Vehicle collision detecting system

Details Vehicle collision detecting system Vehicle collision detecting system

1992-05-29

1994-02-08

Williams, Hezron E.

Communications: electrical

Land vehicle alarms or indicators

Of collision or contact with external object

280735, B60Q 100

Patent

active

052851885

ABSTRACT:
A vehicle collision detecting system includes an impact sensor, a distance sensor for detecting a distance to an obstacle, a differential circuit for differentiating the distance to provide a relative speed, and a microcomputer for computing a distance after a time, based on the detected distance and the relative speed, and determining whether the computed distance becomes zero within a predetermined time. If the calculated distance becomes zero within the predetermined time, a collision unavoidable signal is generated. A collision signal or air bag activating signal is then generated as soon as an impact is detected by the impact detector.

REFERENCES:
patent: 3687213 (1972-08-01), Sato et al.
patent: 3703702 (1972-11-01), Arai

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