| 发明名称 |
LOSS PREVENTION SYSTEM WITH COVERT MARKS AND METHOD OF MANUFACTURE THEREOF |
| 摘要 |
A method of manufacture of a loss prevention system includes: providing a disc having a top planar surface; and applying an identification mark on the top planar surface, the identification mark containing covert security information.
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| 申请公布号 |
US2012091195(A1) |
申请公布日期 |
2012.04.19 |
| 申请号 |
US201113155242 |
申请日期 |
2011.06.07 |
| 申请人 |
GEHRICH EDWARD ALLEN;LINDSEY MATTHEW STEWART;NEW ANTHONY CARSON;PROFFITT ED;SONY DADC US INC.;SONY CORPORATION |
发明人 |
GEHRICH EDWARD ALLEN;LINDSEY MATTHEW STEWART;NEW ANTHONY CARSON;PROFFITT ED |
| 分类号 |
G06K5/00;B41M3/14;G06K19/00;G06K19/06 |
主分类号 |
G06K5/00 |
| 代理机构 |
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