GB2500134B - Hand-held tag detector - Google Patents

Hand-held tag detector

Info

Publication number
GB2500134B
GB2500134B GB1309642.5A GB201309642A GB2500134B GB 2500134 B GB2500134 B GB 2500134B GB 201309642 A GB201309642 A GB 201309642A GB 2500134 B GB2500134 B GB 2500134B
Authority
GB
United Kingdom
Prior art keywords
hand
tag detector
held tag
held
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.)
Expired - Fee Related
Application number
GB1309642.5A
Other versions
GB2500134A (en
GB201309642D0 (en
Inventor
Paul Cox
Mervyn Lear
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.)
Redcliffe Magtronics Ltd
Original Assignee
Redcliffe Magtronics 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 Redcliffe Magtronics Ltd filed Critical Redcliffe Magtronics Ltd
Priority to GB1309642.5A priority Critical patent/GB2500134B/en
Publication of GB201309642D0 publication Critical patent/GB201309642D0/en
Publication of GB2500134A publication Critical patent/GB2500134A/en
Application granted granted Critical
Publication of GB2500134B publication Critical patent/GB2500134B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic 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
    • G08B13/2405—Electronic 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
    • G08B13/2408—Electronic 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 ferromagnetic tags
    • G08B13/2411—Tag deactivation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic 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
    • G08B13/2405—Electronic 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
    • G08B13/2414—Electronic 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
    • G08B13/242—Tag deactivation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic 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
    • G08B13/2405—Electronic 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
    • G08B13/2422—Electronic 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 acoustic or microwave tags
    • G08B13/2425—Tag deactivation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic 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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2471—Antenna signal processing by receiver or emitter
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic 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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2477—Antenna or antenna activator circuit
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic 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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2488—Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Burglar Alarm Systems (AREA)
GB1309642.5A 2009-12-08 2009-12-08 Hand-held tag detector Expired - Fee Related GB2500134B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1309642.5A GB2500134B (en) 2009-12-08 2009-12-08 Hand-held tag detector

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0921496.6A GB2476050B (en) 2009-12-08 2009-12-08 Tag detector
GB1309642.5A GB2500134B (en) 2009-12-08 2009-12-08 Hand-held tag detector

Publications (3)

Publication Number Publication Date
GB201309642D0 GB201309642D0 (en) 2013-07-17
GB2500134A GB2500134A (en) 2013-09-11
GB2500134B true GB2500134B (en) 2014-02-12

Family

ID=41642123

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0921496.6A Expired - Fee Related GB2476050B (en) 2009-12-08 2009-12-08 Tag detector
GB1309642.5A Expired - Fee Related GB2500134B (en) 2009-12-08 2009-12-08 Hand-held tag detector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0921496.6A Expired - Fee Related GB2476050B (en) 2009-12-08 2009-12-08 Tag detector

Country Status (1)

Country Link
GB (2) GB2476050B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4906974A (en) * 1987-04-23 1990-03-06 Durgo Ag Process for deactivating a resonance label, and circuit arrangement for carrying out the process
EP0478092A1 (en) * 1990-09-28 1992-04-01 N.V. Nederlandsche Apparatenfabriek NEDAP Deactivating device
EP0798681A1 (en) * 1996-03-29 1997-10-01 Sensormatic Electronics Corporation Pulsed interrogation signal in harmonic EAS system
WO2000002173A1 (en) * 1998-07-06 2000-01-13 Sensormatic Electronics Corporation Energizing circuit for eas marker deactivation device
WO2001013345A1 (en) * 1999-08-16 2001-02-22 Checkpoint Systems, Inc. Electronic article security system employing variable time shifts
WO2002101677A1 (en) * 2001-06-13 2002-12-19 3M Innovative Properties Company Field creation in a magnetic electronic article surveillance system
US20050275507A1 (en) * 2004-06-10 2005-12-15 Hall Stewart E Deactivator using resonant recharge

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995012870A1 (en) * 1993-11-04 1995-05-11 Knogo Corporation Method and apparatus for automatically desensitizing sensor elements
US7250866B2 (en) * 2005-06-03 2007-07-31 Sensormatic Electronics Corporation Techniques for deactivating electronic article surveillance labels using energy recovery

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4906974A (en) * 1987-04-23 1990-03-06 Durgo Ag Process for deactivating a resonance label, and circuit arrangement for carrying out the process
EP0478092A1 (en) * 1990-09-28 1992-04-01 N.V. Nederlandsche Apparatenfabriek NEDAP Deactivating device
EP0798681A1 (en) * 1996-03-29 1997-10-01 Sensormatic Electronics Corporation Pulsed interrogation signal in harmonic EAS system
WO2000002173A1 (en) * 1998-07-06 2000-01-13 Sensormatic Electronics Corporation Energizing circuit for eas marker deactivation device
WO2001013345A1 (en) * 1999-08-16 2001-02-22 Checkpoint Systems, Inc. Electronic article security system employing variable time shifts
WO2002101677A1 (en) * 2001-06-13 2002-12-19 3M Innovative Properties Company Field creation in a magnetic electronic article surveillance system
US20050275507A1 (en) * 2004-06-10 2005-12-15 Hall Stewart E Deactivator using resonant recharge

Also Published As

Publication number Publication date
GB2500134A (en) 2013-09-11
GB2476050B (en) 2013-11-13
GB201309642D0 (en) 2013-07-17
GB0921496D0 (en) 2010-01-20
GB2476050A (en) 2011-06-15

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Legal Events

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

Effective date: 20161208