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Vehicular seatbelt monitoring system and process

  • US 7,813,856 B2
  • Filed: 10/03/2007
  • Issued: 10/12/2010
  • Est. Priority Date: 10/03/2007
  • Status: Expired due to Fees
First Claim
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1. A seatbelt monitoring system for use onboard a vehicle having a seat assembly including at least one seat and seatbelt, comprising:

  • a wireless seatbelt status detector, comprising;

    a seatbelt latch sensor;

    a first wireless transceiver; and

    a controller coupled to the seatbelt latch sensor and to the first wireless transceiver, the controller configured to send a seatbelt latch signal via the first wireless transceiver when the seatbelt latch sensor indicates a change in latch status; and

    a vehicle seatbelt status indicator, comprising;

    a second wireless transceiver; and

    a processor coupled to the second wireless transceiver, the processor configured to send a receipt signal to the wireless seatbelt status detector after receiving the seatbelt latch signal via the second wireless transceiver;

    wherein the controller is further configured to;

    (i) re-send the seatbelt latch signal if the receipt signal is not received within a predetermined time period, and (ii) create an error log after a predetermined number of successive re-send attempts.

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