Time-based disablement of equipment

  • US 7,266,507 B2
  • Filed: 03/19/2004
  • Issued: 09/04/2007
  • Est. Priority Date: 08/10/1999
  • Status: Expired due to Term
First Claim
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1. A method of enabling and disabling a vehicle in response to payments being timely made, comprising the steps:

  • a) computing a payment due deadline;

    b) generating a reference code which corresponds to said deadline;

    c) providing said reference code to a comparator;

    d) receiving, via a keypad at the vehicle, an additional code;

    e) passing said additional code to said comparator;

    f) comparing said additional code with said reference code;

    g) disabling said vehicle if agreement between said additional code and said reference code is not detected prior to said payment due deadline;

    h) enabling said vehicle if agreement between said additional code and said reference code is detected, wherein said disabling step disables a system which supports causing ignition in an engine of said vehicle, said system includes only components not dedicated to directly causing a spark to initiate combustion; and

    generating a next reference code which corresponds to the next payment due deadline if an agreement is found between said additional code and said reference code.

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