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Communication device, communication method, program and communication system

  • US 8,401,596 B2
  • Filed: 11/24/2009
  • Issued: 03/19/2013
  • Est. Priority Date: 11/27/2008
  • Status: Active Grant
First Claim
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1. A communication device comprising:

  • an electromagnetic-wave generating means for outputting an electromagnetic wave; and

    a transmitting/receiving means for transmitting data by modulating the electromagnetic wave in accordance with data as well as receiving data transmitted from the other device by demodulating the electromagnetic wave outputted by the electromagnetic-wave generating means or the electromagnetic wave outputted by the other device as the other party of communication,wherein the transmitting/receiving means transmits attribute information indicating communication ability of the device itself as well as receives attribute information indicating communication ability of the other device as the data,the electromagnetic-wave generating means turns off the output of the electromagnetic wave for a given period of time after the transmission of the data based on the attribute information,the attribute information transmitted and received by the transmitting/receiving means includes information concerning the given period of time for which output of the electromagnetic wave is turned off, andthe electromagnetic-wave generating means turns off output of the electromagnetic wave for the given time determined by the attribute information.

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