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GB2301986B - A metal detector - Google Patents

A metal detector

Info

Publication number
GB2301986B
GB2301986B GB9511290A GB9511290A GB2301986B GB 2301986 B GB2301986 B GB 2301986B GB 9511290 A GB9511290 A GB 9511290A GB 9511290 A GB9511290 A GB 9511290A GB 2301986 B GB2301986 B GB 2301986B
Authority
GB
United Kingdom
Prior art keywords
metal detector
detector
metal
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 - Fee Related
Application number
GB9511290A
Other versions
GB9511290D0 (en
GB2301986A (en
Inventor
Christopher Dennis Conway
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.)
CAPCON CONSULTANCIES Ltd
Original Assignee
CAPCON CONSULTANCIES 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 CAPCON CONSULTANCIES Ltd filed Critical CAPCON CONSULTANCIES Ltd
Priority to GB9511290A priority Critical patent/GB2301986B/en
Publication of GB9511290D0 publication Critical patent/GB9511290D0/en
Publication of GB2301986A publication Critical patent/GB2301986A/en
Application granted granted Critical
Publication of GB2301986B publication Critical patent/GB2301986B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Headphones And Earphones (AREA)
GB9511290A 1995-06-05 1995-06-05 A metal detector Expired - Fee Related GB2301986B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9511290A GB2301986B (en) 1995-06-05 1995-06-05 A metal detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9511290A GB2301986B (en) 1995-06-05 1995-06-05 A metal detector

Publications (3)

Publication Number Publication Date
GB9511290D0 GB9511290D0 (en) 1995-08-02
GB2301986A GB2301986A (en) 1996-12-18
GB2301986B true GB2301986B (en) 1998-12-30

Family

ID=10775503

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9511290A Expired - Fee Related GB2301986B (en) 1995-06-05 1995-06-05 A metal detector

Country Status (1)

Country Link
GB (1) GB2301986B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19921556C2 (en) * 1999-05-11 2003-04-10 Alfred Doerle Method for locating leaks on flat roofs or the like
GB2423671B (en) * 2005-02-21 2010-02-10 Highland Innovation Ct Ltd Improved universal multi frequency radio adaptor for metal detectors
CN104237955A (en) * 2014-09-25 2014-12-24 深圳市拓迈电子有限公司 Metal detector
US9690005B2 (en) * 2014-09-26 2017-06-27 Shenzhen Checkpoint Security Electronics Co., Ltd Wireless metal detector having headset with display and camera

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769575A (en) * 1971-06-30 1973-10-30 Tanner Electronic Syst Technol Metal detector using radio receiver and r-f probe
US4439734A (en) * 1980-06-23 1984-03-27 Weber Harold J Metal object locator including frequency shift detector
EP0613320A2 (en) * 1989-03-20 1994-08-31 Sony Corporation Wireless headphones

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769575A (en) * 1971-06-30 1973-10-30 Tanner Electronic Syst Technol Metal detector using radio receiver and r-f probe
US4439734A (en) * 1980-06-23 1984-03-27 Weber Harold J Metal object locator including frequency shift detector
EP0613320A2 (en) * 1989-03-20 1994-08-31 Sony Corporation Wireless headphones

Also Published As

Publication number Publication date
GB9511290D0 (en) 1995-08-02
GB2301986A (en) 1996-12-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000605