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Radio-frequency communication device having a near field communication function, and method of operating the same

  • US 10,044,413 B2
  • Filed: 09/19/2016
  • Issued: 08/07/2018
  • Est. Priority Date: 09/21/2015
  • Status: Active Grant
First Claim
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1. A radio-frequency (RF) communication device having a near field communication (NFC) function, the RF communication device comprising:

  • a first detection mode circuit configured to output an RF input signal received by an antenna as a first RF signal while the first detection mode circuit is enabled, wherein the first detection mode circuit is enabled during a first time period; and

    a second detection mode circuit configured to amplify the RF input signal and output the amplified RF input signal as a second RF signal while the second detection mode circuit is enabled, wherein the second detection mode circuit is enabled during a second time period, and the second time period is shorter than the first time period,wherein the first and second detection mode circuits are enabled alternately and repeatedly.

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