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Method for adjusting the transmission time of a continuous wave and reader thereof

  • US 8,669,850 B2
  • Filed: 09/09/2010
  • Issued: 03/11/2014
  • Est. Priority Date: 09/28/2009
  • Status: Active Grant
First Claim
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1. A method for adjusting a transmission time of a continuous wave (CW), comprising:

  • setting an initial value for a response waiting time;

    sending the CW to a tag after sending a command to the tag and waiting for a response from the tag; and

    judging whether the response from the tag is received within the response waiting time, wherein if the response from the tag is received within the responsewaiting time, then stopping sending the CW, recording a time from sending out the command to receiving the response from the tag and adjusting the response waiting time according to the recorded time; and

    wherein if the response from the tag is not received beyond the response waiting time, then stopping sending of the CW.

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