GB2471493B - Forearm mounted metal detector - Google Patents

Forearm mounted metal detector

Info

Publication number
GB2471493B
GB2471493B GB0911383A GB0911383A GB2471493B GB 2471493 B GB2471493 B GB 2471493B GB 0911383 A GB0911383 A GB 0911383A GB 0911383 A GB0911383 A GB 0911383A GB 2471493 B GB2471493 B GB 2471493B
Authority
GB
United Kingdom
Prior art keywords
detector
control unit
underwater
metal detector
underwater use
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
GB0911383A
Other versions
GB0911383D0 (en
GB2471493A (en
Inventor
Robert Andrew Pearson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0911383A priority Critical patent/GB2471493B/en
Publication of GB0911383D0 publication Critical patent/GB0911383D0/en
Publication of GB2471493A publication Critical patent/GB2471493A/en
Application granted granted Critical
Publication of GB2471493B publication Critical patent/GB2471493B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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

Abstract

A metal detector for underwater use by divers who are more often horizontal when at the seabed and not vertical, which holds itself in place by means of straps 2 and 4 which go over the back of the hand and wrist and indicates the presence of metal objects by means of LED light strips 8. A wire ribbon 5 connects the scanning disc 1, which houses both the transmitting and receiving coil and control unit 3. The detector uses the most popular VLF (very low frequency) technology. The detector can be switched on or off underwater by the power control button 6 on the control unit 3. A 9-volt battery powers the detector, which can be of the rechargeable type as the control unit has a charging point 7. The detector has no handles or earphones with trailing wires as to make underwater use very simple and safe as the detector can be removed instantly should the diver encounter a problem. The detector may also be used by archaeologists, whether under water or not.
GB0911383A 2009-07-01 2009-07-01 Forearm mounted metal detector Expired - Fee Related GB2471493B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0911383A GB2471493B (en) 2009-07-01 2009-07-01 Forearm mounted metal detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0911383A GB2471493B (en) 2009-07-01 2009-07-01 Forearm mounted metal detector

Publications (3)

Publication Number Publication Date
GB0911383D0 GB0911383D0 (en) 2009-08-12
GB2471493A GB2471493A (en) 2011-01-05
GB2471493B true GB2471493B (en) 2013-10-30

Family

ID=41008554

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0911383A Expired - Fee Related GB2471493B (en) 2009-07-01 2009-07-01 Forearm mounted metal detector

Country Status (1)

Country Link
GB (1) GB2471493B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2231157A (en) * 1989-04-12 1990-11-07 Anthony Paul Mcmaster A battery-operated phaseshift metal detector for the underwater environment
US20090231144A1 (en) * 2008-03-11 2009-09-17 James Dahl Stealth Detector Metal Detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2231157A (en) * 1989-04-12 1990-11-07 Anthony Paul Mcmaster A battery-operated phaseshift metal detector for the underwater environment
US20090231144A1 (en) * 2008-03-11 2009-09-17 James Dahl Stealth Detector Metal Detector

Also Published As

Publication number Publication date
GB0911383D0 (en) 2009-08-12
GB2471493A (en) 2011-01-05

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Legal Events

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

Effective date: 20170701