公开(公告)号：US09626259B2

公开(公告)日：2017-04-18

申请号：US14337882

申请日：2014-07-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hwan-Jin Yong ,  Donghyun Song ,  Janghwan Kim ,  Young-Goo Ko ,  Hyuck-Sun Kwon ,  Taek-Sung Kim ,  Kwang-Ho Kim ,  Byungjin Ahn ,  Dongjin Lee ,  Byungse So ,  Jong-Gyu Park ,  Kyoungsub Oh ,  Kwan-Jong Park ,  Jong-Soo Seo ,  Tae-Hwa Yoo ,  Min-Ho Kim

IPC: G06F11/20 ,  G06F1/30 ,  G06F11/14 ,  G06F1/28

CPC classification number: G06F11/2015 ,  G06F1/28 ,  G06F1/305 ,  G06F11/1441 ,  G06F2201/85

Abstract: A user device is provided. The device includes a main power supply, and an auxiliary power supply. The main power supply provides a main power. The auxiliary power supply cuts off the main power according to a power level of the main power supply and provides an auxiliary power upon Sudden Power-Off (SPO).