发明名称 |
Authentication systems and methods |
摘要 |
In an embodiment, an authentication system includes a base unit to receive a replaceable supply device, a controller integrated into the base unit, known characteristic data accessible by the controller, and an authentication algorithm executable on the controller to authenticate the supply device if a known characteristic measured on the supply device matches the known characteristic data. |
申请公布号 |
US8864277(B2) |
申请公布日期 |
2014.10.21 |
申请号 |
US201113250012 |
申请日期 |
2011.09.30 |
申请人 |
Hewlett-Packard Development Company, L.P. |
发明人 |
Rice Huston W.;Ness Erik D.;Novak David B. |
分类号 |
B41J29/393;G06F21/44;B41J2/175 |
主分类号 |
B41J29/393 |
代理机构 |
|
代理人 |
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主权项 |
1. An authentication system comprising:
a base unit to receive a replaceable supply device; a controller integrated into the base unit; known characteristic data accessible by the controller, the known characteristic data comprising known cell types for each cell in a string of identification (ID) bit memory cells on the supply device; and an authentication algorithm executable on the controller to authenticate the supply device if a known characteristic measured on the supply device matches the known characteristic data. |
地址 |
Houston TX US |