US Patent 7466401 Self-compensating laser tracker

Patent 7466401 was granted and assigned to FARO on December, 2008 by the United States Patent and Trademark Office.

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Patent Inventor Names

James K. West0

Peter G. Cramer0

Robert E. Bridges0

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Patent abstract

An apparatus and method for compensating a coordinate measurement machine is provided, which may be a laser-based coordinate measurement machine, laser tracker, or other coordinate measurement device. In one exemplary method, such compensation comprises self-compensation of payload parameters by means of embedded tracker targets. In another exemplary embodiment, such compensation comprises self-compensation of payload, azimuth-post, axis, or R0 parameters by means of embedded temperature sensors.

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https://pdfpiw.uspto.gov/.piw?Docid=074664010

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