Method and apparatus for detecting air bag deployment

Details Method and apparatus for detecting air bag deployment Method and apparatus for detecting air bag deployment

1996-03-15

1996-11-12

Mullen, Thomas

Communications: electrical

Land vehicle alarms or indicators

Of collision or contact with external object

340438, 340426, 280735, 36442405, B60Q 100

Patent

active

055744273

ABSTRACT:
An arrangement in the passenger compartment of a vehicle independent of a SIR system responds to the impulse noise of an inflating air bag as well as to vehicle acceleration to determine that the air bag has inflated, and then activates a communication device to transmit an emergency signal. A noise sensing transducer is either a pressure sensor or a microphone, and an accelerometer detects minimal conditions for a crash. A microprocessor evaluates the output signal and the acceleration to decide whether to signal the communication device.

REFERENCES:
patent: 3022392 (1962-02-01), Clemson
patent: 3646583 (1972-02-01), Souderi
patent: 3990040 (1976-11-01), Gleitz et al.
patent: 4067411 (1978-01-01), Conley et al.
patent: 4673937 (1987-06-01), Davis
patent: 4950915 (1990-08-01), Spies et al.
patent: 5482314 (1996-01-01), Corrado
patent: 5484166 (1996-01-01), Mazur et al.
Rouhana et al., "Investigation Into the Noise Associated With Air Bag Deployment--Part I--Measurement Technique and Parameter Study," SAE paper No. 942218, Oct. 31, 1994.

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