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:
Mar. 10, 2009
Filed:
May. 18, 2006
Applicant:
Chun-hsu Chen, Taipei County, TW;
Inventor:
Chun-Hsu Chen, Taipei County, TW;
Assignee:
Tyan Computer Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A universal driving apparatus of a computer system inputs two control signals of two different duty cycles through a speed control pin of a receptacle for connecting fans with the electricity supplied continuously. The differentiation percentage of the two speeds is compared with a threshold to identify the fan types. Therefore the computer system is capable of driving the identified fan correctly according to the result of the fan-type identification.