MICROELECTROMECHANICAL SYSTEMS (MEMS) AUDIO SENSOR-BASED PROXIMITY SENSOR
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United States of America Patent
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Issued Date -
Mar 31, 2016
app pub date -
Sep 25, 2014
filing date -
Sep 25, 2014
priority date (Note) -
Abandoned
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Abstract
Microelectromechanical systems (MEMS) acoustic sensors associated with proximity detection are described. Provided implementations can comprise a MEMS acoustic sensor element associated with a transmitter and a receiver. The transmitter transmits acoustic signals for reflection off a surface. The receiver receives the reflected acoustic signals and determines a proximity of the surface. Functions of a device are controlled according to the determined proximity.
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