Vision measuring machine and focusing method thereof

Details Vision measuring machine and focusing method thereof Vision measuring machine and focusing method thereof

2011-08-23

2011-08-23

Tarcza, Thomas H (Department: 3662)

Optics: measuring and testing

Range or remote distance finding

With photodetection

C356S004010, C356S004100, C356S005010

Reexamination Certificate

active

08004659

ABSTRACT:
A vision measuring machine includes a stage for supporting a workpiece, an image capturing device movable relative to the stage, and a laser ranging module directed towards the stage. The laser ranging module is capable of emitting a laser beam to the workpiece to form a laser spot on the workpiece surface, and determining a distance between the laser spot and the laser ranging module.

REFERENCES:
patent: 2004/0245227 (2004-12-01), Grafton-Reed et al.
patent: 2005/0053274 (2005-03-01), Mayer et al.

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