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Contactless microcircuit card

  • US 5,283,423 A
  • Filed: 02/24/1992
  • Issued: 02/01/1994
  • Est. Priority Date: 03/15/1991
  • Status: Expired due to Term
First Claim
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1. A microcircuit card comprising a card support which has a cavity in which a cover foil is fixed, which foil has a circuit support and at least one circuit arranged on a lower surface of the circuit support facing towards the interior of the cavity, the circuit being provided opposite a first portion of a bottom of the cavity, characterized in that the circuit support comprises on its lower surface at least one energy transfer element arranged opposite a second portion of the bottom of the cavity remote from said first portion.

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