| 发明名称 |
FAN OPERATION DETECTION |
| 摘要 |
Inputting an input resistance to an operational amplifier. Detecting whether a number of fans are in operation based on the input resistance to the operational amplifier by driving a number of resistors connected in series in a fan circuit associated with the number of fans. |
| 申请公布号 |
US2016258437(A1) |
申请公布日期 |
2016.09.08 |
| 申请号 |
US201315029934 |
申请日期 |
2013.10.23 |
| 申请人 |
Hewlett-Packard Development Company, L.P. |
发明人 |
Teixido Rovira Pedro Miguel;Sanz Ananos Santiago;Bayona Alcolea Fernando |
| 分类号 |
F04D27/00;G01R17/00;F04D29/58 |
主分类号 |
F04D27/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A system for fan operation detection, comprising:
a fan, comprising a circuit including a resistor in series with a transistor; and an operational amplifier that drives the resistor of the fan and detects operation of the fan based on an input resistance. |
| 地址 |
Houston TX US |
