FR2187128A5 - - Google Patents

Info

Publication number
FR2187128A5
FR2187128A5 FR7144476A FR7144476A FR2187128A5 FR 2187128 A5 FR2187128 A5 FR 2187128A5 FR 7144476 A FR7144476 A FR 7144476A FR 7144476 A FR7144476 A FR 7144476A FR 2187128 A5 FR2187128 A5 FR 2187128A5
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.)
Expired
Application number
FR7144476A
Other languages
French (fr)
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.)
Tagmaster France SA
Original Assignee
Balogh SA
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 Balogh SA filed Critical Balogh SA
Priority to FR7144476A priority Critical patent/FR2187128A5/fr
Application granted granted Critical
Publication of FR2187128A5 publication Critical patent/FR2187128A5/fr
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
    • H03K17/94—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
    • H03K17/954—Proximity switches using a magnetic detector using inductive coils in a resonant circuit controlled by an oscillatory signal
    • 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
    • G01V3/104—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 using several coupled or uncoupled coils
    • G01V3/105—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 using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops
    • G01V3/107—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 using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops using compensating coil or loop arrangements

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)
FR7144476A 1971-12-10 1971-12-10 Expired FR2187128A5 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7144476A FR2187128A5 (ja) 1971-12-10 1971-12-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7144476A FR2187128A5 (ja) 1971-12-10 1971-12-10

Publications (1)

Publication Number Publication Date
FR2187128A5 true FR2187128A5 (ja) 1974-01-11

Family

ID=9087292

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7144476A Expired FR2187128A5 (ja) 1971-12-10 1971-12-10

Country Status (1)

Country Link
FR (1) FR2187128A5 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0286842A2 (en) * 1987-03-13 1988-10-19 Glory Kogyo Kabushiki Kaisha Multichannel type head
EP0304272A2 (en) * 1987-08-17 1989-02-22 Sigma Limited Inductive proximity sensor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0286842A2 (en) * 1987-03-13 1988-10-19 Glory Kogyo Kabushiki Kaisha Multichannel type head
EP0286842A3 (en) * 1987-03-13 1991-10-30 Glory Kogyo Kabushiki Kaisha Multichannel type head
EP0304272A2 (en) * 1987-08-17 1989-02-22 Sigma Limited Inductive proximity sensor
EP0304272A3 (en) * 1987-08-17 1990-11-22 Sigma Limited Inductive proximity sensor

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Legal Events

Date Code Title Description
ST Notification of lapse