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Flexible merchandise security element

  • US 6,724,307 B1
  • Filed: 05/23/2000
  • Issued: 04/20/2004
  • Est. Priority Date: 05/25/1999
  • Status: Expired due to Fees
First Claim
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1. A merchandise security element for use in connection with acoustomagnetic merchandise security systems, comprising:

  • a flat section of swingable metal foil;

    a flexible magnetic metal foil; and

    a non-conductive spacer that cannot be magnetized;

    wherein the flat section of swingable metal foil and the flexible magnetic foil are arranged in an overlapping fashion within a predetermined surface region and fixed relative to one another by means of the non-conductive spacer being arranged in between the two metal foils within an overlapping surface region;

    wherein the overlapping surface region and/or mutual distance between the two metal foils is defined according to a desired reaction frequency, wherein the spacer is plastic.

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