GB2263848B - Security apparatus - Google Patents

Security apparatus

Info

Publication number
GB2263848B
GB2263848B GB9300996A GB9300996A GB2263848B GB 2263848 B GB2263848 B GB 2263848B GB 9300996 A GB9300996 A GB 9300996A GB 9300996 A GB9300996 A GB 9300996A GB 2263848 B GB2263848 B GB 2263848B
Authority
GB
United Kingdom
Prior art keywords
security apparatus
security
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
GB9300996A
Other versions
GB9300996D0 (en
GB2263848A (en
Inventor
Ramesh Chandra Patel
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9300996D0 publication Critical patent/GB9300996D0/en
Publication of GB2263848A publication Critical patent/GB2263848A/en
Application granted granted Critical
Publication of GB2263848B publication Critical patent/GB2263848B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
GB9300996A 1992-01-13 1993-01-13 Security apparatus Expired - Fee Related GB2263848B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929200589A GB9200589D0 (en) 1992-01-13 1992-01-13 Security apparatus

Publications (3)

Publication Number Publication Date
GB9300996D0 GB9300996D0 (en) 1993-03-10
GB2263848A GB2263848A (en) 1993-08-04
GB2263848B true GB2263848B (en) 1995-05-31

Family

ID=10708474

Family Applications (2)

Application Number Title Priority Date Filing Date
GB929200589A Pending GB9200589D0 (en) 1992-01-13 1992-01-13 Security apparatus
GB9300996A Expired - Fee Related GB2263848B (en) 1992-01-13 1993-01-13 Security apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB929200589A Pending GB9200589D0 (en) 1992-01-13 1992-01-13 Security apparatus

Country Status (1)

Country Link
GB (2) GB9200589D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030146838A1 (en) * 2000-03-17 2003-08-07 Jones David G Rhys Activation and deactivation of magnetic components
GB0822617D0 (en) * 2008-12-11 2009-01-21 Courtenay Group Security tag deactivation unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4575624A (en) * 1982-12-01 1986-03-11 Rheinmetall Gmbh Arrangement for activating and/or deactivating a marker strip having a magnetizable layer
EP0431745A2 (en) * 1989-12-08 1991-06-12 Minnesota Mining And Manufacturing Company Sensitizer for ferromagnetic markers used with electromagnetic article surveillance systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4575624A (en) * 1982-12-01 1986-03-11 Rheinmetall Gmbh Arrangement for activating and/or deactivating a marker strip having a magnetizable layer
EP0431745A2 (en) * 1989-12-08 1991-06-12 Minnesota Mining And Manufacturing Company Sensitizer for ferromagnetic markers used with electromagnetic article surveillance systems

Also Published As

Publication number Publication date
GB9300996D0 (en) 1993-03-10
GB9200589D0 (en) 1992-03-11
GB2263848A (en) 1993-08-04

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Legal Events

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

Effective date: 20050113