JPH0357650B2 - - Google Patents

Info

Publication number
JPH0357650B2
JPH0357650B2 JP4615584A JP4615584A JPH0357650B2 JP H0357650 B2 JPH0357650 B2 JP H0357650B2 JP 4615584 A JP4615584 A JP 4615584A JP 4615584 A JP4615584 A JP 4615584A JP H0357650 B2 JPH0357650 B2 JP H0357650B2
Authority
JP
Japan
Prior art keywords
output
oscillation
circuit
proximity switch
resistor
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
JP4615584A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60190021A (ja
Inventor
Kyoshi Myamoto
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 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 Omron Corp filed Critical Omron Corp
Priority to JP4615584A priority Critical patent/JPS60190021A/ja
Priority to US06/709,760 priority patent/US4638262A/en
Publication of JPS60190021A publication Critical patent/JPS60190021A/ja
Publication of JPH0357650B2 publication Critical patent/JPH0357650B2/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
    • 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
    • H03K17/14—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
    • H03K17/16—Modifications for eliminating interference voltages or currents
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Electronic Switches (AREA)
JP4615584A 1984-03-09 1984-03-09 近接スイッチ Granted JPS60190021A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4615584A JPS60190021A (ja) 1984-03-09 1984-03-09 近接スイッチ
US06/709,760 US4638262A (en) 1984-03-09 1985-03-08 Proximity switch with improved response time and antimagnetic field circuitry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4615584A JPS60190021A (ja) 1984-03-09 1984-03-09 近接スイッチ

Publications (2)

Publication Number Publication Date
JPS60190021A JPS60190021A (ja) 1985-09-27
JPH0357650B2 true JPH0357650B2 (en]) 1991-09-02

Family

ID=12739097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4615584A Granted JPS60190021A (ja) 1984-03-09 1984-03-09 近接スイッチ

Country Status (1)

Country Link
JP (1) JPS60190021A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8374545B2 (en) * 2009-09-02 2013-02-12 Qualcomm Incorporated De-tuning in wireless power reception

Also Published As

Publication number Publication date
JPS60190021A (ja) 1985-09-27

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term