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United States of America Patent
Stats
-
Jan 8, 1991
Grant Date -
N/A
app pub date -
Nov 1, 1989
filing date -
Nov 1, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rear end collision avoidance system utilizing a plurality of lamps facing the rear of the vehicle and a deceleration measuring device to sequence said lights so as to indicate the changes in speed of said vehicle. The system is actuated when the brake in the vehicle is applied. The measuring device utilizes a circular disk which is free to roll in a arc shaped slot.
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Family
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Cited Art Landscape
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