Method and apparatus for warning following vehicles of frontally escalating longitudinal traffic
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United States of America Patent
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Oct 30, 2012
Grant Date -
Sep 23, 2010
app pub date -
Sep 3, 2008
filing date -
Sep 26, 2007
priority date (Note) -
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Abstract
A method and a device for warning following vehicles in a group of several sequential vehicles, including at least a leading vehicle, a middle vehicle and a following vehicle, wherein a warning is transmitted from the middle vehicle to the following vehicle. A total distance and a total relative speed between the leading vehicle and the following vehicle are calculated based on measurements made by the middle vehicle. The total distance and total relative speed are used to determine whether a critical approach of the following vehicle to the leading vehicle is occurring, and if so, an automatic warning is transmitted from the middle vehicle to the following vehicle.
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