公开(公告)号：US10705155B2

公开(公告)日：2020-07-07

申请号：US16038802

申请日：2018-07-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Su-yong An ,  Byung-ok Kang ,  Woo-sung Lee ,  Jae-woong Choi ,  Young-sang Cho

IPC: G01R31/40 ,  G11C29/02 ,  G01R31/26 ,  G11C5/14 ,  H02J7/34 ,  G11C16/34 ,  G11C29/00 ,  H02J7/00 ,  G01R31/64 ,  G11C29/04

Abstract: Power management apparatuses are provided. A power management apparatus includes a secondary power device that includes at least one capacitor. The power management apparatus includes a charging circuit that includes a direct current (DC)-DC converter and that is configured to supply power to the secondary power device. Moreover, the power management apparatus includes a measuring circuit that is configured to measure a switching profile of the DC-DC converter, and to determine a state of the secondary power device by comparing at least one time period of the switching profile with a reference time. Related memory systems and methods of operation are also provided.

公开(公告)号：US20190162797A1

公开(公告)日：2019-05-30

申请号：US16038802

申请日：2018-07-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Su-yong An ,  Byung-ok Kang ,  Woo-sung Lee ,  Jae-woong Choi ,  Young-sang Cho

IPC: G01R31/40 ,  G01R31/02 ,  G11C29/02 ,  G01R31/26 ,  G11C16/34 ,  G11C5/14 ,  H02J7/00 ,  H02J7/34

Abstract: Power management apparatuses are provided. A power management apparatus includes a secondary power device that includes at least one capacitor. The power management apparatus includes a charging circuit that includes a direct current (DC)-DC converter and that is configured to supply power to the secondary power device. Moreover, the power management apparatus includes a measuring circuit that is configured to measure a switching profile of the DC-DC converter, and to determine a state of the secondary power device by comparing at least one time period of the switching profile with a reference time. Related memory systems and methods of operation are also provided.

公开(公告)号：US20150335116A1

公开(公告)日：2015-11-26

申请号：US14759592

申请日：2014-01-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byoung-woo Kim ,  Jeong-ho Kim ,  Wan-ju Byun ,  Sung-ho Jung ,  Young-sang Cho

IPC: A45C11/00 ,  H05K5/03 ,  A45F5/00 ,  H05K5/00

CPC classification number: A45C11/00 ,  A45C2011/002 ,  A45C2011/003 ,  A45F5/00 ,  H04B1/3888 ,  H04M1/185 ,  H04M1/72575 ,  H04M2250/18 ,  H05K5/0017 ,  H05K5/0086 ,  H05K5/03

Abstract: According to one embodiment of the present invention, a protective case for a mobile device comprises: a case body attached to the mobile device; and an external mount keypad unit which is arranged in the case body and which includes a plurality of key pads that are to be used in the mobile device.

Abstract translation: 根据本发明的一个实施例，用于移动设备的保护壳包括：附接到移动设备的壳体; 以及外部安装键盘单元，其布置在壳体中并且包括要在移动设备中使用的多个键盘。