Fall detection system using a combination of accelerometer, audio input and magnetometer
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United States of America Patent
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Sep 23, 2014
Grant Date -
Apr 5, 2012
app pub date -
Sep 20, 2011
filing date -
Oct 4, 2010
priority date (Note) -
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Abstract
A wearable device for detecting a user state is disclosed. The wearable device includes an accelerometer for measuring an acceleration of a user, a magnetometer for measuring a magnetic field associated with the user's change of orientation, a microphone for receiving audio, a memory for storing the audio, and at least one processor communicatively connected to the accelerometer, the magnetometer, the microphone, and the memory. The processor is identified to declare a measured acceleration as a suspected user state, and to categorize the suspected user state based on the stored audio as one of an activity of daily life (ADL), a confirmed user state, or an inconclusive event.
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