AU3549571A - Improvements in or relating to underwater metal detectors - Google Patents

Improvements in or relating to underwater metal detectors

Info

Publication number
AU3549571A
AU3549571A AU35495/71A AU3549571A AU3549571A AU 3549571 A AU3549571 A AU 3549571A AU 35495/71 A AU35495/71 A AU 35495/71A AU 3549571 A AU3549571 A AU 3549571A AU 3549571 A AU3549571 A AU 3549571A
Authority
AU
Australia
Prior art keywords
relating
metal detectors
underwater metal
underwater
detectors
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
AU35495/71A
Inventor
John Foster Eric
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.)
Foster E J
Original Assignee
Foster E J
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 Foster E J filed Critical Foster E J
Publication of AU3549571A publication Critical patent/AU3549571A/en
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
    • G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
AU35495/71A 1970-11-10 1971-11-09 Improvements in or relating to underwater metal detectors Expired AU3549571A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5349870 1970-11-10
GBGB53498/70 1970-11-10

Publications (1)

Publication Number Publication Date
AU3549571A true AU3549571A (en) 1973-05-17

Family

ID=10468026

Family Applications (1)

Application Number Title Priority Date Filing Date
AU35495/71A Expired AU3549571A (en) 1970-11-10 1971-11-09 Improvements in or relating to underwater metal detectors

Country Status (2)

Country Link
AU (1) AU3549571A (en)
GB (1) GB1315684A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030026A (en) * 1974-11-25 1977-06-14 White's Electronics, Inc. Sampling metal detector
US4249128A (en) * 1978-02-06 1981-02-03 White's Electronics, Inc. Wide pulse gated metal detector with improved noise rejection
GB2201759B (en) * 1978-03-11 1989-01-11 Emi Ltd Improvements in or relating to fuzing arrangements
US4517511A (en) * 1981-10-16 1985-05-14 Fairchild Camera And Instrument Corporation Current probe signal processing circuit employing sample and hold technique to locate circuit faults
GB2139017A (en) * 1983-04-30 1984-10-31 Michael Anthony Thomas A modular interconnector
GB2158241A (en) * 1984-04-26 1985-11-06 Richard Edwin Byrne Detector for detecting filler in vehicle bodies
SE451886B (en) * 1986-10-10 1987-11-02 Sten Linder SET AND DEVICE FOR SOUND-FREE SEAT OF SIZES OF OR CONNECTED TO ELECTRICALLY CONDUCTIVE MATERIAL
GB8828675D0 (en) * 1988-12-08 1989-01-11 Protovale Oxford Ltd Instrument for locating & measuring reinforcing bars
FI84208C (en) * 1989-01-31 1991-10-25 Outokumpu Oy Method for detecting metal objects
US5537041A (en) * 1989-03-29 1996-07-16 Bhc Consulting Pty Ltd Discriminating time domain conducting metal detector utilizing multi-period rectangular transmitted pulses
GB2231157A (en) * 1989-04-12 1990-11-07 Anthony Paul Mcmaster A battery-operated phaseshift metal detector for the underwater environment
US5863445A (en) * 1997-03-27 1999-01-26 Control Screening L.L.C. Etched coil unibody digital detector
DE202008014830U1 (en) 2008-11-07 2009-06-10 Ing. Klaus Ebinger Sensor operating head
CN114114450A (en) * 2021-12-06 2022-03-01 李婷婷 Natural resource detection device and detection method
CN115586567B (en) * 2022-11-01 2023-07-18 西安管畅环保科技有限公司 Buried nonmetallic pipeline acoustic wave detection device based on acoustic velocity factor

Also Published As

Publication number Publication date
GB1315684A (en) 1973-05-02

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