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Electronic device

  • US 5,357,141 A
  • Filed: 01/13/1993
  • Issued: 10/18/1994
  • Est. Priority Date: 04/02/1988
  • Status: Expired due to Term
First Claim
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1. A device for controlling motor vehicle safety devices comprising:

  • a plurality of sensors mounted on the motor vehicle and adapted to transmit output signals indicative of an acceleration of the motor vehicle;

    a control unit coupled to the sensors and to the safety devices, the control unit evaluating the signals transmitted by at least one of the sensors and controlling actuation of the safety devices as a function of the evaluated signals;

    a serial data transmission line coupling each of the sensors to each of the other sensors and to the control unit;

    the serial data transmission line providing bidirectional communication of signals among the sensors, and between each of the sensors and the control unit;

    each of the sensors receiving all of the signals transmitted over the serial data transmission line by each of the other sensors and by the control unit;

    each of the sensors processing the signals received from each of the other sensors;

    each of the sensors processing the signals received from the control unit; and

    each of the sensors determining when to transmit a respective signal over the serial data transmission line as a function of the signals received and processed from each of the other sensors and of the signals received and processed from the control unit.

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