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Ultrasonic system and communication method thereof

  • US 8,422,337 B2
  • Filed: 07/21/2010
  • Issued: 04/16/2013
  • Est. Priority Date: 12/03/2009
  • Status: Expired due to Fees
First Claim
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1. An ultrasonic system, comprising:

  • an ultrasonic transmitter for emitting a transmission signal, the emitted transmission signal including a synchronous burst and a plurality of data bursts, wherein the synchronous burst serves to activate a communication mode, and the data bursts represent data information being transmitted; and

    an ultrasonic receiver 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 back to the data information.

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