GB1546592A - Inductive proximity detectors - Google Patents

Inductive proximity detectors

Info

Publication number
GB1546592A
GB1546592A GB8152/76A GB815276A GB1546592A GB 1546592 A GB1546592 A GB 1546592A GB 8152/76 A GB8152/76 A GB 8152/76A GB 815276 A GB815276 A GB 815276A GB 1546592 A GB1546592 A GB 1546592A
Authority
GB
United Kingdom
Prior art keywords
inductive proximity
proximity detectors
detectors
inductive
proximity
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
Application number
GB8152/76A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1546592A publication Critical patent/GB1546592A/en
Expired 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
    • H03K17/14—Modifications for compensating variations of physical values, e.g. of temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/145—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using magnetic technology
    • 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
    • H03K17/9502—Measures for increasing reliability
    • 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

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electronic Switches (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Safety Devices In Control Systems (AREA)
GB8152/76A 1975-03-25 1976-03-01 Inductive proximity detectors Expired GB1546592A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7509340A FR2305745A1 (fr) 1975-03-25 1975-03-25 Detecteur de proximite inductif de securite

Publications (1)

Publication Number Publication Date
GB1546592A true GB1546592A (en) 1979-05-23

Family

ID=9153059

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8152/76A Expired GB1546592A (en) 1975-03-25 1976-03-01 Inductive proximity detectors

Country Status (5)

Country Link
JP (1) JPS51119977A (de)
CH (1) CH615007A5 (de)
DE (1) DE2608395A1 (de)
FR (1) FR2305745A1 (de)
GB (1) GB1546592A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2718459A1 (de) * 1977-04-26 1978-11-02 Licentia Gmbh Automatischer naeherungsdetektor fuer raeder schienengebundener fahrzeuge
CH621444A5 (en) * 1977-08-23 1981-01-30 Baumer Electric Ag Electronic safety switch which works without contact
DE3320413A1 (de) * 1983-06-06 1984-12-13 Pepperl & Fuchs Gmbh & Co Kg, 6800 Mannheim Schaltvorrichtung mit einem einen oszillator enthaltenden initiator
DE3418108A1 (de) * 1984-05-16 1985-11-21 Rainer Dipl.-Ing. 7000 Stuttgart Brockmann Werkzeugmaschine mit sicherheitsvorrichtung
DE3912737C2 (de) * 1989-04-19 2001-06-28 Truetzschler Gmbh & Co Kg Vorrichtung zum Sichern für die öffenbaren Teile von Schutzabdeckungen bei Textilmaschinen, insbesondere Spinnereivorbereitungsmaschinen
DE102011004538A1 (de) * 2011-02-22 2012-08-23 Ifm Electronic Gmbh Induktiver Näherungsschalter

Also Published As

Publication number Publication date
JPS51119977A (en) 1976-10-20
FR2305745A1 (fr) 1976-10-22
DE2608395A1 (de) 1976-10-07
FR2305745B1 (de) 1978-02-03
CH615007A5 (en) 1979-12-28

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Legal Events

Date Code Title Description
PS Patent sealed