NAVIGATION SYSTEM WITH LIVE SPEED WARNING FOR MERGING TRAFFIC FLOW
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United States of America Patent
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Issued Date -
Nov 8, 2012
app pub date -
Nov 12, 2009
filing date -
Nov 12, 2009
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Abstract
A navigation method and navigation system (14) capable of taking into account the speed of a vehicle (10) traveling along a road segment (52) and providing an acoustic, visual and/or haptic warning or speed recommendation and/or recommendation to change lane or increase inter-vehicle distance to support effective lane merging situation as the vehicle approaches a merging region with another road segment (54). The navigation system (14) monitors the position and speed of a vehicle (10) in which the navigation system (14) is carried simultaneously determining or being provided with an average speed of vehicles traveling on another road segment which merges ahead. The navigation system (14) communicates the average speed to the first vehicle and also recommends a speed change if the vehicles monitored speed does not equal the average speed traveling on the other road segment.
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