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Tag device and method for electronic article surveillance

  • US 4,736,207 A
  • Filed: 01/31/1986
  • Issued: 04/05/1988
  • Est. Priority Date: 01/31/1986
  • Status: Expired due to Term
First Claim
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1. In combination, in an elongate tag device for use in a surveillance system for receipt of and concurrent response to a first high frequency signal and a second lower frequency signal transmitted by such system, first and second circuit elements mutually separate, electrically series-connected and of respective different geometries for predominant receipt thereby of said first and second frequency transmitted signals, said first and second circuit elements further being mutually coactive along facing longitudinal extents thereof for enhancing such predominant signal receipts thereby.

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