Samsung Electronics Co., Ltd.

Hyangbok Lee

Jongho Park

Hyungjoon Yu

Youngjun Park

Youngkwon Lee

Yongbin Yoon

Hyunsoo Kim

Sung-Soo Kim

Dongil Son

Hyunseok Kim

Junghoon Park

Young Su Heo

Min-Seok Kim

Yonghwa Kim

Seunggoo Kang

Hoyeong Lim

Yongseung Yi

Dongyup Lee

Taelee Lee

Soonheung Kwon

Sigwan Kim

Won-Seob Kim

Taekkyun Choi

Byoung-Ryoul Song

Yoon-Goo Nam

Seung-Hwa Shin

Various embodiments of an electronic device for matching an antenna impedance may include an antenna, a wireless communication module, an impedance matching module, and at least one processor, wherein the at least one processor is configured to: select a first index corresponding to an impedance of the antenna among a plurality of sampled indexes through a first measurement in which a tuning code of the impedance matching module is configured as a reference code; identify a use environment corresponding to the first index; select a second index corresponding to the impedance of the antenna among the plurality of sampled indexes through a second measurement in which the tuning code of the impedance matching module is configured as the reference code and as a ground code corresponding to the use environment; and adjust the impedance of the antenna based on a tuning code corresponding to the second index.

Electronic device for matching antenna impedance and operating method thereof

Disclosed are various embodiments relating to a circuit board included in an electronic device and, according to one embodiment, the circuit board can comprise: at least one wire included on the circuit board, at least one conductive structure arranged on the circuit board in order to reinforce the circuit board, and arranged in order to electrically connect the at least one wire; and at least one conductive member included on the circuit board, and electrically connecting the at least one wire with the at least one conductive structure, and additional other various embodiments are possible.

Circuit board including conductive structure for electrically connecting wires, and electronic device including same

Various examples of the present invention relate to a device and a method for improving wireless communication performance in an electronic device. The electronic device comprises multiple antennas, a communication circuit connected to the multiple antennas, a connector, and at least one processor, wherein the processor checks whether a wired cable is connected through the connector and, if the wired cable is connected through the connector, can perform control such that communication using the multiple antennas corresponding to the connection of the wired cable is performed. Other examples can be possible.

Method for improving wireless communication performance and electronic device therefor

A charging control method of a master device receiving an operating power from an auxiliary battery device or an internal battery, the auxiliary battery device including a battery having a first power supply and a first power supply output port for outputting the first power supply, is provided. The method includes converting a second power supply to the first power supply upon detecting the second power supply at an input port of the master device in order to provide the converted first power supply as an operating power of the master device and/or a charging power of the internal battery, and detecting a connection with the auxiliary battery device upon detecting the first power supply at the input port in order to provide the first power supply as the operating power of the master device and/or the charging power of the internal battery without voltage drop.

Device and method for charging a master device using a detachable device

Growing community of inventors

Suwon-si, South Korea

Hyangbok Lee