AU7724394A - Device and method for deactivating magnetic security strips - Google Patents

Device and method for deactivating magnetic security strips

Info

Publication number
AU7724394A
AU7724394A AU77243/94A AU7724394A AU7724394A AU 7724394 A AU7724394 A AU 7724394A AU 77243/94 A AU77243/94 A AU 77243/94A AU 7724394 A AU7724394 A AU 7724394A AU 7724394 A AU7724394 A AU 7724394A
Authority
AU
Australia
Prior art keywords
magnetic security
security strips
deactivating magnetic
deactivating
strips
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.)
Abandoned
Application number
AU77243/94A
Inventor
Dexing Pang
Peter Y Zhou
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.)
Knogo Corp
Original Assignee
Knogo Corp
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 Knogo Corp filed Critical Knogo Corp
Publication of AU7724394A publication Critical patent/AU7724394A/en
Abandoned 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/006—Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material
AU77243/94A 1993-09-16 1994-09-13 Device and method for deactivating magnetic security strips Abandoned AU7724394A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US121561 1987-11-17
US12156193A 1993-09-16 1993-09-16
PCT/US1994/010167 WO1995008177A1 (en) 1993-09-16 1994-09-13 Device and method for deactivating magnetic security strips

Publications (1)

Publication Number Publication Date
AU7724394A true AU7724394A (en) 1995-04-03

Family

ID=22397493

Family Applications (1)

Application Number Title Priority Date Filing Date
AU77243/94A Abandoned AU7724394A (en) 1993-09-16 1994-09-13 Device and method for deactivating magnetic security strips

Country Status (2)

Country Link
AU (1) AU7724394A (en)
WO (1) WO1995008177A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2316230B (en) * 1996-08-08 1999-03-24 Automated Library Systems Limi Apparatus & method for magnetising security targets
FR2793066B1 (en) * 1999-04-28 2001-10-12 Braillon Magnetique Sa PROCESS AND DEVICE FOR DEMAGNETIZING LOW THICKNESS PRODUCTS
DE19947695A1 (en) * 1999-10-04 2001-04-05 Meto International Gmbh Activating large numbers of electronic article security elements involves supplying coil with current pulses very much shorter than mains sinusoidal oscillations and decreasing amplitude
EP1266365A1 (en) * 2000-03-17 2002-12-18 Redcliffe Magtronics Limited Activation and deactivation of magnetic components
US6486782B1 (en) 2000-07-07 2002-11-26 3M Innovative Properties Device for changing the status of dual status magnetic electronic article surveillance markers
US6778087B2 (en) * 2001-06-15 2004-08-17 3M Innovative Properties Company Dual axis magnetic field EAS device
GB0210373D0 (en) * 2002-05-07 2002-06-12 Redcliffe Magtronics Ltd Bulk deactivation of electronic article surveillance
JP4116066B1 (en) * 2007-06-21 2008-07-09 七山 美智賜 Magnetic data erasing device
EP2263242A4 (en) * 2008-03-28 2012-01-04 Shawcor Ltd Demagnetization system and method
CN104807880B (en) * 2015-04-13 2018-03-30 苏州大学 A kind of fastener detecting device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5126720A (en) * 1991-01-17 1992-06-30 Knogo Corporation Method and apparatus for deactivating magnetic targets

Also Published As

Publication number Publication date
WO1995008177A1 (en) 1995-03-23

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AU7724394A (en) Device and method for deactivating magnetic security strips