公开(公告)号：US11855481B2

公开(公告)日：2023-12-26

申请号：US17939586

申请日：2022-09-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jungjoon Kim ,  Dohun Kim ,  Heecheol Ahn ,  Yeonsang Yun ,  Kyujae Jang ,  Minkwon Jeong

IPC: H02J7/34 ,  H02J7/00 ,  H03F3/21 ,  H03F1/02

CPC classification number: H02J7/345 ,  H02J7/00032 ,  H03F1/0216 ,  H03F3/21 ,  H02J2207/20 ,  H02J2207/50 ,  H03F2200/105

Abstract: An electronic device includes a battery, a plurality of capacitors, a converter that receives power from the battery and charges each of the plurality of capacitors to different voltages based on the power, a plurality of switches that switch a first path and a second path of each of the plurality of capacitors, and a controller. The controller selects a first switch among the plurality of switches based on a received signal, and controls the first switch such that a path of a capacitor connected to the first switch is switched from the first path to the second path, and the first path is a path which electrically connects each of the plurality of capacitors to the converter, the second path is a path which electrically connects each of the plurality of capacitors and a power amplifier (PA).

公开(公告)号：US11464018B2

公开(公告)日：2022-10-04

申请号：US17301360

申请日：2021-03-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaemoon Cha ,  Hyeyong Go ,  Kyujae Jang ,  Seongju Lee

IPC: H04W88/10 ,  H04W72/04

Abstract: According to various embodiments, an electronic device may comprise a communication processor; at least one RFIC connected to the communication processor; a first RFFE circuit connected to the at least one RFIC and configured to process a first signal corresponding to a first communication network; and a second RFFE circuit connected to the at least one RFIC and configured to process a second signal corresponding to a second communication network, and the communication processor may be configured to: identify a maximum frequency bandwidth that is supportable in the first communication network based on information received from the first communication network, and if the identified maximum frequency bandwidth is identified as a frequency bandwidth that is capable of being processed via the second RFFE circuit, transmit, via the second RFFE circuit, a third signal to the first communication network. Other various embodiments are possible.

公开(公告)号：US11211968B2

公开(公告)日：2021-12-28

申请号：US17026476

申请日：2020-09-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyujae Jang ,  Jungsik Min ,  Youngsik Byun ,  Hyoungtak Son ,  Kyungrok Lee

IPC: H04B1/525 ,  H04B1/401 ,  H04B1/00

Abstract: According to one or more embodiments, an electronic device comprises an antenna, a transceiver configured to generate a first signal which corresponds to a first frequency band and transmit the first signal to the antenna, a coupler electrically connected to the antenna and the transceiver, and a communication processor operatively connected to the transceiver, and the communication processor may be configured to identify whether the first signal is abnormal, at least partially based on at least part of the first signal, wherein the at least part of the first signal is a signal fed back through the coupler, and, based on identifying that the first signal is abnormal, control transmission power of the first signal during a set time interval. Other embodiments may be possible.

公开(公告)号：US12224780B2

公开(公告)日：2025-02-11

申请号：US17742838

申请日：2022-05-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyujae Jang ,  Cheonshik Kim ,  Juho Van ,  Jonghyeok Im ,  Daeyoung Jo ,  Youngjune Hong ,  Daehan Choi ,  Hyeyong Go ,  Yeongseob Lim ,  Sungyoul Cho ,  Taekyoung Jin

IPC: H04B1/04 ,  H03F3/24

Abstract: According to various embodiments, an electronic device may include: a communication processor, a radio frequency (RF) integrated circuit (RFIC) configured to receive a signal output from the communication processor and to modulate the signal into an RF signal, a power management circuit, a first power amplifier configured to amplify an RF signal output from the RFIC based on power supplied from the power management circuit, a second power amplifier configured to amplify the RF signal output from the RFIC based on the power supplied from the power management circuit, at least one capacitor connected in parallel to a power supply terminal of the first power amplifier, and at least one switch connected between the power supply terminal and the at least one capacitor, wherein the communication processor is configured to: identify a power amplification mode based a frequency band of the RF signal, and control the at least one switch by outputting a control signal corresponding to the identified power amplification mode.