Ultrasound sensor and object detecting method thereof

  • US 10,684,367 B2
  • Filed: 06/17/2015
  • Issued: 06/16/2020
  • Est. Priority Date: 11/26/2014
  • Status: Active Grant
First Claim
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1. An ultrasound sensor comprising:

  • a transmitter;

    a receiver; and

    a controller configured to;

    identify a first area in a space,control the transmitter to simultaneously output a plurality of first ultrasound beams having different frequencies to respective first sub-areas of a plurality of first sub-areas that are included in the first area,control the receiver to receive a first reflection signal from an object reflecting the plurality of ultrasound beams, andidentify whether the object is included in each of the plurality of first sub-areas, based on the first reflection signal.

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