Geometrical instruments – Straight-line light ray type – Alignment device
Reexamination Certificate
2006-12-18
2009-06-30
Fulton, Christopher W (Department: 2841)
Geometrical instruments
Straight-line light ray type
Alignment device
C033S290000, C033S0010CC
Reexamination Certificate
active
07552539
ABSTRACT:
A method of monitoring the location, and the orientation of a machine element, and apparatus for monitoring and controlling the operation of the machine include a robotic total station and a plurality of targets in known positions relative to the machine element. The total station, located at a known location near the machine element, repeatedly, successively determines the location of each target. Acquisition and re-acquisition of the targets is aided by stored data regarding the prior locations and movements of the targets. Further, active targets may be used to facilitate re-acquisition. The operation of the machine is controlled based upon the location and orientation of the machine element.
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Dinsmore & Shohl LLP
Fulton Christopher W
Trimble Navigation Limited
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