior art keywords
contactless
proxim ity
switch
ity switch
proxim
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
JP10353476A
Other languages
English (en)
Japanese (ja)
Inventor
Beedetsuka Hansu
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of JPS5229979A publication Critical patent/JPS5229979A/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
    • H03K17/9545—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator with variable frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/14—Modifications for compensating variations of physical values, e.g. of temperature
    • 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
    • H03K17/955—Proximity switches using a capacitive detector

Landscapes

  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Electronic Switches (AREA)
JP10353476A 1975-08-29 1976-08-30 Contactless proxim ity switch Pending JPS5229979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752538531 DE2538531A1 (de) 1975-08-29 1975-08-29 Beruehrungslos arbeitender naeherungsschalter

Publications (1)

Publication Number Publication Date
JPS5229979A true JPS5229979A (en) 1977-03-07

Family

ID=5955159

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10353476A Pending JPS5229979A (en) 1975-08-29 1976-08-30 Contactless proxim ity switch

Country Status (2)

Country Link
JP (1) JPS5229979A (de)
DE (1) DE2538531A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5088542U (de) * 1973-12-20 1975-07-26
DE2840046A1 (de) 1978-09-14 1980-03-27 Asahi Denka Kogyo Kk Kakaobutterersatz
JPS55133716A (en) * 1979-04-06 1980-10-17 Cybernet Electronics Moving article proximity detector

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0124264B2 (de) * 1980-02-04 1989-05-10 Caterpillar Inc
IT1163231B (it) * 1982-04-07 1987-04-08 Int Standard Electric Corp Tastiera senza contatti includente una matrice di tasti
DE3221888A1 (de) * 1982-06-09 1983-12-15 Siemens AG, 1000 Berlin und 8000 München Elektronisches, beruehrungslos arbeitendes schaltgeraet
DE3228524C2 (de) * 1982-07-30 1985-05-02 Siemens AG, 1000 Berlin und 8000 München Induktiver Annäherungsschalter
DE3400575A1 (de) * 1984-01-10 1985-07-18 Feldmühle AG, 4000 Düsseldorf Durch gleichspannung mittels eines kapazitiven naeherungsschalters betaetigbare ausgabevorrichtung
EP0751403A1 (de) * 1995-06-30 1997-01-02 Carlo Gavazzi AG Kombinierter Sensor
US6750624B2 (en) 2001-10-17 2004-06-15 Delphi Technologies, Inc. Non-contact obstacle detection system utilizing ultra sensitive capacitive sensing
US6777958B2 (en) 2001-10-17 2004-08-17 Delphi Technologies, Inc. Method and apparatus for detecting a change in capacitance of a capacitive proximity sensor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5088542U (de) * 1973-12-20 1975-07-26
DE2840046A1 (de) 1978-09-14 1980-03-27 Asahi Denka Kogyo Kk Kakaobutterersatz
JPS55133716A (en) * 1979-04-06 1980-10-17 Cybernet Electronics Moving article proximity detector

Also Published As

Publication number Publication date
DE2538531A1 (de) 1977-03-10

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