METHODS AND APPARATUS FOR GENERATING ALERTS ON A MARKING DEVICE, BASED ON COMPARING ELECTRONIC MARKING INFORMATION TO FACILITIES MAP INFORMATION AND/OR OTHER IMAGE INFORMATION

  • US 20100188215A1
  • Filed: 02/05/2010
  • Published: 07/29/2010
  • Est. Priority Date: 10/02/2008
  • Status: Active Grant
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First Claim
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1. A marking apparatus to mark a presence or an absence of an underground facility, the marking apparatus comprising:

  • a housing;

    a marking dispenser holder coupled to the housing to hold a replaceable marking material;

    an actuator that, when actuated, causes dispensing of the marking material;

    a display device coupled to the housing;

    at least one memory; and

    at least one processor, communicatively coupled to the display device and the at least one memory, and configured to;

    display on the display device a map image that is generated based on first map data that comprises facilities map data and is selected by the at least one processor; and

    compare a location at which marking material was dispensed to a location of a facility line as indicated by the first map data and generate an alert based on the comparison.

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