Boots – shoes – and leggings
Patent
1995-07-19
1998-01-27
Park, Collin W.
Boots, shoes, and leggings
364184, 364424034, 371 671, 280735, G06F 1100
Patent
active
057127840
ABSTRACT:
A trigger circuit for occupant protection systems in motor vehicles comprises a control unit which will effect the triggering of a means of restraint such as an airbag, depending on sensor signals generated by one or more external sensor units. To achieve a degree of triggering certainty, data interrogation must take place in very short time intervals. A safe transmission of data between the control unit and the sensor units will be ensured if, in accordance with this invention, the information units to be transmitted will each be encoded by means of a PWM signal with a certain period duration. The control unit will check the period duration of the PWM signal received, and, in the event of this actual period duration not matching the specified nominal value, it will not accept the relevant unit of information.
REFERENCES:
patent: 5099444 (1992-03-01), Wilson et al.
patent: 5220522 (1993-06-01), Wilson et al.
patent: 5243606 (1993-09-01), Sugita et al.
patent: 5459732 (1995-10-01), Wise et al.
ASAUMI, TOSHIO; Air Bag Starting Controller, Patent Abstracts of Japan, M-1488, Sep. 29, 1993, vol. 17, No. 541.
Fendt Gunter
Hora Peter
Spies Hans
Zechmair Derrick
Park Collin W.
TEMIC Telefunken microelectronic GmbH
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