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Wireless IC device

  • US 8,390,459 B2
  • Filed: 07/28/2009
  • Issued: 03/05/2013
  • Est. Priority Date: 04/06/2007
  • Status: Expired due to Fees
First Claim
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1. A wireless IC device comprising:

  • a wireless IC chip including a first input/output terminal and a second input/output terminal and being arranged to process transmission and reception signals;

    a loop electrode including a first end connected to the first input/output terminal and a second end connected to the second input/output terminal; and

    a radiation plate arranged to be electrically connected to the loop electrode;

    whereina signal received by the radiation plate drives the wireless IC chip and a response signal from the wireless IC chip is transmitted to outside from the radiation plate; and

    the loop electrode includes neighboring linear electrodes having different line lengths.

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