Patent ID: 7820940

Claim:
A laser engraving mechanism configured for engraving a workpiece, the laser engraving mechanism comprising: an image receiver configured for screening a testing block and the workpiece before the workpiece is engraved in order to form images thereof and for transforming the images of the testing block and the workpiece into electronic image signals; an image processor connected to the image receiver, the image processor being configured for forming and storing a group of datum coordinates according to the electronic image signals of the testing block and for forming a group of engraving coordinates according to the electronic image signals of the workpiece before the workpiece is engraved, the image processor being configured for comparing the engraving coordinates with the datum coordinates; an engraving controller connected to the image processor; and a laser emitting member connected to the engraving controller, the engraving controller being configured for controlling the laser emitting member in a manner so as to engrave the workpiece based upon a comparison of results between the engraving coordinates and the datum coordinates.