Variable time venting algorithm

Details Variable time venting algorithm Variable time venting algorithm

2005-08-16

2005-08-16

English, Peter C. (Department: 3616)

Land vehicles

Wheeled

Attachment

C701S045000

Reexamination Certificate

active

06929283

ABSTRACT:
An algorithm for evaluating information from sensors interacting with strips that are extended during activation of the airbag determines whether the airbag has contacted an out-of-position occupant. In one embodiment, each strip includes an alternating pattern that generates a frequency in a sensor through which the strip passes during deployment. The frequency generated is based upon the speed with which the strip passes by the sensor and, in turn, the speed of deployment of the airbag. A controller evaluates the frequency and the changes in frequency from the sensor during deployment. Depending upon the specific configuration of the system and the specific vehicle, a decrease in the speed of deployment of the airbag may be indicated by a decrease in the frequency of the signal. A decrease in speed of deployment may indicate that the airbag is in contact with an occupant

REFERENCES:
patent: 5957490 (1999-09-01), Sinnhuber
patent: 6129379 (2000-10-01), Specht
patent: 6308983 (2001-10-01), Sinnhuber
patent: 19611384 (1997-09-01), None

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