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:
Aug. 15, 2000
Filed:
Apr. 22, 1998
Hong-Ki Kim, Kyungki-do, KR;
SamSung Electronics Co., Ltd., Suwon, KR;
Abstract
A power control device of a computer system uses a universal serial bus (USB) hub for power control of a display monitor. The power control device includes: a rectifying section for converting an AC power of the display device into a DC voltage; a main SMPS (Switching Mode Power Supply) for supplying power to the display monitor after the DC voltage is switched and rectified; a microcomputer for determining the status of a power save mode to control the switching operation of the main SMPS; an auxiliary SMPS for supplying the power to the microcomputer when no power has been supplied from the USB hub; an auxiliary OFF controller for interrupting the operation of the auxiliary SMPS when the power has been applied from the USB hub; and an OFF controller for interrupting the operation of the main SMPS to execute a power OFF mode according to a DPMS.