GB9021935D0 - Detecting localised magnetic field changes - Google Patents

Detecting localised magnetic field changes

Info

Publication number
GB9021935D0
GB9021935D0 GB909021935A GB9021935A GB9021935D0 GB 9021935 D0 GB9021935 D0 GB 9021935D0 GB 909021935 A GB909021935 A GB 909021935A GB 9021935 A GB9021935 A GB 9021935A GB 9021935 D0 GB9021935 D0 GB 9021935D0
Authority
GB
United Kingdom
Prior art keywords
magnetic field
field changes
localised magnetic
detecting localised
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Withdrawn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
GB909021935A
Other versions
GB2248692A (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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co 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 Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB9021935A priority Critical patent/GB2248692A/en
Publication of GB9021935D0 publication Critical patent/GB9021935D0/en
Publication of GB2248692A publication Critical patent/GB2248692A/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Withdrawn legal-status Critical Current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
GB9021935A 1990-10-09 1990-10-09 Detecting localised magnetic field changes Withdrawn GB2248692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9021935A GB2248692A (en) 1990-10-09 1990-10-09 Detecting localised magnetic field changes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9021935A GB2248692A (en) 1990-10-09 1990-10-09 Detecting localised magnetic field changes

Publications (2)

Publication Number Publication Date
GB9021935D0 true GB9021935D0 (en) 1990-11-21
GB2248692A GB2248692A (en) 1992-04-15

Family

ID=10683437

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9021935A Withdrawn GB2248692A (en) 1990-10-09 1990-10-09 Detecting localised magnetic field changes

Country Status (1)

Country Link
GB (1) GB2248692A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2320348A (en) * 1996-12-10 1998-06-17 Robert Iain Doig Vehicle booby trap detector
ES2164568B1 (en) * 1998-08-11 2003-05-16 Leiva & Leiva Systems S L DETECTOR WITH DISCRIMINATION OF METAL OBJECTS.
ES2180410B1 (en) * 2001-02-22 2004-09-16 Juan Jose Salamanca De La Barrera LAPA PUMP DETECTOR.
ES2177469B1 (en) * 2001-05-16 2003-12-16 Fico Mirrors Sa DEVICE FOR DETECTION OF PRESENCE OF OBJECTS IN A DEAD ANGLE OF A MOTOR VEHICLE.
US7315321B2 (en) * 2002-03-05 2008-01-01 Leonid Polyakov System of and method for warning about unauthorized objects attached to vehicle bottoms and/or adjoining areas
EP1542194B1 (en) 2002-07-17 2009-05-13 Fico Mirrors, S.A. Device for the active monitoring of the safety perimeter of a motor vehicle
ES2222784A1 (en) * 2002-10-17 2005-02-01 Proyectos Y Tecnologia Sallen, S.L. Detector of e.g. explosives under a motor vehicle includes a strain gauge with an electronic controller and anchors fixed to the vehicle
JP2007514921A (en) 2003-08-18 2007-06-07 フィコ ミロールス，エセ ア System and method for magnetically detecting the presence of an object in a blind spot of an automobile
US9244133B2 (en) 2011-01-13 2016-01-26 Icove And Associates, Llc Handheld devices and structures to detect sticky devices having magnets
US8594979B2 (en) * 2011-01-13 2013-11-26 Icove And Associates, Llc Handheld and imbedded devices to detect sticky devices using magnets

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1280145A (en) * 1968-09-27 1972-07-05 Emi Ltd Formerly Electric & Mu Improvements in or relating to detection of submarine objects
US4228395A (en) * 1969-01-06 1980-10-14 The United States Of America As Represented By The Secretary Of The Navy Feature recognition system
US3971983A (en) * 1972-06-06 1976-07-27 Infinetics, Inc. Ferromagnetic metal detector utilizing gradiometers positioned on opposite sides of the detection area with overlapping sensitivity
DE2722498C3 (en) * 1977-05-18 1982-02-04 Walter Ing.(Grad.) 8728 Hassfurt Voll Device on a motor vehicle for displaying a minimum distance
US4675606A (en) * 1985-07-29 1987-06-23 Suman Ganguly Magnetometers for detecting metallic objects in earth's magnetic field

Also Published As

Publication number Publication date
GB2248692A (en) 1992-04-15

Similar Documents

Publication Publication Date Title
GB2252593B (en) Magnetic lock device
ZA909447B (en) Magnetic massage-therapy device
GB2239295B (en) Magnetic bearings
EP0464892A3 (en) Moving ferromagnetic element detection arrangement
GB2252592B (en) Magnetic lock device
EP0452046A3 (en) Superconductive magnet
EP0450972A3 (en) Superconductive magnet
GB2244134B (en) Superconducting magnet
GB9021935D0 (en) Detecting localised magnetic field changes
EP0594243A3 (en) Magnetic field sensor
EP0450971A3 (en) Superconductive magnet
GB2246400B (en) Magnetic bearings
EP0423743A3 (en) Magnetic toner
GB2246401B (en) Magnetic bearings
EP0411971A3 (en) Three component local magnetic field detector
HK1002524A1 (en) Magnetic display system
GB9306404D0 (en) Magnetic field sensor
EP0490309A3 (en) Magnetic field sensor
EP0565085A3 (en) Magnetic field sensor
GB9016916D0 (en) Magnetic device
GB9219497D0 (en) Magnetic field measurement
GB9013829D0 (en) Magnetic field sensor
GB9021613D0 (en) Magnetic field detector
PL286501A1 (en) Magnetic proximity detector
GB8916853D0 (en) Magnetic field sensor

Legal Events

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