Motion detecting device, motion detecting sensor unit and motion detection method
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United States of America Patent
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Aug 25, 2020
Grant Date -
Nov 30, 2017
app pub date -
May 22, 2017
filing date -
May 24, 2016
priority date (Note) -
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Abstract
A motion detecting device includes an accelerometer configured to generate gravitational acceleration readings associated respectively with consecutive time segments, an angular acceleration sensor and configured to generate angular acceleration readings, and a processor operable in one of a standby mode and an active mode. When operated in the standby mode, the processor activates the accelerometer, deactivates the angular acceleration sensor, and determines whether the user is in a substantial moving state. When determined that the user is in the substantial moving state, the processor switches to the active mode to activate both the accelerometer and said angular acceleration sensor, in order to determine the motion of the user.
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