×

Adaptive vehicle alarm detection and reporting system

  • US 5,247,564 A
  • Filed: 10/24/1990
  • Issued: 09/21/1993
  • Est. Priority Date: 10/24/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. A cellular radiotelephone system for use in a vehicle having an ignition terminal adapted to carry an ignition signal, said system comprising:

  • a cellular mobile radiotelephone transmit/receive unit (TRU) for engaging in first and second phone calls;

    remote programming control means, coupled to said TRU, for receiving and recording alarm parameters from said TRU during said first phone call;

    a vehicle alarm system having an output signal which activates to indicate a security breach condition;

    user input means for generating a disarming signal in response to a physical manipulation of said user input means by a user;

    timing control means, coupled to said ignition terminal, for determining a disarming duration which begins substantially at activation of said ignition signal and continues for a period of time established by said alarm parameters; and

    alarm detection control means, coupled to said vehicle alarm system, to said TRU, to said user input means, and to said timing control means, for instructing said TRU to place said second call to a telephone number when said security breach condition occurs, said telephone number being defined by said alarm parameters, and for instructing said TRU to place said second call to said telephone number when said disarming signal is not generated prior to expiration of said disarming duration.

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