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:
Jul. 05, 2011
Filed:
Aug. 08, 2008
Chia-pin Wei, Taoyuan Hsien, TW;
Wei-shuo Tseng, Taoyuan Hsien, TW;
Chia-Pin Wei, Taoyuan Hsien, TW;
Wei-Shuo Tseng, Taoyuan Hsien, TW;
Delta Electronics, Inc., Taoyuan Hsien, TW;
Abstract
A fan system includes a control device and a fan device. The control device has a first node, a rotation speed signal generation circuit and a rotation speed reading circuit. The fan device has a second node, a signal transforming circuit, a motor driving circuit, a motor and a fan. The first node is electrically connected with the second node to set up a transmission route between the control device and the fan device. The rotation speed control signal and the motor rotation speed signal are transmitted via the two-way transmission route, and the control device controls the fan device via a wired or wireless transmission route. A motor control device is also disclosed.