GB8506603D0 - Metal detecting device - Google Patents

Metal detecting device

Info

Publication number
GB8506603D0
GB8506603D0 GB858506603A GB8506603A GB8506603D0 GB 8506603 D0 GB8506603 D0 GB 8506603D0 GB 858506603 A GB858506603 A GB 858506603A GB 8506603 A GB8506603 A GB 8506603A GB 8506603 D0 GB8506603 D0 GB 8506603D0
Authority
GB
United Kingdom
Prior art keywords
detecting device
metal detecting
metal
detecting
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.)
Withdrawn
Application number
GB858506603A
Other versions
GB2158583A (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.)
PARKWAY INSTR CO OPERATIVE Ltd
Original Assignee
PARKWAY INSTR CO OPERATIVE Ltd
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 PARKWAY INSTR CO OPERATIVE Ltd filed Critical PARKWAY INSTR CO OPERATIVE Ltd
Publication of GB8506603D0 publication Critical patent/GB8506603D0/en
Publication of GB2158583A publication Critical patent/GB2158583A/en
Withdrawn legal-status Critical Current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

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)
  • Geophysics And Detection Of Objects (AREA)
GB08506603A 1984-03-17 1985-03-14 Metal detecting device Withdrawn GB2158583A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848407008A GB8407008D0 (en) 1984-03-17 1984-03-17 Metal detecting device

Publications (2)

Publication Number Publication Date
GB8506603D0 true GB8506603D0 (en) 1985-04-17
GB2158583A GB2158583A (en) 1985-11-13

Family

ID=10558260

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848407008A Pending GB8407008D0 (en) 1984-03-17 1984-03-17 Metal detecting device
GB08506603A Withdrawn GB2158583A (en) 1984-03-17 1985-03-14 Metal detecting device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848407008A Pending GB8407008D0 (en) 1984-03-17 1984-03-17 Metal detecting device

Country Status (1)

Country Link
GB (2) GB8407008D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2716979B1 (en) * 1994-03-04 1996-03-29 Telemecanique Inductive proximity switch.
US6650111B2 (en) * 2001-07-18 2003-11-18 Eaton Corporation Pulsed excited proximity sensor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3263160A (en) * 1962-11-28 1966-07-26 Newmont Mining Corp Time domain electromagnetic induction method and apparatus for detection of massive sulfide ore bodies utilizing pulses of asymmetric waveform
JPS4731652A (en) * 1966-02-22 1972-11-13
FR2408183A1 (en) * 1977-11-03 1979-06-01 Signaux Entr Electriques CONTROLLER OF METAL COINS, AND IN PARTICULAR COINS
CA1145400A (en) * 1978-02-16 1983-04-26 Raymond A. Laperle Ground-isolated electrostatic field detector
GB2064783B (en) * 1979-12-06 1984-10-31 Pitney Bowes Inc Apparatus for measuring the quantity of development powder in a sump
US4464622A (en) * 1982-03-11 1984-08-07 Franklin Robert C Electronic wall stud sensor

Also Published As

Publication number Publication date
GB8407008D0 (en) 1984-04-18
GB2158583A (en) 1985-11-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)