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MARKING DEVICE WITH TRANSMITTER FOR TRIANGULATING LOCATION DURING LOCATE OPERATIONS

  • US 20110117272A1
  • Filed: 08/19/2010
  • Published: 05/19/2011
  • Est. Priority Date: 08/20/2009
  • Status: Active Grant
First Claim
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1. A system for tracking location of a marking device used to mark a presence or an absence of an underground facility during performance of a marking operation at a work site, the system comprising:

  • the marking device comprising a transmitter configured to transmit a wireless signal;

    a first receiving system coupled to a vehicle at the work site, disposed at a first stationary location on the vehicle, and configured to receive the wireless signal and produce a first output signal;

    a second receiving system coupled to the vehicle, disposed at a second stationary location on the vehicle, and configured to receive the wireless signal and produce a second output signal; and

    at least one processor communicatively coupled to the first receiving system and the second receiving system to receive the first output signal and the second output signal and to execute a triangulation algorithm utilizing the first output signal and the second output signal.

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