GB9900307D0 - Detecting concealead objects - Google Patents

Detecting concealead objects

Info

Publication number
GB9900307D0
GB9900307D0 GBGB9900307.1A GB9900307A GB9900307D0 GB 9900307 D0 GB9900307 D0 GB 9900307D0 GB 9900307 A GB9900307 A GB 9900307A GB 9900307 D0 GB9900307 D0 GB 9900307D0
Authority
GB
United Kingdom
Prior art keywords
concealead
objects
detecting
detecting concealead
concealead objects
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.)
Granted
Application number
GBGB9900307.1A
Other versions
GB2333158B (en
GB2333158A (en
Inventor
Cyril Smith
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.)
BAE Systems Integrated System Technologies Ltd
Original Assignee
GEC Marconi RDS 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 GEC Marconi RDS Ltd filed Critical GEC Marconi RDS Ltd
Publication of GB9900307D0 publication Critical patent/GB9900307D0/en
Publication of GB2333158A publication Critical patent/GB2333158A/en
Application granted granted Critical
Publication of GB2333158B publication Critical patent/GB2333158B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01V3/088—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 operating with electric fields
    • 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
    • G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current
    • G01V3/06—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current using ac
GB9900307A 1998-01-07 1999-01-07 Detecting concealed objects Expired - Fee Related GB2333158B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9800276.9A GB9800276D0 (en) 1998-01-07 1998-01-07 Mine detector

Publications (3)

Publication Number Publication Date
GB9900307D0 true GB9900307D0 (en) 1999-02-24
GB2333158A GB2333158A (en) 1999-07-14
GB2333158B GB2333158B (en) 2002-10-09

Family

ID=10824934

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9800276.9A Ceased GB9800276D0 (en) 1998-01-07 1998-01-07 Mine detector
GB9900307A Expired - Fee Related GB2333158B (en) 1998-01-07 1999-01-07 Detecting concealed objects

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9800276.9A Ceased GB9800276D0 (en) 1998-01-07 1998-01-07 Mine detector

Country Status (3)

Country Link
AU (1) AU1976799A (en)
GB (2) GB9800276D0 (en)
WO (1) WO1999035514A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPR323001A0 (en) * 2001-02-21 2001-03-15 Macquarie Research Limited An apparatus and method for detecting an object in a medium

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR681670A (en) * 1928-12-05 1930-05-17 Process for producing disseminated currents in the ground with an electromagnetic field of any ellipticity for the study of the geological structure of the subsoil
GB1340198A (en) * 1970-11-03 1973-12-12 Electrolocation Ltd Electromagnetic surveying instruments
SE419269B (en) * 1979-11-29 1981-07-20 Boliden Ab PROCEDURE AND DEVICE FOR DETERMINATION OF THE ELECTRICAL POWER FORM OF THE MARK
US4467283A (en) * 1981-09-23 1984-08-21 Geo-Optics, Ltd. Electrical geophysical exploration system with addressable current probes
GB2132357A (en) * 1982-12-17 1984-07-04 Standard Telephones Cables Ltd Buried object location
DK12291D0 (en) * 1991-01-24 1991-01-24 Kurt I Soerensen MEASURING EQUIPMENT FOR ELECTRIC PROFILING OF A TERRACE
FI910512A (en) * 1991-02-01 1992-08-02 Esko Antero Hirvonen Kontrollsystem.
US5329230A (en) * 1991-07-15 1994-07-12 General Electric Company Carriage for eddy current probe having contact ball engagement between carriage and translation means

Also Published As

Publication number Publication date
AU1976799A (en) 1999-07-26
GB2333158B (en) 2002-10-09
WO1999035514A1 (en) 1999-07-15
GB9800276D0 (en) 1998-03-04
GB2333158A (en) 1999-07-14

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20090827 AND 20090902

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100107