Boots – shoes – and leggings
Patent
1992-04-17
1995-03-07
Chin, Gary
Boots, shoes, and leggings
340436, 307 101, 280734, 280735, 180282, B60R 2116, B60R 2132
Patent
active
053964241
ABSTRACT:
An electronic crash sensor which can operate appropriately in response to any form of crash of any vehicle, more especially to a high speed oblique or pole crash of a vehicle which has a less rigid body or to a compound crash which is compound of various forms of crash, to say nothing of a high speed oblique or pole crash of a vehicle which has a normal rigid body. An input acceleration waveform from an accelerometer is processed to peak cut any portion thereof lower than a predetermined value. Then, the value obtained by the said peak cutting is time integrated. Then, a time integrated value of a predetermined function is subtracted from the value obtained by the said time integration. Then, the value of the acceleration waveform thus obtained is firstly compared with a predetermined time function value, and when the former is higher than the latter, a triggering signal is developed, while a diffrential of the said values of the acceleration waveform per a predetermined time value is secondly compared with a predetermined value, and when the former is higher than the latter, a triggering signal is developed. And further, the said first comparing means and the said second comparing means are connect with a trigger circuit to trigger a passenger protecing apparatus called an air bag by way of a connecting means.
REFERENCES:
patent: 4975850 (1990-12-01), Diller
patent: 4985835 (1991-01-01), Sterler et al.
patent: 5021678 (1991-06-01), Diller
patent: 5189311 (1993-02-01), Moriyama et al.
patent: 5208484 (1993-05-01), Okano et al.
patent: 5229943 (1993-07-01), Eigler et al.
Moriyama Hiroshi
Sada Hiroyuki
Shiozawa Takeo
Chin Gary
Sensor Technology Co. Ltd.
Walker Tyrone V.
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