GB9019013D0 - A moving magnetic field detector - Google Patents

A moving magnetic field detector

Info

Publication number
GB9019013D0
GB9019013D0 GB909019013A GB9019013A GB9019013D0 GB 9019013 D0 GB9019013 D0 GB 9019013D0 GB 909019013 A GB909019013 A GB 909019013A GB 9019013 A GB9019013 A GB 9019013A GB 9019013 D0 GB9019013 D0 GB 9019013D0
Authority
GB
United Kingdom
Prior art keywords
magnetic field
field detector
moving magnetic
moving
detector
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.)
Pending
Application number
GB909019013A
Other languages
English (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.)
Leonardo MW Ltd
Original Assignee
GEC Ferranti Defence Systems 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 Ferranti Defence Systems Ltd filed Critical GEC Ferranti Defence Systems Ltd
Priority to GB909019013A priority Critical patent/GB9019013D0/en
Publication of GB9019013D0 publication Critical patent/GB9019013D0/en
Priority to IL99235A priority patent/IL99235A0/xx
Priority to ZA916596A priority patent/ZA916596B/xx
Priority to PCT/GB1991/001451 priority patent/WO1992004645A1/en
Priority to EP91915020A priority patent/EP0498865A1/en
Priority to CA002067730A priority patent/CA2067730A1/en
Priority to AU84329/91A priority patent/AU644683B2/en
Priority to GB9118446A priority patent/GB2249836A/en
Priority to JP3514387A priority patent/JPH05502106A/ja
Priority to BR919105887A priority patent/BR9105887A/pt
Priority to PT98819A priority patent/PT98819A/pt
Priority to MX9100880A priority patent/MX9100880A/es
Priority to CN91109281A priority patent/CN1061189A/zh
Priority to IE306291A priority patent/IE913062A1/en
Priority to NO92921624A priority patent/NO921624L/no
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
GB909019013A 1990-08-31 1990-08-31 A moving magnetic field detector Pending GB9019013D0 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
GB909019013A GB9019013D0 (en) 1990-08-31 1990-08-31 A moving magnetic field detector
IL99235A IL99235A0 (en) 1990-08-31 1991-08-20 Vehicle security system
ZA916596A ZA916596B (en) 1990-08-31 1991-08-20 A moving magnetic field detector vehicle security system
BR919105887A BR9105887A (pt) 1990-08-31 1991-08-28 Sistema de seguranca para veiculo
AU84329/91A AU644683B2 (en) 1990-08-31 1991-08-28 Vehicle security system
EP91915020A EP0498865A1 (en) 1990-08-31 1991-08-28 Vehicle security system
CA002067730A CA2067730A1 (en) 1990-08-31 1991-08-28 Vehicle security system
PCT/GB1991/001451 WO1992004645A1 (en) 1990-08-31 1991-08-28 Vehicle security system
GB9118446A GB2249836A (en) 1990-08-31 1991-08-28 Bomb detecting vehicle security system
JP3514387A JPH05502106A (ja) 1990-08-31 1991-08-28 車両の安全システム
PT98819A PT98819A (pt) 1990-08-31 1991-08-29 Sistema de seguranca para veiculos
MX9100880A MX9100880A (es) 1990-08-31 1991-08-30 Sistema de seguridad para vehiculo
CN91109281A CN1061189A (zh) 1990-08-31 1991-08-30 机动车安全系统
IE306291A IE913062A1 (en) 1990-08-31 1991-08-30 Vehicle security system
NO92921624A NO921624L (no) 1990-08-31 1992-04-27 Sikkerhetsanordning for kjoeretoey

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909019013A GB9019013D0 (en) 1990-08-31 1990-08-31 A moving magnetic field detector

Publications (1)

Publication Number Publication Date
GB9019013D0 true GB9019013D0 (en) 1990-10-17

Family

ID=10681437

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909019013A Pending GB9019013D0 (en) 1990-08-31 1990-08-31 A moving magnetic field detector
GB9118446A Withdrawn GB2249836A (en) 1990-08-31 1991-08-28 Bomb detecting vehicle security system

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9118446A Withdrawn GB2249836A (en) 1990-08-31 1991-08-28 Bomb detecting vehicle security system

Country Status (12)

Country Link
EP (1) EP0498865A1 (pt)
JP (1) JPH05502106A (pt)
CN (1) CN1061189A (pt)
BR (1) BR9105887A (pt)
CA (1) CA2067730A1 (pt)
GB (2) GB9019013D0 (pt)
IE (1) IE913062A1 (pt)
IL (1) IL99235A0 (pt)
MX (1) MX9100880A (pt)
PT (1) PT98819A (pt)
WO (1) WO1992004645A1 (pt)
ZA (1) ZA916596B (pt)

Families Citing this family (4)

* 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
ES2196954B1 (es) * 2001-05-18 2005-11-01 Pedro Garcia Perez Detector de manipulaciones en automoviles.
ES2222784A1 (es) * 2002-10-17 2005-02-01 Proyectos Y Tecnologia Sallen, S.L. Sistema para la deteccion de cargas.
GB0317827D0 (en) * 2003-07-30 2003-09-03 Pw Allen & Company Ltd Inspection/detection device particularly for use under a vehicle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519094A (en) * 1945-10-30 1950-08-15 Lundberg Explorations Ltd Apparatus for detecting magnetic disturbances
US3919704A (en) * 1972-12-04 1975-11-11 Check Mate Systems Inc System and method for detecting unauthorized removal of goods from protected premises, and magnet detecting apparatus suitable for use therein
US4603295A (en) * 1982-07-15 1986-07-29 The United States Of America As Represented By The Secretary Of The Navy Two-headed DC magnetic target proximity sensor
US4639674A (en) * 1983-04-11 1987-01-27 Schonstedt Instrument Company Apparatus and method employing extraneous field compensation for locating current-carrying objects
GB2226636B (en) * 1988-12-05 1993-01-27 Plessey Co Plc Apparatus for sensing the movement of a local magnetic object.
DE3916500A1 (de) * 1989-05-20 1990-11-22 Eberhard Zech Verfahren zur ermittlung des bewegungsablaufes eines gegenstandes, insbesondere eines gegenstandes in einem raum

Also Published As

Publication number Publication date
WO1992004645A1 (en) 1992-03-19
PT98819A (pt) 1993-09-30
IL99235A0 (en) 1992-07-15
JPH05502106A (ja) 1993-04-15
IE913062A1 (en) 1992-03-11
EP0498865A1 (en) 1992-08-19
MX9100880A (es) 1992-04-01
CN1061189A (zh) 1992-05-20
ZA916596B (en) 1992-08-26
GB9118446D0 (en) 1991-10-16
BR9105887A (pt) 1992-10-13
GB2249836A (en) 1992-05-20
CA2067730A1 (en) 1992-03-01

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