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RADIO-FREQUENCY COMMUNICATION DEVICE

  • US 20070072567A1
  • Filed: 11/13/2006
  • Published: 03/29/2007
  • Est. Priority Date: 05/14/2004
  • Status: Active Grant
First Claim
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1. A radio-frequency communication device arranged to transmit a transmitted signal from a transmitter antenna device toward a communication object, and to receive through a receiver antenna device a reply signal transmitted from the communication object, for radio communication with the communication object, said radio-frequency communication device comprising:

  • a transfer-function calculating portion configured to calculate a transfer function indicative of a relationship between a signal input to said transmitter antenna device and a signal generated by said receiver antenna device due to said signal input to said transmitter antenna device; and

    a receiver-circuit-constant setting portion configured to set a receiver-circuit constant for improving a quality of said reply signal received by said receiver antenna device, on the basis of said transfer function calculated by said transfer-function calculating portion, and said signal input to said transmitter antenna device.

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