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ANTENNA SUBSTRATE FOR NON-CONTACT COMMUNICATION APPARATUS AND NON-CONTACT COMMUNICATION APPARATUS

  • US 20090091501A1
  • Filed: 09/25/2008
  • Published: 04/09/2009
  • Est. Priority Date: 10/03/2007
  • Status: Active Grant
First Claim
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1. An antenna substrate for a non-contact communication apparatus, the antenna substrate comprising:

  • a support substrate; and

    an antenna coil, provided on or inside of the support substrate, having a first opening and an auxiliary coil, the auxiliary coil having a second opening which has an opening area smaller than that of the first opening,wherein the auxiliary coil is insulated and isolated from the antenna coil, and arranged so that the second opening is opposed to a part of the first opening when viewed from a direction orthogonal to a surface of the support substrate.

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