# US 2014/0152116 A1 · Apparatus and method for transceiving wireless power > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0152116 A1 - Document ID: US20140152116A1 - Status: Published application - Kind: A1 - Application number: 14/094,048 - Filed: 2013-12-02 - Published: 2014-06-05 - Earliest claimed: 2012-12-05 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Ki Young KIM; Nikolay OLYUNIN; Alexander G. CHERNOKALOV; Mikhail MAKURIN; Vladimir Y. ARKHIPENKOV; Keum Su SONG - Web page: https://patentgrep.com/patent/US20140152116A1 ## CPC - H01F 38/14: Inductive couplings - H02J 7/34: Parallel operation in networks using both storage and other DC sources, e.g. providing buffering (H02J7/14 takes precedence) - H02J 50/005: {Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices} - H02J 50/12: of the resonant type - 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 5/79: for data transfer in combination with power transfer - H02J 50/40: using two or more transmitting or receiving devices (H02J50/50 takes precedence) - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - H04B: TRANSMISSION ## Abstract An apparatus configured to transceive wireless power, includes a magnetostrictive resonator configured to be excited by a magnetic field, and a soft magnetic material disposed in a vicinity of the magnetostrictive resonator. The apparatus further includes a transducing coil disposed in a vicinity of the magnetostrictive resonator or the soft magnetic material, and configured to convert mechanical energy generated by the excitation of the magnetostrictive resonator to electric energy. ## Claims ### Claim 1 An apparatus configured to transceive wireless power, the apparatus comprising: a magnetostrictive resonator configured to be excited by a magnetic field; a soft magnetic material disposed in a vicinity of the magnetostrictive resonator; and a transducing coil disposed in a vicinity of the magnetostrictive resonator or the soft magnetic material, and configured to convert mechanical energy generated by the excitation of the magnetostrictive resonator to electric energy. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the magnetostrictive resonator and the soft magnetic material are in a form of a rod. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the magnetostrictive resonator and the soft magnetic material are disposed with a distance less than a length of the magnetostrictive resonator therebetween. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein: the transducing coil and the magnetostrictive resonator are disposed with a distance less than a length of the magnetostrictive resonator therebetween; and the transducing coil and the soft magnetic material are disposed with a distance less than a length of the soft magnetic material therebetween. ### Claim 5 (depends on 1) The apparatus of claim 1, wherein the soft magnetic material is a high-permeability ferrite rod. ### Claim 6 (depends on 1) The apparatus of claim 1, wherein the magnetostrictive resonator and the soft magnetic material are aligned. ### Claim 7 (depends on 1) The apparatus of claim 1, wherein the magnetostrictive resonator is in a form of a tubular rod, and comprises a magnetostrictive ferrite material. ### Claim 8 (depends on 1) The apparatus of claim 1, wherein the magnetostrictive resonator is configured to have circular remanent magnetization, and vibrate in a torsional vibration mode in response to the magnetostrictive resonator being excited by the magnetic field. ### Claim 9 (depends on 1) The apparatus of claim 1, wherein the magnetostrictive resonator and the soft magnetic material are configured to have cylindrical dimensions. ### Claim 10 (depends on 1) The apparatus of claim 1, wherein the magnetostrictive resonator and the soft magnetic material are disposed to be parallel to each other in a two-dimensional or three-dimensional array. ### Claim 11 (depends on 1) The apparatus of claim 1, wherein the magnetostrictive resonator comprises magnetostrictive resonators configured to have equal resonant frequencies. ### Claim 12 An apparatus configured to transceive wireless power, the apparatus comprising: magnetostrictive resonators configured to be excited by a magnetic field; and a transducing coil disposed in a vicinity of the magnetostrictive resonators, and configured to convert mechanical energy generated by the excitation of the magnetostrictive resonators to electric energy. ### Claim 13 (depends on 12) The apparatus of claim 12, wherein the magnetostrictive resonators are in a form of a rod. ### Claim 14 (depends on 12) The apparatus of claim 12, wherein the transducing coil and the magnetostrictive resonators are disposed with a distance less than a length of the magnetostrictive resonators therebetween. ### Claim 15 (depends on 12) The apparatus of claim 12, wherein the magnetostrictive resonators are configured to have circular remanent magnetization, and vibrate in a torsional vibration mode in response to the magnetostrictive resonators being excited by the magnetic field. ### Claim 16 (depends on 12) The apparatus of claim 12, wherein the magnetostrictive resonators are aligned with a distance less than a length of the magnetostrictive resonators therebetween. ### Claim 17 (depends on 12) The apparatus of claim 12, wherein the magnetostrictive resonators are disposed to be parallel to each other with a distance less than a length of the magnetostrictive resonators therebetween. ### Claim 18 (depends on 12) The apparatus of claim 12, wherein the magnetostrictive resonators are disposed to be parallel to each other in a two-dimensional or three-dimensional array. ### Claim 19 (depends on 12) The apparatus of claim 12, wherein the magnetostrictive resonators are configured to have equal resonant frequencies. ### Claim 20 A matching method of a wireless power transmitting apparatus comprising a magnetostrictive resonator and a transducing coil, the method comprising: measuring an amount of power transmitted by the wireless power transmitting apparatus to a wireless power receiving apparatus; and adjusting a number of turns of the transducing coil, and/or positions of the transducing coil and the magnetostrictive resonator, until the measured amount of power is maximized. ### Claim 21 A matching method of a wireless power receiving apparatus comprising a magnetostrictive resonator and a transducing coil, the method comprising: measuring an amount of power received by the wireless power receiving apparatus from a wireless power transmitting apparatus; and adjusting a number of turns of the transducing coil, and/or positions of the transducing coil and the magnetostrictive resonator, until the measured amount of power is maximized. ### Claim 22 An apparatus comprising: a power transmitter comprising a magnetostrictive resonator and a transducing coil, and configured to wirelessly transmit power to another apparatus; and a matching unit configured to measure an amount of the transmitted power, and adjust a number of turns of the transducing coil, and/or positions of the transducing coil and the magnetostrictive resonator, until the measured amount of the transmitted power is a predetermined maximum value. ### Claim 23 (depends on 22) The apparatus of claim 22, further comprising: a power receiver comprising the magnetostrictive resonator and the transducing coil, and configured to wirelessly receive power from another apparatus; and a matching unit configured to measure an amount of the received power, and adjust the number of turns of the transducing coil, and/or the positions of the transducing coil and the magnetostrictive resonator, until the measured amount of the received power is a predetermined maximum value.