| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a laser marking device making operators to facilitate visualization of laser line and enhance their workability provided with a means capable of irradiating a laser line of the optimal color depending on workplace. Ž<P>SOLUTION: A plurality of laser light sources 8 are provided to irradiate laser beams with different colors and, moreover, a color identifying sensor 14 identifying the color of a workplace (an irradiated spot) is provided, where based on the color identified with the color identifying sensor 14, a mixing fraction of laser from a plurality of laser light sources 8 is determined to create a laser beam of the most viewable color for operators. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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