Optical ground tracking apparatus, systems, and methods
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United States of America Patent
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Dec 12, 2017
Grant Date -
Jan 26, 2017
app pub date -
May 9, 2016
filing date -
Feb 13, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Optical ground tracking apparatus for use with buried object locators or other instruments or devices are disclosed. In one embodiment, a buried object locator includes a locator module disposed in our coupled to the housing to sense a buried object based on emitted magnetic fields, and a surface tracking module for determining motion information of the buried object locator based on light reflected from a tracking surface.
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International Classification(s)
- G01J:MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTE....
- G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
- G01S:RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMI....
- G01C:MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING....
- G01B:MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIME....
- G01V:GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING ....
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