VELOCITY MEASURING DEVICE AND METHOD FOR CORRECTING MEASURED VELOCITY
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United States of America Patent
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Issued Date -
Dec 15, 2011
app pub date -
Nov 19, 2010
filing date -
Jun 9, 2010
priority date (Note) -
Abandoned
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Abstract
A velocity measuring device and a measured velocity correcting method are provided. The velocity measuring device includes: a GPS unit that receives a satellite signal from a GPS (Global Positioning System) satellite and generates GPS data including position coordinates and a traveling velocity; an acceleration sensor unit that includes an acceleration sensor and generates sensor data including a traveling velocity and a road slope; and a correction unit that compares the GPS data and the sensor data generated at a current time with the GPS data and the sensor data generated at a previous time and sets the traveling velocity included in the sensor data or the GPS data as a measured velocity depending on whether a variation in traveling velocity exists.
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