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Method, system and apparatus for use in article surveillance

  • US 4,686,516 A
  • Filed: 08/01/1985
  • Issued: 08/11/1987
  • Est. Priority Date: 11/26/1984
  • Status: Expired due to Term
First Claim
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1. A method for deactivating an article surveillance marker having a component responsive, in the absence of deactivation, to incident magnetic energy for causing an associated article surveillance system to render an output alarm, said method including the deactivation step of modifying the molecular organization of at least a portion of said component.

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