Activating and deactivating sensors for dead reckoning
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United States of America Patent
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Oct 18, 2016
Grant Date -
Jan 17, 2013
app pub date -
Jul 14, 2011
filing date -
Jul 14, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An identification is made as to when a device is at an anchor location, which can be a proximity zone along an edge of a dead zone or a location where a signal from a beacon is detected. In response to the device being at the anchor location, one or more inertial sensors can be activated and data from the one or more inertial sensors collected to determine a position of the device using dead reckoning. Alternatively, in response to the device being at the anchor location, a determination is made as to when to deactivate one or more inertial sensors from which data is collected to determine the position of the device using dead reckoning.
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