# US 11,115,082 B2 · Wireless power transmission/reception device and method used in electronic apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,115,082 B2 - Document ID: US11115082B2 - Status: Granted - Kind: B2 - Application number: 16/315,940 - Filed: 2017-03-28 - Published: 2019-07-25 - Granted: 2021-09-07 - Earliest claimed: 2016-07-07 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Ju-Hyang Lee; Keumsu Song; Dongzo Kim; Yusu Kim; Seho Park; Jung-Oh Sung; Mincheol Ha; Changjong Son; Seung-Nyun Kim; Yong Sang Yun - Web page: https://patentgrep.com/patent/US11115082B2 ## CPC - H04B 5/79: for data transfer in combination with power transfer - H01Q 1/22: by structural association with other equipment or articles - H01Q 1/24: with receiving set - H02H 9/04: responsive to excess voltage (lightning arrestors H01C7/12, H01C8/04, H01G9/18, H01T) - H02J 50/10: using inductive coupling - H02J 50/12: of the resonant type - H02J 50/70: involving the reduction of electric, magnetic or electromagnetic leakage fields - H02J 50/80: involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices - H02J 50/90: involving detection or optimisation of position, e.g. alignment - H04B 5/26: using coils - H04B: TRANSMISSION - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H02H: EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS (indicating or signalling undesired working conditions G01R, e.g. G01R31/00, G08B; locating faults along lines G01R31/08; emergency protective devices H01H) - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY ## Abstract According to one embodiment of the present invention, an electronic apparatus can comprises: at least one antenna; a first circuit for wirelessly receiving or transmitting power by using at least one part of the at least one antenna; a second circuit for performing at least one communication by using at least one part of the at least one antenna; a first electrical path for connecting the at least one antenna to the first circuit; a second electrical path for connecting the at least one antenna to the second circuit; a third electrical path for connecting a point on the first electrical path to a point on the second electrical path; and at least one passive element or active element connected to at least one of the first electrical path, the second electrical path, and the third electrical path. ## Claims ### Claim 1 An electronic device comprising: at least one antenna; a first circuit configured to wirelessly receive or transmit power using at least a portion of the at least one antenna; a second circuit configured to perform at least one type of communication using at least a portion of the at least one antenna; a first electric path configured to connect the at least one antenna and the first circuit; a second electric path configured to connect the at least one antenna and the second circuit; a third electric path configured to connect a point on the first electric path and a point on the second electric path; and at least one passive element or active element connected to at least one of the first electric path, the second electric path, and the third electric path, wherein the at least one passive element or active element blocks introduction of a wireless power signal into the second circuit when the first circuit wirelessly receives or transmits power via the at least one antenna. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein the at least one type of communication includes a short-range communication. ### Claim 3 (depends on 2) The electronic device of claim 2, wherein the at least one type of communication includes a magnetic secure transmission (MST), or a near field communication (NFC). ### Claim 4 (depends on 1) The electronic device of claim 1, wherein the first circuit wirelessly receives or transmits power in an electromagnetic induction manner or an electromagnetic resonance manner. ### Claim 5 (depends on 1) The electronic device of claim 1, wherein the at least one passive element or active element includes at least one capacitor connected to the third electric path. ### Claim 6 (depends on 1) The electronic device of claim 1, wherein the at least one passive element or active element is connected to the second electric path and includes a switch configured to electrically connect the at least one antenna and the second circuit to each other or to electrically disconnect the at least one antenna and the second circuit from each other. ### Claim 7 (depends on 6) The electronic device of claim 6, wherein the electronic device further comprises a control circuit electrically connected to the first circuit and to the second circuit, and wherein the control circuit adjusts the switch to an off state when the first circuit wirelessly receives or transmits power using at least a portion of the at least one antenna. ### Claim 8 (depends on 7) The electronic device of claim 7, further comprising: a detector configured to detect a state in which the first circuit wirelessly receives or transmits power using at least a portion of the at least one antenna. ### Claim 9 (depends on 1) The electronic device of claim 1, wherein the at least one antenna includes a first antenna and a second antenna, the first circuit wirelessly receives or transmits power using the first antenna, and the second circuit performs at least one type of communication using the first antenna and the second antenna. ### Claim 10 (depends on 9) The electronic device of claim 9, wherein the first antenna includes a first conductive line extending from a first end to a second end, and the second antenna includes a second conductive line extending from a point on the conductive line to a third end. ### Claim 11 (depends on 10) The electronic device of claim 10, wherein the at least one antenna includes a first contact formed at or near the first end of the first conductive line, a second contact formed at or near the second end of the first conductive line, and a third contact formed at or near the third end of the second conductive line, and wherein the first circuit and the second circuit are electrically connected to the at least one antenna through the first contact, the second contact, and the third contact. ### Claim 12 (depends on 9) The electronic device of claim 9, wherein the at least one antenna further includes a third antenna, wherein the electronic device further comprises a third circuit configured to wirelessly receive or transmit power using the third antenna. ### Claim 13 (depends on 12) The electronic device of claim 12, wherein the first circuit wirelessly receives or transmits power in an electromagnetic induction manner, and wherein the third circuit wirelessly receives or transmits power in an electromagnetic resonance manner. ### Claim 14 (depends on 1) The electronic device of claim 1, wherein the first circuit and the second circuit are formed as a single integrated circuit (IC). ### Claim 15 (depends on 1) The electronic device of claim 1, wherein at least a portion of the at least one antenna includes a wound portion including a plurality of turns. ### Claim 16 (depends on 1) The electronic device of claim 1, further comprising: a housing including a first face oriented in a first direction and a second face oriented in a second direction, which is opposite the first direction, wherein the at least one antenna is disposed in a plane that is located between the first face and the second face and is substantially parallel to the first face. ### Claim 17 (depends on 1) The electronic device of claim 1, wherein the at least one passive element or active element includes a transient voltage suppressor (TVS) diode connected to the second electric path. ### Claim 18 A method of operating an electronic device, comprising: wirelessly receiving or transmitting power through at least one antenna; and isolating a short-range wireless communication circuit in the electronic device from wireless power when wirelessly receiving or transmitting power through the at least one antenna, wherein the short-range wireless communication circuit is configured to wirelessly transmit data based on at least one of wireless fidelity (Wi-Fi) communication, Bluetooth communication, near field communication (NFC), global navigation satellite system (GNSS) communication or magnetic secure transmission (MST) communication. ### Claim 19 (depends on 18) The method of claim 18, wherein the isolating disconnects the electrical connection between the at least one antenna and the short-range wireless communication circuit.