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:
Nov. 12, 2002
Filed:
May. 03, 2001
Tsung Hsun Wu, Taoyuan, TW;
Chuan Chu Chen, Taoyuan, TW;
Acer Communications and Multimedia Inc., Taoyuan, TW;
Abstract
The present invention provides a power supply apparatus for outputting an output voltage according to a first signal from outside, the power supply apparatuses comprises a rectifier, a power transformer, a power control circuit, and a switching device. The rectifier is provided for supplying a DC voltage source. The power transformer receives the DC voltage source, then outputs the output voltage and a second signal. The power control circuit is provided for controlling the output voltage of the power transformer according to the second signal, then the switching device outputs the second signal to the power control circuit according to the first signal.