| 发明名称 |
Coded articles and systems and methods of identification of the same |
| 摘要 |
A laser scanning system with sufficient power to drill very small holes or marks in materials. The holes or marks are so small that they cannot be seen with the human eye. These holes and marks can be arranged in an ID matrix barcode or other barcode that can be detected with a specially designed barcode reader. |
| 申请公布号 |
US8893973(B2) |
申请公布日期 |
2014.11.25 |
| 申请号 |
US201313857887 |
申请日期 |
2013.04.05 |
| 申请人 |
|
发明人 |
Shaffer Wayne;Kido Hideo |
| 分类号 |
G06K7/10;G06K7/14;G06K19/00;G06K19/06;G07D7/00;G07D7/20;G06K7/015;G07D7/12 |
主分类号 |
G06K7/10 |
| 代理机构 |
|
代理人 |
Bourget Anthony J. |
| 主权项 |
1. A system of identification of an article having cellulose fibers, said system comprising:
a machine-readable code having laser-produced marks on a surface of the article having cellulose fibers, said code conveying information relating to the article, said code comprising a plurality of laser-produced marks where a measure across a longest dimension of at least one of the marks ranges in length from about 0.1 microns to about 40 microns; and a reader adapted to read said code, said reader configured to utilize oblique illumination lighting to read said code. |
| 地址 |
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