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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|