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:
Apr. 21, 2015
Filed:
Oct. 28, 2013
Samsung Electronics Co., Ltd, Suwon-si, Gyeonggi-do, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A user system is provided which includes a storage device and an auxiliary power device configured to supply a power to the storage device, wherein the auxiliary power device includes a first one direction device configured to supply a supply voltage from an external power supply to the storage device, a charging unit configured to be charged by the external power supply, a second one direction device configured to selectively supply an output voltage of the charging unit to the storage device, a voltage detector configured to detect a level of the output voltage of the charging unit and to output a first control signal to the storage device, and a switching unit connected between the charging unit and the second one direction device and configured to operate in response to a second control signal from the storage device.