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System for signaling a device at a remote location

  • US 6,657,535 B1
  • Filed: 08/30/1999
  • Issued: 12/02/2003
  • Est. Priority Date: 08/31/1998
  • Status: Expired due to Fees
First Claim
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1. A system for remotely protecting a vehicle against unauthorized movement, by using a control station and a protection module installed inside the vehicle, the control station and the protection module being capable of remote communication with each other, wherein the control station includes:

  • electronics for (i) interrogating the protection module, (ii) for reading signals including a park status signal sent by the protection module, (iii) for waiting to send a shut off control signal until such time that a parked condition of the vehicle as sensed by the protection module is signaled by the protection module to the control station, and (iv) for remotely incapacitating the vehicle by turning off a power supply thereto by a control signal from the control station through the protection module responsive to the vehicle being sensed to be in the parked condition;

    said protection module including;

    electronics to sense the parked condition of the vehicle and to send the park status signal therefor to said control station; and

    circuitry to receive the park status signal from the control center to selectively turn off the power supply to shut down the vehicle.

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