METHOD FOR FLEXIBLY ADJUSTING A NAVIGATION PATH AND DEVICE THEREOF
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United States of America Patent
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Issued Date -
Aug 8, 2013
app pub date -
Feb 5, 2013
filing date -
Feb 7, 2012
priority date (Note) -
Abandoned
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Abstract
The present invention is related to a method for flexibly adjusting a navigation path and a device thereof. The method is applied to a navigation device, and the navigation device may obtain current position information and speed information through a satellite positioning module, then access a map corresponding to the current position information from a map database, continuously the navigation device defines a specific scope adjacent to the vehicle thereof and accesses corresponding traffic sign messages as a changing time in the specific scope from a traffic sign database, then plans a plurality of paths, and respectively calculates the total travel time of each path according to the current speed information and sign features corresponding to traffic signs so as to choose a path with a shortest total travel time as a best navigation path and avoid a path with traffic lights or railroad crossing lights.
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