IT8025523A0 - ELECTRONIC SWITCHING EQUIPMENT, OPERATING WITHOUT MECHANICAL CONTACT. - Google Patents

ELECTRONIC SWITCHING EQUIPMENT, OPERATING WITHOUT MECHANICAL CONTACT.

Info

Publication number
IT8025523A0
IT8025523A0 IT8025523A IT2552380A IT8025523A0 IT 8025523 A0 IT8025523 A0 IT 8025523A0 IT 8025523 A IT8025523 A IT 8025523A IT 2552380 A IT2552380 A IT 2552380A IT 8025523 A0 IT8025523 A0 IT 8025523A0
Authority
IT
Italy
Prior art keywords
operating
mechanical contact
switching equipment
electronic switching
electronic
Prior art date
Application number
IT8025523A
Other languages
Italian (it)
Other versions
IT1149229B (en
Inventor
Robert Buck
Gerd Marhofer
Original Assignee
Buck Robert Neukirch Rep Fed D
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 Buck Robert Neukirch Rep Fed D filed Critical Buck Robert Neukirch Rep Fed D
Publication of IT8025523A0 publication Critical patent/IT8025523A0/en
Application granted granted Critical
Publication of IT1149229B publication Critical patent/IT1149229B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/101—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
    • 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
    • H03K17/9505—Constructional details

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Electronic Switches (AREA)
IT25523/80A 1979-10-31 1980-10-23 ELECTRONIC MANEUVERING EQUIPMENT, OPERATING WITHOUT MECHANICAL CONTACT IT1149229B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2943911A DE2943911B1 (en) 1979-10-31 1979-10-31 Electronic, non-contact switching device

Publications (2)

Publication Number Publication Date
IT8025523A0 true IT8025523A0 (en) 1980-10-23
IT1149229B IT1149229B (en) 1986-12-03

Family

ID=6084787

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25523/80A IT1149229B (en) 1979-10-31 1980-10-23 ELECTRONIC MANEUVERING EQUIPMENT, OPERATING WITHOUT MECHANICAL CONTACT

Country Status (6)

Country Link
JP (1) JPS56107640A (en)
DE (1) DE2943911B1 (en)
FR (1) FR2469048A1 (en)
GB (1) GB2062242A (en)
IT (1) IT1149229B (en)
SE (1) SE8006315L (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0395770A3 (en) * 1980-10-29 1991-06-05 Square D Company Proximity switch
DE3244507C2 (en) * 1981-12-08 1986-02-27 Werner Turck Gmbh & Co Kg, 5884 Halver Magnetic field dependent inductive proximity switch
US4678994A (en) * 1984-06-27 1987-07-07 Digital Products Corporation Methods and apparatus employing apparent resonant properties of thin conducting materials
DE3427498C2 (en) * 1984-07-26 1986-08-07 Ifm Electronic Gmbh, 4300 Essen Electronic, preferably non-contact switching device
DE3438998A1 (en) * 1984-10-25 1986-04-30 Werner Turck Gmbh & Co Kg, 5884 Halver Inductive proximity switch which can be installed flush in a metal wall
DE3722334A1 (en) * 1987-07-07 1989-02-09 Ifm Electronic Gmbh ELECTRONIC, CONTACTLESS SWITCHGEAR
DE3722335A1 (en) * 1987-07-07 1989-01-19 Ifm Electronic Gmbh ELECTRONIC, PREFERABLY CONTACTLESS SWITCHGEAR
DE4111297C1 (en) * 1991-04-08 1992-06-17 Ifm Electronic Gmbh, 4300 Essen, De
DE4023529C3 (en) * 1990-06-11 1995-12-07 Ifm Electronic Gmbh Inductive, capacitive or optical proximity switch
DE4023502A1 (en) * 1990-07-24 1992-02-06 Ifm Electronic Gmbh Electronic switch with e.g. opto-electronic proximity sensor
DE4114763C1 (en) * 1991-05-06 1992-11-05 Ifm Electronic Gmbh, 4300 Essen, De

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3292052A (en) * 1963-09-19 1966-12-13 Cutler Hammer Inc Proximity switching system
GB1078176A (en) * 1964-10-13 1967-08-02 Tesla Np Inductive measuring device
US3469015A (en) * 1967-01-13 1969-09-23 Sierracin Corp Conductive panel
GB1195782A (en) * 1967-09-05 1970-06-24 Eltra Corp Electronic Conductor Detector and Indicator
FR1592392A (en) * 1968-11-20 1970-05-11
DE1966213B2 (en) * 1969-10-10 1974-01-17 Ifm Electronic Geraete Gmbh & Co Kg, 4300 Essen Electronic, contactless working distance indicator. Eliminated from: 1951137
US3659194A (en) * 1970-11-25 1972-04-25 Alfred A Blackerby Magnetic sensor having a heat treated housing for collimating the sensor{40 s flux
DE2220944C2 (en) * 1972-04-28 1974-02-14 Guenther Dipl.-Ing. 2209 Sushoern Weber Electronic, contactless switching device
JPS523706Y2 (en) * 1973-09-14 1977-01-26

Also Published As

Publication number Publication date
IT1149229B (en) 1986-12-03
FR2469048A1 (en) 1981-05-08
GB2062242A (en) 1981-05-20
JPS56107640A (en) 1981-08-26
SE8006315L (en) 1981-05-01
DE2943911B1 (en) 1981-06-04

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