Method and apparatus for determining the elevation of an underground structure
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United States of America Patent
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Jul 19, 2005
Grant Date -
Mar 17, 2005
app pub date -
Sep 17, 2003
filing date -
Sep 17, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A survey device for determining an elevation of a subterranean architectural feature includes a distance sensor operable to generate a first signal indicative of a line-of-sight distance from the survey device to the subterranean architectural feature. The device also includes an angle sensor operable to generate a second signal indicative of an angular position of the survey device relative to a vertical reference. A processor is electrically coupled to both the distance sensor and the angle sensor. A method of operating a survey device is also disclosed.
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