Collision detector for a vehicle

Details Collision detector for a vehicle Collision detector for a vehicle

1988-09-22

1989-10-10

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

307 91, 340429, 340436, 340438, 180274, 280734, 280735, B60R 2108

Patent

active

048734527

ABSTRACT:
It is an object of the present invention to provide a collision detector for a vehicle, capable of avoiding the adverse effect of the diagnostic pulses on the detection of a collision so that the failure of the acceleration sensor can be diagnosed correctly. A collision detector in accordance with the present invention comprises a diagnostic pulse generator which applies diagnostic pulses to an acceleration sensor to detect the failure of the acceleration sensor, and a diagnostic circuit which stops the output diagnostic pulses of the diagnostic pulse generator when the output of the acceleration sensor exceeds a malfunction avoidance level which is lower than a reference collision level.

REFERENCES:
patent: 3629816 (1971-12-01), Gillund
patent: 3789950 (1974-02-01), Strenglein
patent: 3851305 (1974-11-01), Baba et al.
patent: 3870894 (1975-03-01), Brede et al.
patent: 3889232 (1975-06-01), Bell
patent: 3911391 (1975-10-01), Held et al.
patent: 3949357 (1976-04-01), Hosaka
patent: 3964016 (1976-06-01), Yamada et al.
patent: 3967135 (1976-06-01), Balhan et al.
patent: 4308452 (1981-12-01), Henderson
patent: 4410875 (1983-10-01), Spies et al.
patent: 4638179 (1987-01-01), Mattes et al.

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