发明名称 |
Method of authenticating a consumable |
摘要 |
A method of authenticating a consumable used in an imaging device includes the steps of providing the consumable with a memory; monitoring usage of the consumable; determining whether the consumable has reached a usage threshold; and, if the consumable has reached the usage threshold, then performing the further steps of: renewing the consumable; generating an authentication code signifying the renewing of the consumable; and storing the authentication code in the memory.
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申请公布号 |
US2005206672(A1) |
申请公布日期 |
2005.09.22 |
申请号 |
US20050131881 |
申请日期 |
2005.05.18 |
申请人 |
LEXMARK INTERNATIONAL, INC. |
发明人 |
ADKINS CHRISTOPHER A.;CAMPBELL MICHAEL C.;CROLEY DONALD F.;STRUNK TIMOTHY L. |
分类号 |
B41J2/175;(IPC1-7):G03G15/00 |
主分类号 |
B41J2/175 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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