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Enhanced position measurement systems and methods

  • US 10,168,153 B2
  • Filed: 09/30/2013
  • Issued: 01/01/2019
  • Est. Priority Date: 12/23/2010
  • Status: Active Grant
First Claim
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1. A position measurement system, comprising:

  • a rod having a base, the rod being configured to be disposed with the base substantially in contact with a ground surface and a longitudinal axis in a substantially vertical position;

    a position measurement device;

    a tilt sensor;

    a processor in communication with the position measurement device and the tilt sensor; and

    a non-transitory computer readable medium having encoded thereon a set of instructions executable by the processor to cause the position measurement system to perform one or more operations, the set of instructions comprising;

    instructions to receive tilt data from the tilt sensor, the tilt data indicating a tilt angle of the rod;

    instructions to determine, based on the tilt data, that a tilt of the rod is within a specified tolerance from the vertical position;

    instructions to determine, based on the tilt data, that noise in the tilt data is within a noise tolerance for a threshold time;

    instructions to generate a notification responsive to a determination that the rod is within the specified tolerance from the vertical position, wherein the notification includes an audio or visual notification; and

    instructions to capture position data, using the position measurement device, about a position of the position measurement system, responsive to the determination that the rod is within the specified tolerance from the vertical position and noise in the tilt data is within the noise tolerance for the threshold time.

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