×

Method of enabling and disabling occupant restraints

  • US 6,088,639 A
  • Filed: 10/03/1997
  • Issued: 07/11/2000
  • Est. Priority Date: 10/03/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. In a vehicle having a controller for deploying occupant restraints and a data link for communication between the controller and a diagnostic tester, a method of selectively enabling and disabling individual restraints comprising the steps of:

  • storing a key algorithm in the diagnostic tester;

    storing a key code and a seed in the controller;

    requesting the seed by the diagnostic tester;

    sending the seed to the diagnostic tester;

    operating on the seed by the key algorithm to calculate a key code;

    sending the calculated key code to the controller along with a request for selective enabling and disabling of restraints;

    verifying the key code; and

    when the key code is valid, enabling and disabling restraints according to the request.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×