Dual, independent sensor vehicle impact detectin system

Details Dual, independent sensor vehicle impact detectin system Dual, independent sensor vehicle impact detectin system

1995-06-22

1996-08-13

Culbreth, Eric D.

Motor vehicles

With means for promoting safety of vehicle, its occupant or...

Responsive to engagement of portion of perimeter of vehicle...

2807302, 280735, 340436, B60R 2132

Patent

active

055447163

ABSTRACT:
A vehicle impact detection system (10) for controlling the actuation of an occupant safety restraint device includes a dual, independent sensor arrangement (12) having a vibratory sensor (24) affixed to an outer surface (16) of the vehicle for continuously generating an output signal (14) representative of the condition of the outer surface, and a processor (22) for performing signal processing on the output signal (14) to predict the time at which a second crush sensor (26) will produce an output signal (18). The system (10) allows a single point outer surface sensor to reliably predict severe impacts within a few milliseconds of initial impact, and therefore is particularly suited for controlling the actuation of a safety restraint device in response to side impacts.

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