System and method for synchronizing a laser beam to a moving web
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United States of America Patent
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app pub date -
Sep 3, 2002
filing date -
Sep 7, 2001
priority date (Note) -
Abandoned
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Abstract
A system for synchronizing a cutting laser beam with the motion of a moving web material includes a beam source, optics, one or two moveable mirrors, one or two mirror motors, an encoder and a computer. The encoder, which is attached to a tension roller in the system, measures the speed of the moving web and generates a signal representative of the measured speed. The encoder transmits the measured clock signal to a computer, which synchronizes the motion of the mirrors and modulates the power of the laser according to the encoder clock signal. Thus, the galvo-laser is synchronized to the moving web.
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