Data processing: measuring – calibrating – or testing – Measurement system – Dimensional determination
Reexamination Certificate
2007-06-29
2008-08-05
Bui, Bryan (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system
Dimensional determination
C702S150000, C356S249000
Reexamination Certificate
active
07409312
ABSTRACT:
A laser light receiver is provided with an integral laser distance measurement (LDM) device for measuring the distance from a laser plane of a desired elevation to a desired physical target point to be measured on a jobsite. The laser receiver can be combined with a gravity reference device, so that the laser receiver does not necessarily have to be held plumb to a desired target point, when determining the relative elevation of the laser receiver between a rotating beam of laser light and the target point; it can also acquire multiple samples of positions and automatically take a vertical measurement and store that result for later readout. The laser receiver can be further combined with a GPS receiver, to acquire latitude and longitude data, and then in combination act as a three-dimensional transducer that is more accurate in the vertical direction than a GPS receiver alone is capable of.
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Conner Robert G.
Zalusky James T.
Apache Technologies, Inc.
Bui Bryan
Gribbell Frederick H.
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