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.

Date of Patent:
Feb. 23, 2010

Filed:

Nov. 22, 2005
Applicants:

Tsung-jung Hsieh, Taoyuan Hsien, TW;

Yu-liang Lin, Taoyuan Hsien, TW;

Yueh-lung Huang, Taoyuan Hsien, TW;

Ming-shi Tsai, Taoyuan Hsien, TW;

Inventors:

Tsung-Jung Hsieh, Taoyuan Hsien, TW;

Yu-Liang Lin, Taoyuan Hsien, TW;

Yueh-Lung Huang, Taoyuan Hsien, TW;

Ming-Shi Tsai, Taoyuan Hsien, TW;

Assignee:

Delta Electronics, Inc., Taoyuan Hsien, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D 17/00 (2006.01); G05B 11/28 (2006.01); H02P 23/00 (2006.01); H05K 7/20 (2006.01); G06F 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fan control device receives a target revolution signal to control a rotation speed of a fan. The device includes a temperature measuring module, a revolution modulating module and a driving module. The temperature measuring module generates a temperature value according to an ambient temperature of the fan. The revolution modulating module is electrically connected with the temperature measuring module, receives the temperature value, and generates a control signal according to the temperature value and the target revolution signal. The driving module is electrically connected with the revolution modulating module, and generates a driving signal to drive the fan according to the control signal. In addition, a fan control method, which is applied to the fan control device, is also provided.


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