The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 2020
Filed:
Dec. 10, 2018
Inventec (Pudong) Technology Corporation, Shanghai, CN;
Inventec Corporation, Taipei, TW;
Peng Zhan, Shanghai, CN;
Jiang-Tao Yuan, Shanghai, CN;
INVENTEC (PUDONG) TECHNOLOGY CORPORATION, Shanghai, CN;
INVENTEC CORPORATION, Taipei, TW;
Abstract
A fan control circuit comprises: a fan controller connected with at least one fan connector, connected with a baseboard management controller (BMC) via integrated circuit bus communication lines and outputting a BMC fan signal wherein said fan controller is powered by a main power supply, and a baseboard status detection circuit connected with the BMC and the fan controller respectively, detecting a heartbeat signal of the BMC, and controlling an output of a fan pulse signal according to the heartbeat signal so as to control a fan connected with the fan controller to operate normally.