GB2313745B - Spatial magnetic interrogation - Google Patents

Spatial magnetic interrogation

Info

Publication number
GB2313745B
GB2313745B GB9713224A GB9713224A GB2313745B GB 2313745 B GB2313745 B GB 2313745B GB 9713224 A GB9713224 A GB 9713224A GB 9713224 A GB9713224 A GB 9713224A GB 2313745 B GB2313745 B GB 2313745B
Authority
GB
United Kingdom
Prior art keywords
spatial magnetic
magnetic interrogation
interrogation
spatial
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
GB9713224A
Other versions
GB2313745A (en
GB9713224D0 (en
Inventor
Andrew Nicholas Dames
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.)
Flying Null Ltd
Original Assignee
Flying Null 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
Priority to GB9506909A priority Critical patent/GB9506909D0/en
Application filed by Flying Null Ltd filed Critical Flying Null Ltd
Priority to GB9713224A priority patent/GB2313745B/en
Priority to PCT/GB1996/000823 priority patent/WO1996031790A1/en
Publication of GB9713224D0 publication Critical patent/GB9713224D0/en
Publication of GB2313745A publication Critical patent/GB2313745A/en
Application granted granted Critical
Publication of GB2313745B publication Critical patent/GB2313745B/en
Anticipated expiration legal-status Critical
Application status is Expired - Fee Related legal-status Critical

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2451Specific applications combined with EAS
    • G08B13/246Check out systems combined with EAS, e.g. price information stored on EAS tag
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
    • G01V15/00Tags attached to, or associated with, an object, in order to enable detection of the object
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2405Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
    • G08B13/2414Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using inductive tags
    • G08B13/2417Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using inductive tags having a radio frequency identification chip
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428Tag details
    • G08B13/2434Tag housing and attachment details
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428Tag details
    • G08B13/2437Tag layered structure, processes for making layered tags
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428Tag details
    • G08B13/2437Tag layered structure, processes for making layered tags
    • G08B13/2442Tag materials and material properties thereof, e.g. magnetic material details
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2451Specific applications combined with EAS
    • G08B13/2462Asset location systems combined with EAS
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468Antenna in system and the related signal processing
    • G08B13/2471Antenna signal processing by receiver or emitter
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468Antenna in system and the related signal processing
    • G08B13/2474Antenna or antenna activator geometry, arrangement or layout
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468Antenna in system and the related signal processing
    • G08B13/2477Antenna or antenna activator circuit
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2485Simultaneous detection of multiple EAS tags
GB9713224A 1995-04-04 1996-04-03 Spatial magnetic interrogation Expired - Fee Related GB2313745B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9506909A GB9506909D0 (en) 1995-04-04 1995-04-04 Spatial magnetic interrogation system
GB9713224A GB2313745B (en) 1995-04-04 1996-04-03 Spatial magnetic interrogation
PCT/GB1996/000823 WO1996031790A1 (en) 1995-04-04 1996-04-03 Spatial magnetic interrogation

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9801600A GB2322770B (en) 1995-04-04 1996-04-03 Device for reading magnetic tags
GB9713224A GB2313745B (en) 1995-04-04 1996-04-03 Spatial magnetic interrogation
GB9801486A GB2322769B (en) 1995-04-04 1996-04-03 Magnetic coding of articles
GB9801601A GB2322048B (en) 1995-04-04 1996-04-03 Apparatus for interrogating magnetic tags
GB9801603A GB2322049B (en) 1995-04-04 1996-04-03 Magnetic markers or tags

Publications (3)

Publication Number Publication Date
GB9713224D0 GB9713224D0 (en) 1997-08-27
GB2313745A GB2313745A (en) 1997-12-03
GB2313745B true GB2313745B (en) 1999-11-10

Family

ID=26306807

Family Applications (5)

Application Number Title Priority Date Filing Date
GB9801600A Expired - Fee Related GB2322770B (en) 1995-04-04 1996-04-03 Device for reading magnetic tags
GB9713224A Expired - Fee Related GB2313745B (en) 1995-04-04 1996-04-03 Spatial magnetic interrogation
GB9801603A Expired - Fee Related GB2322049B (en) 1995-04-04 1996-04-03 Magnetic markers or tags
GB9801486A Expired - Fee Related GB2322769B (en) 1995-04-04 1996-04-03 Magnetic coding of articles
GB9801601A Expired - Fee Related GB2322048B (en) 1995-04-04 1996-04-03 Apparatus for interrogating magnetic tags

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9801600A Expired - Fee Related GB2322770B (en) 1995-04-04 1996-04-03 Device for reading magnetic tags

Family Applications After (3)

Application Number Title Priority Date Filing Date
GB9801603A Expired - Fee Related GB2322049B (en) 1995-04-04 1996-04-03 Magnetic markers or tags
GB9801486A Expired - Fee Related GB2322769B (en) 1995-04-04 1996-04-03 Magnetic coding of articles
GB9801601A Expired - Fee Related GB2322048B (en) 1995-04-04 1996-04-03 Apparatus for interrogating magnetic tags

Country Status (1)

Country Link
GB (5) GB2322770B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE515182C2 (en) * 1998-06-18 2001-06-25 Rso Corp Method and system for remote detection of objects
GB9923199D0 (en) * 1999-10-01 1999-12-01 Sentec Ltd Magnetic data tags
GB0323349D0 (en) 2003-10-06 2003-11-05 Linksure Ltd Verification means
EP2081191A1 (en) 2008-01-21 2009-07-22 Tecnicas Pantra S.L. Non symmetric devices with alarms for compact discs and similar articles

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4663612A (en) * 1984-02-16 1987-05-05 Sigma Security Inc. Pattern-comparing security tag detection system
US4751516A (en) * 1985-01-10 1988-06-14 Lichtblau G J Antenna system for magnetic and resonant circuit detection
WO1989006810A1 (en) * 1988-01-15 1989-07-27 Scientific Generics Limited Installation and detection method for concealed objects
US5017907A (en) * 1990-01-16 1991-05-21 Pitney Bowes Inc. Double pulse magnetic markers
EP0295028B1 (en) * 1987-06-08 1993-04-14 Esselte Meto International GmbH Magnetic devices

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1593377A (en) * 1976-12-10 1981-07-15 Emi Ltd Security document and system
GB1599120A (en) * 1978-05-19 1981-09-30 Philips Electronic Associated Detection system
GB8817855D0 (en) * 1988-07-27 1988-09-01 Emi Plc Thorn Electromagnetic identification system
US5241163A (en) * 1991-06-24 1993-08-31 Kleen-Tex Industries, Inc. Article identification apparatus and method using a ferromagnetic tag
GB9302757D0 (en) * 1993-02-11 1993-03-24 Esselte Meto Int Gmbh Method and system for detecting a marker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4663612A (en) * 1984-02-16 1987-05-05 Sigma Security Inc. Pattern-comparing security tag detection system
US4751516A (en) * 1985-01-10 1988-06-14 Lichtblau G J Antenna system for magnetic and resonant circuit detection
EP0295028B1 (en) * 1987-06-08 1993-04-14 Esselte Meto International GmbH Magnetic devices
WO1989006810A1 (en) * 1988-01-15 1989-07-27 Scientific Generics Limited Installation and detection method for concealed objects
US5017907A (en) * 1990-01-16 1991-05-21 Pitney Bowes Inc. Double pulse magnetic markers

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
cont.../ "Principles of a magnetic method for labelling moving targets" pg 2988, col 1 line 29- *
cont../ line 54, see pg 2990, col 1, line 6 - col 2 line 44 *
IEEE TRANS ON MAGNETICS, vol 17, no 6 Nov 1981, New York, pg2988-2990, XP002008885 G COUDERCHON EA: *

Also Published As

Publication number Publication date
GB2313745A (en) 1997-12-03
GB2322048B (en) 1999-11-10
GB2322770A (en) 1998-09-02
GB9801603D0 (en) 1998-03-25
GB9801600D0 (en) 1998-03-25
GB2322769A (en) 1998-09-02
GB2322048A (en) 1998-08-12
GB2322049A (en) 1998-08-12
GB9801486D0 (en) 1998-03-18
GB2322769B (en) 1999-11-10
GB2322770B (en) 1999-02-17
GB9713224D0 (en) 1997-08-27
GB2322049B (en) 1999-11-10
GB9801601D0 (en) 1998-03-25

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Legal Events

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

Effective date: 20110403