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Passive tag with variable output

  • US 6,496,102 B1
  • Filed: 11/12/1998
  • Issued: 12/17/2002
  • Est. Priority Date: 11/12/1998
  • Status: Expired due to Fees
First Claim
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1. A method of transmitting information from a vehicle comprising the steps of:

  • (1) providing a passive tag on the vehicle, and providing inputs to said passive tag about the status of a vehicle braking system;

    (2) providing a change to said at least one input when the condition of said braking system changes, and querying said passive tag by a remote transmitter/receiver;

    (3) sending a wake-up signal from said passive tag to a diagnostic system, said diagnostic system performing a test of said vehicle braking system, said diagnostic system then sending an input to said passive tag indicative of the results of said test; and

    (4) said passive tag then providing an output signal indicative of the current status of said vehicle braking system.

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