Communications: electrical – Land vehicle alarms or indicators – Of relative distance from an obstacle
Reexamination Certificate
2008-08-06
2010-12-28
Nguyen, Hung T. (Department: 2612)
Communications: electrical
Land vehicle alarms or indicators
Of relative distance from an obstacle
C340S436000, C340S425500, C340S467000, C340S468000, C340S479000, C340S903000, C701S035000, C701S045000, C701S301000
Reexamination Certificate
active
07859391
ABSTRACT:
An automated leading-vehicle message warning system for notifying a trailing vehicle of an unsafe traveling condition preferably includes a vehicle speedometer sensor and a vehicle brake system sensor. The warning system also may include a mechanism for determining whether a real-time traveling condition between the leading and trailing vehicles is a safe traveling condition by detecting whether the trailing vehicle is traveling at a minimum safe linear distance directly behind the leading vehicle upon receipt of input signals from a speedometer sensor and a vehicle brake system sensor. The warning system may also include a plurality of transducers housed in the leading vehicle that may be selectively toggled to respective activate modes such that each of the transducers generates and transmits a unique warning signal when the trailing vehicle fails to maintain the minimum safe distance from the leading vehicle during the unsafe traveling condition.
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