TARGET DETECTION AND TRACKING WITH MULTIPLE ULTRASONIC TRANSDUCERS
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United States of America Patent
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Issued Date -
Oct 31, 2013
app pub date -
Apr 26, 2012
filing date -
Apr 26, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In an ultrasonic detection system utilizing multiple ultrasound transducers capable of both transmitting and receiving detection signals, the transducers are selectively operated to achieve immunity to ringdown delays or to optimize the detection of distant objects. For example, in one embodiment, object detection is performed within the field of a particular transducer channel by suppressing rather than activating that transducer; instead, the adjacent transducers on either side of the selected channel are driven simultaneously, and the selected channel's transducer is used only to receive.
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