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Data transfer system, wireless communication device, wireless communication method, and computer program

  • US 8,126,035 B2
  • Filed: 10/10/2006
  • Issued: 02/28/2012
  • Est. Priority Date: 08/18/2005
  • Status: Expired due to Fees
First Claim
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1. A data transfer system in which wireless data transmission is carried out between a first device and a second device that each include an ultra wideband (UWB) wireless device which includes an ultra-short-range wideband antenna, the data transfer system comprising:

  • a ranging section, provided in the UWB wireless device of at least one of the first and second devices, configured to measure a distance to the other of the first and second devices;

    a determination section configured to determine, based on a measurement result by the ranging section, whether or not the first device is in or on the second device; and

    a data transfer section configured to establish, using the ultra-short-range wideband antenna, a connection between the first and second devices when the first device is in or on the second device,wherein the ultra-short-range wideband antenna'"'"'s characteristics regarding both a reflection characteristic and coupling characteristic become favorable for the UWB communication in a near field within one wavelength of a frequency used in the UWB communication.

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