Method and apparatus for measuring position of the object using microphone
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United States of America Patent
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Mar 19, 2013
Grant Date -
Nov 11, 2010
app pub date -
Jun 18, 2008
filing date -
Jan 15, 2008
priority date (Note) -
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Abstract
Provided is a method and device for measuring a position of an ultrasonic generating device for generating ultrasonic signals and inputting information by using position measurement values of the ultrasonic generating device. Accordingly, a plurality of broadband microphones that can be used as general microphones provided to an electronic device are used in a case where information is input by using an ultrasonic generating device. In this case, a position of the ultrasonic generating device is measured by extracting an ultrasonic signal generated by the ultrasonic generating device from signals received by the broadband microphones, and information is input by using the position of the ultrasonic generating device and a trajectory of the moving ultrasonic generating device.
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