Apparatus for starting passive safety device of automotive vehic

Details Apparatus for starting passive safety device of automotive vehic Apparatus for starting passive safety device of automotive vehic

1994-04-26

1996-06-25

Teska, Kevin J.

Boots, shoes, and leggings

340669, 307 101, 280735, 180282, B60R 2132

Patent

active

055306497

ABSTRACT:
A passive safety device starting apparatus includes: a sampling unit for sampling a plurality of acceleration values from an automotive vehicle according to periodic interrupt signals; an integration unit for calculating the sum of a plurality of acceleration values sampled within each of a plurality of first time intervals, for storing a number of the sums, each of which is calculated within a second time interval greater than one of the first time intervals, in a corresponding number of data areas of a memory, and for generating a value of an integral based on the number of the sums within each first time interval; and a starting unit for updating the integral value according to the periodic interrupt signals by adding a new acceleration value to the integral value generated by the integration unit after the new acceleration value is sampled by the sampling unit, and for starting a passive safety device when the updated integral value is detected to be greater than a threshold value.

REFERENCES:
patent: 4410875 (1983-10-01), Spies et al.
patent: 5040118 (1991-08-01), Diller
patent: 5216607 (1993-06-01), Diller et al.
patent: 5317512 (1994-05-01), Ota et al.
patent: 5337238 (1994-08-01), Gioutsos et al.
patent: 5339242 (1994-08-01), Reid et al.
patent: 5363302 (1994-11-01), Allen et al.

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