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:
Jan. 16, 2007
Filed:
Feb. 16, 2006
Chia-feng Wu, Taoyuan Hsien, TW;
Cheng-chieh Liu, Taoyuan Hsien, TW;
Ching-sen Hsieh, Taoyuan Hsien, TW;
Tsung-jung Hsieh, Taoyuan Hsien, TW;
Yueh-lung Huang, Taoyuan Hsien, TW;
Chia-Feng Wu, Taoyuan Hsien, TW;
Cheng-Chieh Liu, Taoyuan Hsien, TW;
Ching-Sen Hsieh, Taoyuan Hsien, TW;
Tsung-Jung Hsieh, Taoyuan Hsien, TW;
Yueh-Lung Huang, Taoyuan Hsien, TW;
Delta Electronics, Inc., Taoyuan Hsien, TW;
Abstract
A fan control device receives a reference revolution signal to control the rotation speed of a fan. The fan control device includes a reference signal generating module, a revolution modifying module and a fan driving module. The reference signal generating module generates a first reference signal and a second reference signal. The revolution modifying module receives the first reference signal and the second reference signal, and generates a target revolution signal according to the reference revolution signal and the first and second reference signals. The fan driving module receives the target revolution signal and generates a driving signal to drive the fan according to the target revolution signal.