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Passenger protecting device for vehicle

  • US 6,345,220 B1
  • Filed: 12/21/1999
  • Issued: 02/05/2002
  • Est. Priority Date: 12/25/1998
  • Status: Expired due to Fees
First Claim
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1. A passenger protecting device for a vehicle, comprising:

  • a passenger protecting unit to be arranged in the vicinity of a passenger on the vehicle, for protecting the passenger, a plurality of terminal units arranged in the vehicle, for detecting a plurality of information about the passenger and a loadage on the seat; and

    a central control unit which communicates with the plural terminal units through a single communication line at intervals of a predetermined cycle thereby to collect the plural information and which determines the operating condition of the passenger protecting unit and also controls the operation of the passenger protecting unit;

    wherein the central control unit carries out the communication with at least one terminal unit detecting an information of high priority at every interval of the predetermined cycle and also carries out the communication with the other terminal units detecting other information of low priority in a sequential manner such that communication occurs with a different terminal unit detecting low priority information than in an immediately adjacent interval.

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