FR2169080A1 - - Google Patents

Info

Publication number
FR2169080A1
FR2169080A1 FR7301682A FR7301682A FR2169080A1 FR 2169080 A1 FR2169080 A1 FR 2169080A1 FR 7301682 A FR7301682 A FR 7301682A FR 7301682 A FR7301682 A FR 7301682A FR 2169080 A1 FR2169080 A1 FR 2169080A1
Authority
FR
France
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.)
Granted
Application number
FR7301682A
Other languages
French (fr)
Other versions
FR2169080B1 (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 FR2169080A1 publication Critical patent/FR2169080A1/fr
Application granted granted Critical
Publication of FR2169080B1 publication Critical patent/FR2169080B1/fr
Expired legal-status Critical Current

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
    • G01V3/102—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 by measuring amplitude
    • 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
    • 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
    • H03K17/951—Measures for supplying operating voltage to the detector circuit
    • 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
FR7301682A 1972-01-22 1973-01-18 Expired FR2169080B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722203038 DE2203038C3 (en) 1972-01-22 1972-01-22 Electronic, contactless switching device

Publications (2)

Publication Number Publication Date
FR2169080A1 true FR2169080A1 (en) 1973-09-07
FR2169080B1 FR2169080B1 (en) 1976-08-27

Family

ID=5833739

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7301682A Expired FR2169080B1 (en) 1972-01-22 1973-01-18

Country Status (7)

Country Link
JP (1) JPS5416837B2 (en)
CH (1) CH564288A5 (en)
DE (1) DE2203038C3 (en)
FR (1) FR2169080B1 (en)
GB (1) GB1423311A (en)
IT (1) IT978329B (en)
SE (1) SE381543B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2552310B2 (en) * 1974-11-22 1978-05-18 Square D Co., Park Ridge, Ill. (V.St.A.) Proximity switch for series load connection - comprises sensing coil fitted in oscillator circuit whose amplitude triggers controlled rectifier
DE2515654B2 (en) * 1975-04-10 1979-10-18 Klaschka, Walter, Dr.-Ing., 7531 Tiefenbronn Proximity switch
JPS57188291A (en) * 1981-05-14 1982-11-19 Nippon Kentetsu Co Ltd Dehydration control system of washing machine
DE3321838A1 (en) * 1983-06-16 1984-12-20 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for a proximity switch with two connections
GB2195441A (en) * 1986-09-02 1988-04-07 Ritchie Gordon S In-line proximity switch
US4803418A (en) * 1986-09-02 1989-02-07 Ritchie Gordon S In-line electrical switch for AC power supply
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
DE4114763C1 (en) * 1991-05-06 1992-11-05 Ifm Electronic Gmbh, 4300 Essen, De
DE4023502A1 (en) * 1990-07-24 1992-02-06 Ifm Electronic Gmbh Electronic switch with e.g. opto-electronic proximity sensor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3254236A (en) * 1963-11-29 1966-05-31 Gen Electric Voltage sharing circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3254236A (en) * 1963-11-29 1966-05-31 Gen Electric Voltage sharing circuit

Also Published As

Publication number Publication date
DE2203038B2 (en) 1975-03-06
GB1423311A (en) 1976-02-04
SE381543B (en) 1975-12-08
JPS504970A (en) 1975-01-20
JPS5416837B2 (en) 1979-06-25
DE2203038A1 (en) 1973-07-26
FR2169080B1 (en) 1976-08-27
CH564288A5 (en) 1975-07-15
IT978329B (en) 1974-09-20
DE2203038C3 (en) 1975-10-09

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