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ULTRASONIC SYSTEM AND COMMUNICATION METHOD THEREOF

  • US 20110134725A1
  • Filed: 07/21/2010
  • Published: 06/09/2011
  • Est. Priority Date: 12/03/2009
  • Status: Active Grant
First Claim
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1. An ultrasonic system, comprising:

  • an ultrasonic transmitter used for emitting a transmission signal, which comprises a synchronous burst and a plurality of data bursts; and

    an ultrasonic receiver used for receiving a synchronous echo and determining whether the amplitude of the synchronous echo is larger than a first threshold, wherein if the amplitude of the synchronous echo is larger than the first threshold, then the ultrasonic receiver interprets a plurality of data echoes corresponding to the data bursts to obtain a digital signal.

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