Method for adjusting displayed navigation direction using sensors and navigation device using the same
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United States of America Patent
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Jul 31, 2012
Grant Date -
Sep 16, 2010
app pub date -
Feb 26, 2010
filing date -
Mar 10, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A method for adjusting displayed map using sensors is disclosed, applied in a navigation device. The method includes steps of: calculating a GPS-based rotating angle of the navigation device based on location information detected by a GPS module of the navigation device when a coordinate error value of the navigation device is less than a predetermined value; using a sensor of the navigation device to detect the sensor-based rotating angle of the navigation device when the coordinate error value of the navigation device is greater than the predetermined value; rotating a map on the screen according to one of the GPS-based rotating angle and the sensor-based rotating angle depending on the coordinate error value.
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