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Programmable vehicle monitoring and security system having multiple access verification devices

  • US 5,682,133 A
  • Filed: 06/07/1995
  • Issued: 10/28/1997
  • Est. Priority Date: 11/16/1993
  • Status: Expired due to Fees
First Claim
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1. A security system for protecting a vehicle from theft comprising:

  • a central monitoring station;

    a position determination device on said vehicle for determining position data representing the geographical position of said vehicle in response to received radio frequency signals;

    a calling unit on said vehicle operable to establish a communication link to said central monitoring station;

    a computerized control and communications unit on said vehicle connected to said calling unit and said position determination device for storing said position data, for detecting motion of said vehicle in response to changes in said position data, and for storing selectively entered zone data defining an allowable zone of locations for said vehicle;

    wherein said selectively entered zone data includes stored information defining a predetermined period of time for which said zone data is valid; and

    wherein said computerized control and communications unit is responsive to said detection of motion of said vehicle to activate said calling unit to establish said communication link with said central monitoring station upon detection of movement of said vehicle outside of said allowable zone of locations during said predetermined period of time.

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