Vehicle Speed Monitoring Method and Device
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United States of America Patent
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Issued Date -
May 11, 2017
app pub date -
Dec 11, 2015
filing date -
Nov 5, 2015
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Abstract
Embodiments of the disclosure provide a vehicle speed monitoring method and device. The method comprises: acquiring limited speed information of a current road; calculating the instantaneous speed of a current vehicle; and judging whether the instantaneous speed of the current vehicle is greater than the limited speed of the current road, and if so, outputting speeding information; wherein the current vehicle has diameter information of wheels, and the step of calculating the instantaneous speed of the current vehicle comprises: acquiring the time used for the wheels to run one cycle; and calculating the instantaneous speed of the current vehicle according to the diameter information of the wheels and the time used for the wheels to run one cycle.
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