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.:

US 7994759 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 09, 2011

Filed:

Apr. 13, 2009
Applicants:

Hsien-ting Huang, Tainan, TW;

Yaw-guang Chang, Tainan, TW;

Inventors:

Hsien-Ting Huang, Tainan, TW;

Yaw-Guang Chang, Tainan, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 1/577 (2006.01); G05F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present application describes a system and method for driving a power supply device in an initial activation stage. In one embodiment, the method comprises providing in the power supply device at least one voltage regulator that is coupled with a voltage output adapted to supply a power voltage to a client device, receiving a signal indicative of an activation of the power supply device, and converting the at least one voltage regulator to an equivalent shunting circuit coupled between the voltage output and a reference voltage. Before power voltages are applied at the outputs of the power supply device, shunting paths are thus provided for releasing undesired currents.


Find Patent Forward Citations

Huang, Hsien-Ting. (2011). System and method for driving a power supply device in an initial activation stage (U.S. Patent No. 7994759). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7994759

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