# US 12,191,563 B2 · Electronic device and method for improving performance of antenna of electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,191,563 B2 - Document ID: US12191563B2 - Status: Granted - Kind: B2 - Application number: 17/687,117 - Filed: 2022-03-04 - Published: 2022-09-22 - Granted: 2025-01-07 - Earliest claimed: 2021-03-16 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Hyungkeun Kim - Web page: https://patentgrep.com/patent/US12191563B2 ## CPC - H01Q 1/273: {Adaptation for carrying or wearing by persons or animals} - H01Q 1/48: Earthing means; Earth screens; Counterpoises - G04G 21/04: using radio waves (radio-controlled time-pieces G04R) - H01Q 1/24: with receiving set - H01Q 1/243: {with built-in antennas} - H01Q 1/38: formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142)} - H01Q 1/46: Electric supply lines or communication lines - H01Q 5/328: between a radiating element and ground - H01Q 7/00: Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - G04G: ELECTRONIC TIME-PIECES ## Abstract An electronic device is provided. The electronic device may include a feeding unit configured to be provided with a feeding signal from a communication circuit of the electronic device, an antenna electrically connected to the feeding unit, a first electronic component disposed in the electronic device, a first mounting unit positioned in a first direction of the feeding unit and including a portion of the first electronic component, disposed near the antenna, a ground configured to provide a reference potential to the feeding unit, a first ground terminal and a second ground terminal, positioned on the first electronic component and included in a circuit configured to electrically connect the ground to the first electronic component, a first bead positioned between the second ground terminal and the first mounting unit, a first switch positioned at a side of the ground to electrically connect the ground to the first ground terminal or electrically connect the ground to the second ground terminal, and at least one processor configured to control an operation of the first switch. ## Claims ### Claim 1 An electronic device comprising: a feeding unit configured to be provided with a feeding signal from a communication circuit of the electronic device; an antenna electrically connected to the feeding unit; a first electronic component disposed in the electronic device; a first mounting unit positioned in a first direction of the feeding unit and comprising a portion of the first electronic component, disposed near the antenna; a ground; a first ground terminal and a second ground terminal, positioned on the first electronic component and included in a circuit configured to electrically connect the ground to the first electronic component; a first bead positioned between the second ground terminal and the first mounting unit; a first switch positioned at a side of the ground to electrically connect the ground to the first ground terminal or electrically connect the ground to the second ground terminal; and at least one processor configured to control an operation of the first switch, wherein the at least one processor is configured to: electrically connect the first switch to the first ground terminal such that the first mounting unit is electrically connected to the ground without going through the first bead, or electrically connect the first switch to the second ground terminal such that the first mounting unit is electrically connected to the ground through the first bead, and wherein the feeding unit is configured to apply a radio-frequency (RF) signal by using the first mounting unit disposed in the antenna. ### Claim 2 (depends on 1) The electronic device of claim 1, further comprising: a second mounting unit of a second electronic component disposed in the antenna; a third ground terminal and a fourth ground terminal configured to electrically connect the ground to the second mounting unit; a second switch positioned at a side of the ground to electrically connect the ground to at least one of the third ground terminal or the fourth ground terminal; and a second bead positioned between the fourth ground terminal and the second mounting unit, wherein the second mounting unit is positioned in a second direction different from the first direction, and wherein the at least one processor is further configured to: electrically connect the second switch to the third ground terminal to perform control such that the second mounting unit is electrically connected to the ground without going through the second bead, or electrically connect the second switch to the fourth ground terminal to perform control such that the second mounting unit is electrically connected to the ground through the second bead. ### Claim 3 (depends on 2) The electronic device of claim 2, wherein the at least one processor is further configured to: electrically connect the first switch to the first ground terminal to perform control such that the RF signal is applied through the first electronic component, and electrically connect the second switch to the fourth ground terminal to perform control such that the RF signal is not applied through the second electronic component. ### Claim 4 (depends on 2) The electronic device of claim 2, wherein the at least one processor is further configured to: electrically connect the first switch to the second ground terminal to perform control such that the RF signal is not applied through the first electronic component, and electrically connect the second switch to the third ground terminal to perform control such that the RF signal is applied through the second electronic component. ### Claim 5 (depends on 2) The electronic device of claim 2 wherein the at least one processor is further configured to: electrically connect the first switch to the second ground terminal to perform control such that the RF signal is not transmitted through the first electronic component, and electrically connect the second switch to the fourth ground terminal to perform control such that the RF signal is not transmitted through the second electronic component. ### Claim 6 (depends on 2) The electronic device of claim 2, wherein the at least one processor is further configured to: electrically connect the first switch to the first ground terminal to perform control such that the RF signal is applied through the first electronic component, and electrically connect the second switch to the third ground terminal to perform control such that the RF signal is applied through the second electronic component. ### Claim 7 (depends on 2) The electronic device of claim 2, wherein the first electronic component and the second electronic component comprise at least one of a barometer, an electrocardiogram (ECG)/Back key, a microphone (MIC), a power key, a speaker, or a universal bus (UB) flexible printed circuit board (FPCB). ### Claim 8 (depends on 2) The electronic device of claim 2, further comprising: a short pin disposed in the electronic device; and a third switch configured to electrically connect the short pin to the feeding unit, wherein the short pin is positioned in a third direction that is different from the first direction and the second direction of the feeding unit, and wherein the at least one processor is further configured to control on/off of the third switch. ### Claim 9 (depends on 8) The electronic device of claim 8, wherein the at least one processor is further configured to: electrically connect the first switch to the first ground terminal to perform control such that the RF signal is applied through the first electronic component or electrically connect the first switch to the second ground terminal to perform control such that the RF signal is not applied through the first electronic component, electrically connect the second switch to the third ground terminal to perform control such that the RF signal is applied through the second electronic component or electrically connect the second switch to the fourth ground terminal to perform control such that the RF signal is not applied through the second electronic component, and control the third switch to be opened or shorted. ### Claim 10 (depends on 1) The electronic device of claim 1, further comprising: a short pin disposed in the electronic device; and a second switch configured to electrically connect the short pin to the feeding unit, wherein the short pin is positioned in a second direction different from the first direction of the feeding unit, and wherein the at least one processor is further configured to control on/off of the second switch. ### Claim 11 (depends on 10) The electronic device of claim 10, wherein the at least one processor is further configured to: electrically connect the first switch to the first ground terminal to perform control such that the RF signal is transmitted through the first electronic component, and control the second switch to be opened. ### Claim 12 (depends on 10) The electronic device of claim 10, wherein the at least one processor is further configured to: electrically connect the first switch to the second ground terminal to perform control such that the RF signal is not transmitted through the first electronic component, and control the second switch to be shorted. ### Claim 13 (depends on 10) The electronic device of claim 10, wherein the at least one processor is further configured to: electrically connect the first switch to the second ground terminal to perform control such that the RF signal is not transmitted through the first electronic component, and control the second switch to be opened. ### Claim 14 (depends on 10) The electronic device of claim 10, wherein the at least one processor is further configured to: electrically connect the first switch to the first ground terminal to perform control such that the RF signal is applied through the first electronic component, and control the second switch to be shorted. ### Claim 15 A method for improving performance of an antenna of an electronic device, the method comprising: electrically connecting, by the electronic device, a first switch to a first ground terminal to perform control such that a first mounting unit is electrically connected to a ground without going through a first bead, or electrically connecting, by the electronic device, the first switch to a second ground terminal to perform control such that the first mounting unit is electrically connected to the ground through the first bead, wherein the first mounting unit is positioned in a first direction of a feeding unit and comprising a portion of a first electronic component, disposed near the antenna, wherein a ground is configured to provide a reference potential to the feeding unit, wherein the first ground terminal and the second ground terminal are configured to electrically connect the ground to the first mounting unit, wherein the first bead is positioned between the second ground terminal and the first mounting unit, wherein the first switch is positioned at a side of the ground to electrically connect the ground to the first ground terminal or electrically connect the ground to the second ground terminal, and wherein the feeding unit is configured to apply a radio-frequency (RF) signal by using the first mounting unit disposed in the antenna. ### Claim 16 (depends on 15) The method of claim 15, further comprising: electrically connecting a second switch to a third ground terminal to perform control such that a second mounting unit is electrically connected to the ground without going through a second bead, or electrically connecting the second switch to a fourth ground terminal to perform control such that the second mounting unit is electrically connected to the ground through the second bead, wherein the second mounting unit comprises a portion of a second electronic component, disposed near the antenna, wherein the third ground terminal and the fourth ground terminal are configured to electrically connect the ground to the second mounting unit, wherein the second switch is positioned at a side of the ground to electrically connect the ground to the third ground terminal or electrically connect the ground to the fourth ground terminal, and wherein the second bead is positioned between the fourth ground terminal and the second mounting unit. ### Claim 17 (depends on 16) The method of claim 16, further comprising: connecting the first switch to the first ground terminal to perform control such that a radio frequency (RF) signal is applied through the first electronic component, or connecting the first switch to the second ground terminal to perform control such that the RF signal is not applied through the first electronic component, connecting the second switch to the third ground terminal to perform control such that the RF signal is applied through the second electronic component, or connecting the second switch to the fourth ground terminal to perform control such that the RF signal is not applied through the second electronic component, and opening a third switch to electrically disconnect the feeding unit from a short pin or shorting the third switch to electrically connect the feeding unit to the short pin, wherein the short pin is disposed in the electronic device, and wherein the third switch is configured to electrically connect the short pin to the feeding unit. ### Claim 18 (depends on 16) The method of claim 16, wherein the first electronic component and the second electronic component comprise at least one among of a barometer, an electrocardiogram (ECG)/Back key, a microphone (MIC), a power key, a speaker, and or a universal bus (UB) flexible printed circuit board (FPCB). ### Claim 19 (depends on 16) The method of claim 16, further comprising: connecting the first switch to the first ground terminal to perform control such that the RF signal is applied through the first electronic component and opening the second switch, or connecting the first switch to the second ground terminal to perform control such that the RF signal is not applied through the first electronic component and shorting the second switch, wherein a short pin is disposed in the electronic device, and wherein a second switch is configured to electrically connect the short pin to the feeding unit.