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Recovery system with repeating communication capabilities

  • US 10,549,720 B2
  • Filed: 05/13/2019
  • Issued: 02/04/2020
  • Est. Priority Date: 09/19/2005
  • Status: Active Grant
First Claim
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1. A recovery system for providing an activation message to a vehicle location unit associated with a vehicle, the system comprising:

  • a vehicle location unit disposed in a vehicle;

    a central station configured to transmit a first activation message meant for the vehicle location unit;

    at least a first remote transmitting unit including;

    a first receiving unit for receiving the first activation message meant for the vehicle location unit;

    a controller for processing the first activation message; and

    a transmitter configured to transmit a second activation message using the processed first activation message, meant for the vehicle location unit;

    at least a second remote transmitting unit including;

    a second receiving unit for receiving the second activation message meant for the vehicle location unit;

    a controller configured to process said second message;

    a transmitter configured to transmit a third activation message, using the processed second activation message, to the vehicle location unit; and

    in which the first activation message includes a first code representing a vehicle location unit identifier and a second code which activates the vehicle location unit to transmit a signal.

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