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Ground-tracking devices for use with a mapping locator

  • US 9,081,109 B1
  • Filed: 06/15/2011
  • Issued: 07/14/2015
  • Est. Priority Date: 06/15/2010
  • Status: Active Grant
First Claim
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1. A ground tracking device, comprising:

  • a ground follower assembly comprising;

    a ground follower element;

    a swing-arm element coupled to the ground follower element;

    a yoke element coupled between the swing-arm element and the mounting assembly; and

    a plurality of sensors configured to sense movement of the ground follower assembly relative to a ground surface or other surface in two or more axes of motion and generate the one or more output signals based at least in part on the movement; and

    a mounting assembly configured to floatably attach the ground follower assembly to a measurement device;

    wherein the ground follower assembly is configured to generate one or more output signals representative of a motion of the measurement device over a ground surface in two or more axes of motion.

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