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Detection tag

  • US 5,734,327 A
  • Filed: 07/31/1995
  • Issued: 03/31/1998
  • Est. Priority Date: 11/27/1992
  • Status: Expired due to Term
First Claim
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1. A detection tag for a resonance detection system, comprising a support consisting of electrically insulating material and a resonant circuit supported thereby, which has an inductive element formed by a conductor track disposed on the support in a predefined pattern, and a capacitive element formed by at least two capacitor electrodes which are kept apart by the support and are constructed as electroconductive electrode regions, the ends of the track being connected to the one and to the other capacitor electrode, respectively, wherein at least one island region (13) is disposed on a first side of the support (1) so as to be adjacent to, and in the same plane as, the conductor track (4) and so as to be separated from a second side of the support, in that one end of the island region is connected to one end of the track, and in that there is present, between the edges thereof facing each other, a discharge gap (12).

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