公开(公告)号：US11271284B2

公开(公告)日：2022-03-08

申请号：US16761696

申请日：2018-10-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yu Su Kim ,  Ju Hyang Lee ,  Kyung Min Park

IPC: H01Q1/24 ,  G06Q20/14 ,  H01Q7/00 ,  H05K1/02

Abstract: An electronic device according to an embodiment of the disclosure may include a loop antenna, a printed circuit board including a power wire and a ground wire, a first switch electrically connected between a first terminal of the loop antenna and the power wire, a second switch electrically connected between the first terminal and the ground wire, a third switch electrically connected between a second terminal of the loop antenna and the power wire, a fourth switch electrically connected between the second terminal and the ground wire, and a controller.

公开(公告)号：US10938243B2

公开(公告)日：2021-03-02

申请号：US16328361

申请日：2017-08-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dong Zo Kim ,  Kyoung Won Kim ,  Han Seok Park ,  Se Ho Park ,  Yu Su Kim ,  Keum Su Song ,  Ju Hyang Lee ,  Hyung Koo Chung ,  Kyung Min Park ,  Yong Sang Yun

IPC: H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H02J50/12 ,  H02J7/02 ,  H04B5/00

Abstract: A power transmitting unit is provided. The power transmitting unit includes a signal generator configured to generate a signal of a first frequency band for wireless charging, a power generation circuit configured to generate a modulation signal for modulating the signal of the first frequency band generated by the signal generator, and amplify a transmit power of the signal of the first frequency band based on voltage supplied from the outside of the power transmitting unit, a power transmission circuit configured to transmit the amplified transmit power to a power receiving unit via a first antenna, a second antenna configured to receive information about a charging state from the power receiving unit through a second frequency band, and a control circuit configured to control a duty and frequency of the modulation signal based on the charging state.

公开(公告)号：US09996398B2

公开(公告)日：2018-06-12

申请号：US15138366

申请日：2016-04-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Gyeong Taek Lee ,  Seung Kyu Kim ,  Kyung Min Park ,  Jong Lae Park ,  Ji Eun Park

IPC: G06F9/50 ,  G06F9/48

CPC classification number: G06F9/5088 ,  G06F9/4893 ,  Y02D10/24

Abstract: An application processor includes a first core and a second core. The first core is configured to implement a scheduler which monitors a workload of a task of the first core, and the first core is further configured to implement an idle checker which determines whether the second core is idle.