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Immobilization system for motor vehicles

  • US 6,040,638 A
  • Filed: 10/13/1998
  • Issued: 03/21/2000
  • Est. Priority Date: 10/15/1997
  • Status: Expired
First Claim
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1. A vehicle immobilization system for a vehicle, said vehicle having an on/off switch and an engine, said vehicle immobilization system comprising:

  • an electronically controlled locking mechanism responsive to a remote command signal to move between a locked state and an unlocked state, said electronically controlled locking mechanism requiring an electrical supply to move in either direction between said locked state and said unlocked state, such that said electronically controlled locking mechanism remains in its current locked or unlocked state whenever disconnected from said electrical supply;

    switch means for selectably connecting said electronically controlled locking mechanism to said electrical supply in response to an enable power command and a disable power command; and

    control means coupled to said electronically controlled locking mechanism and said switch means, said control means generating said enable power command in response to activity of said on/off switch and preventing said enable power command when said engine is running or when said vehicle is moving.

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