发明名称 Injection molding process including digital watermarking and articles manufactured from injection molding process
摘要 The present invention relates to methods of marking objects produced through a molding process. The marking facilitates authentication of the objects. A cellular phone faceplate is steganographically marked in one implementation of the invention.
申请公布号 US2004086151(A1) 申请公布日期 2004.05.06
申请号 US20020286357 申请日期 2002.10.31
申请人 BRUNDAGE TRENT J. 发明人 BRUNDAGE TRENT J.
分类号 B29C45/14;G06T1/00;(IPC1-7):G06K9/00 主分类号 B29C45/14
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