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US08004659B2 Vision measuring machine and focusing method thereof 有权
视力测量机及其聚焦方法

Vision measuring machine and focusing method thereof
摘要:
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.
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