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Receiving system for use in near field communication and mode detection method therefore

  • US 8,537,907 B2
  • Filed: 12/20/2010
  • Issued: 09/17/2013
  • Est. Priority Date: 02/23/2010
  • Status: Active Grant
First Claim
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1. A method of detecting a communication mode, comprising:

  • receiving a communication frame pattern of data transmitted from a near field communication (NFC) initiator in accordance with a predetermined sampling clock;

    detecting a communication mode indicating which one of a predetermined plurality of NFC protocols includes the communication frame pattern by analyzing a start pattern out of the communication frame pattern;

    wherein the start pattern includes an S pattern corresponding to a TYPEA 106 protocol, and when the start pattern is analyzed, 1 bit of data behind the S pattern is further analyzed to detect the communication mode.

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