公开(公告)号：US20210036558A1

公开(公告)日：2021-02-04

申请号：US16934511

申请日：2020-07-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taehyun WOO ,  Yongsik NAM ,  Youngjoon PARK ,  Jungsu PARK ,  Woojin JUNG

IPC: H02J50/80 ,  H02J50/10

Abstract: A wireless charging device in communication with an electronic device is provided. The wireless charging device includes a charging circuit configured to communicate with the electronic device at a first frequency that is included in a frequency band of the electronic device and supple power received from an external power source to the electronic device depending on a communication result at the first frequency, and a control circuit configured to convert the first frequency, based on a response of the electronic device to a first connection signal that is transmitted from the charging circuit to the electronic device.

公开(公告)号：US20240266740A1

公开(公告)日：2024-08-08

申请号：US18640585

申请日：2024-04-19

Applicant: Samsung Electronics Co., Ltd. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION YONSEI UNIVERSITY

Inventor： Yongsik NAM ,  Taehyun WOO ,  Youngjoong YOON ,  Donghyun KIM ,  Chanyeong PARK ,  Myeounghyeoun DO ,  Taegyeong HAN

IPC: H01Q7/00 ,  H01Q1/22 ,  H01Q1/27 ,  H01Q5/25

CPC classification number: H01Q7/00 ,  H01Q1/2291 ,  H01Q1/273 ,  H01Q5/25

Abstract: A wearable electronic device is provided. The wearable electronic device includes a housing, a printed circuit board disposed inside the housing and including wireless communication circuitry and a ground part, and an antenna disposed inside the housing and electrically connected to the wireless communication circuitry, wherein the antenna includes a conductive pattern, a feeding member electrically connected to the wireless communication circuitry through a feeding point and configured to electrically connect a first point of the conductive pattern and a first point of the ground part, a short-circuit member configured to electrically connect a second point of the conductive pattern and a second point of the ground part, and a capacitive loading member disposed between the feeding member and the short-circuit member having a first part operatively coupled to a third point of the conductive pattern and a second part electrically connected to a third point of the ground part.

公开(公告)号：US20230217409A1

公开(公告)日：2023-07-06

申请号：US18119622

申请日：2023-03-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yongsik NAM ,  Jaekwang SIM

IPC: H04W64/00 ,  H04W4/02 ,  H04W4/80 ,  H04B17/318

CPC classification number: H04W64/006 ,  H04B17/318 ,  H04W4/023 ,  H04W4/80

Abstract: An electronic device includes: a communication circuit; a memory storing one or more instructions; and at least one processor electrically connected with the communication circuit, and configured to execute the one or more instructions to: control the communication circuit to transmit a first short-range wireless communication signal having a first output intensity; and control the communication circuit to transmit a second short-range wireless communication signal having a second output intensity that is different from the first output intensity.