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
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