Laser machine monitoring

Details Laser machine monitoring Laser machine monitoring

2011-01-25

2011-01-25

Elve, M. Alexandra (Department: 3742)

Electric heating

Metal heating

By arc

C219S121610, C219S121780

Reexamination Certificate

active

07875830

ABSTRACT:
A laser processing machine head, a laser processing machine head monitoring system, and a method of monitoring an optical element of a laser processing machine feature a light-transmissive optical element and an optical element holder defining a cavity in which the optical element is retained against rotation. A light source mounted to the holder directs a beam of light into the optical element through a peripheral surface of the optical element. A light receiver is responsive to light from the light source reflected through the optical element. Monitoring a signal from the light receiver allows a status of the optical element to be assessed.

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Translation of an Office Action from a corresponding application in China; mailed May 31, 2008, 4 pages.
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