| 发明名称 |
AUTHENTICATION VALUE FOR PRINT HEAD DIE BASED ON ANALOG DEVICE ELECTRICAL CHARACTERISTICS |
| 摘要 |
A print head die includes a storage element. The print head die includes a plurality of analog devices. The storage element is to store an authentication value. The authentication value is generated based on comparisons of the measured electrical characteristics of at least some of the analog devices. |
| 申请公布号 |
US2016229179(A1) |
申请公布日期 |
2016.08.11 |
| 申请号 |
US201315029555 |
申请日期 |
2013.10.15 |
| 申请人 |
Hewlett-Packard Development Company, L.P. |
发明人 |
Anderson Daryl E.;Rice Huston W.;Martin Eric T. |
| 分类号 |
B41J2/045;G06F21/62 |
主分类号 |
B41J2/045 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A fluid ejection device, comprising:
a printhead die including a plurality of nominally equal analog devices; and a storage element storing an authentication value, wherein the authentication value is generated based on comparisons of the measured electrical characteristics of at least some of the analog devices. |
| 地址 |
Houston TX US |
