G meter

Details G meter G meter

1989-11-01

1991-01-08

Crosland, Donnie L.

Communications: electrical

Land vehicle alarms or indicators

External alarm or indicator of movement

340479, B60Q 126

Patent

active

049839535

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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patent: 3813542 (1974-05-01), Spadafora
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patent: 4320384 (1982-03-01), Carlson
patent: 4384269 (1983-05-01), Carlson
patent: 4491824 (1985-01-01), Chiou
patent: 4594574 (1986-06-01), Thurman
patent: 4667177 (1987-05-01), Athalye
patent: 4686503 (1987-08-01), Miller
patent: 4730181 (1988-03-01), Perkins

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