Sensor device, vibration detection system, sensor unit, information processing device, vibration detection method, and program
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United States of America Patent
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Mar 20, 2018
Issued Date -
N/A
app pub date -
Sep 27, 2013
filing date -
Sep 28, 2012
priority date (Note) -
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Abstract
A sensor device includes: a first sensor group (13) in which a plurality of first vibration sensors for detecting vibration acceleration in one direction with respect to an object to be detected are arranged to face the same direction; a phase difference calculation unit (220) which, based on a plurality of first signals indicating the vibration acceleration detected by each of the plurality of first vibration sensors included in the first sensor group (13), calculates a first phase difference indicating the phase difference between the plurality of first signals; and an acceleration calculation unit (230) which, using the first phase difference and the plurality of first signals, calculates vibration acceleration in a first direction perpendicular to a surface on which the plurality of first vibration sensors are arranged, and vibration acceleration in a second direction parallel to the surface on which the plurality of first vibration sensors are arranged.
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