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Marking apparatus configured to detect out-of-tolerance conditions in connection with underground facility marking operations, and associated methods and systems

  • US 8,612,148 B2
  • Filed: 06/09/2010
  • Issued: 12/17/2013
  • Est. Priority Date: 10/02/2008
  • Status: Active Grant
First Claim
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1. A marking apparatus for performing a marking operation to indicate a presence or an absence of at least one underground facility, the marking apparatus comprising:

  • a housing;

    a holder configured to hold to the housing at least one marking dispenser containing a marking material;

    at least one actuator configured to actuate the marking dispenser to dispense the marking material;

    an input device to provide an output signal;

    a memory to store processor-executable instructions, and a target value or range of values; and

    at least one processor communicatively coupled to the memory and the input device to receive the output signal from the input device wherein, upon execution of the processor-executable instructions, the processor;

    A) compares the output signal to the target value or the range of values to determine if an out-of-tolerance condition is indicated by the output signal.

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