BUSINESS MODEL FOR QUALITY CERTIFICATION AND ANTITHEFT SYSTEM FOR JEWEL

摘要

PROBLEM TO BE SOLVED: To enable police investigation and return to a legitimate owner, based on a mark incused on a gem even, when it is taken down to a single piece of the gem crystal.;SOLUTION: Marks (bar code, 2-dimensional bar code, own fingerprint, and the like) are incused on a surface of a diamond by a laser beam. The marks incused on each of the diamonds enable quality, polishing completion data and the legitimate owner to be searched on line by reading the marks with a mark reader when required.;COPYRIGHT: (C)2004,JPO