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Sonar

  • US 20060133210A1
  • Filed: 12/19/2005
  • Published: 06/22/2006
  • Est. Priority Date: 12/20/2004
  • Status: Active Grant
First Claim
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1. A sonar comprising:

  • a transmission circuit for outputting a transmission signal of a predetermined frequency;

    a transducer for emitting an ultrasonic wave into water in response to the transmission signal from the transmission circuit and receiving an echo reflected in the water and converting the echo into an electric signal;

    a tailing signal removing unit for removing a tailing signal caused by the transmission signal from the electric signal including the tailing signal and the echo signal; and

    a display unit for displaying the echo signal from the tailing signal removing unit.

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