# US 2025/0096607 A1 · System and method for infrastructure, vehicle and internet of things wireless chargers > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0096607 A1 - Document ID: US20250096607A1 - Status: Published application - Kind: A1 - Application number: 18/962,398 - Filed: 2024-11-27 - Published: 2025-03-20 - Earliest claimed: 2019-02-05 - Assignees: Mojo Mobility, Inc. - Applicants: Mojo Mobility Inc. - Inventors: Afshin Partovi - Web page: https://patentgrep.com/patent/US20250096607A1 ## CPC - 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} - H01F 5/003: {Printed circuit coils} - H01F 27/366: {made of ferromagnetic material} - H01F 38/14: Inductive couplings - H02J 50/12: of the resonant type - H02J 50/70: involving the reduction of electric, magnetic or electromagnetic leakage fields - H02J 2105/37: exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV] - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors - Y02T 90/14: Plug-in electric vehicles - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract Systems and methods for enabling transfer of power, from a wireless charger or power supply, to one or more receivers placed on or near the wireless charger or power supply, whereby the charging surface or coil is separated from the drive or control electronics is described. ## Claims ### Claim 1 A system for powering or charging one or multiple receivers or devices, comprising: a stand-alone coil assembly; a drive or control electronics unit housed separately from the stand-alone coil assembly; and a cable or set of wires connecting the stand-alone coil assembly with the drive or control electronics unit, wherein the coil assembly is driven by a half-bridge or full-bridge inverter circuit in the drive or control electronics unit. ### Claim 2 (depends on 1) The system of claim 1, wherein the coil assembly includes: one or more near field inductive wireless charging coils; one or more ferrite or flux guide layers; one or more metal or thermally conductive layers; one or more resonant capacitors; and/or one or more far field wireless charging antennas. ### Claim 3 (depends on 1) The system of claim 1, wherein the coil assembly includes: one or more thermal, proximity, or capacitive sensors; foreign object detection monitor coils; or electronics for communication and control of the sensors or foreign object detection. ### Claim 4 (depends on 1) The system of claim 1, wherein the coil assembly has a housing that is constructed with high thermal conductivity material or that has high thermal conductivity material embedded in a plastic or thermoplastic, rubber, silicone or other material or has a pattern on its surface so as to reduce unwanted heating and/or electromagnetic emissions. ### Claim 5 (depends on 1) The system of claim 1, wherein a drive or control electronics unit has a housing that is constructed with high thermal conductivity material or that has high thermal conductivity material embedded in a plastic or thermoplastic, rubber, silicone or other material or has a pattern on its surface so as to reduce unwanted heating and/or electromagnetic emissions. ### Claim 6 (depends on 1) The system of claim 1, wherein the stand-alone coil assembly and the drive or control electronics unit is located inside an automobile or transport vehicle. ### Claim 7 (depends on 1) The system of claim 1, comprising a plurality of stand-alone coil assemblies, each having a corresponding cable or set of wires that connects each stand-alone coil assembly with the drive or control electronics unit. ### Claim 8 (depends on 7) The system of claim 7, wherein each stand-alone coil assembly is each attached to or embedded near a top surface of a table, counter, desk, or counter. ### Claim 9 (depends on 8) The system of claim 8, wherein each stand-alone coil assembly is operated or driven by the separate drive or control electronics unit, and the separate drive or control electronic unit is mounted below the top surface. ### Claim 10 (depends on 7) The system of claim 7, wherein each stand-alone coil assembly is operated or driven by a separate drive or control electronics unit PCB, and the separate drive or control electronic unit PCBs are housed in a common housing. ### Claim 11 (depends on 7) The system of claim 7, wherein each stand-alone coil assembly is located inside an automobile or transport vehicle. ### Claim 12 (depends on 7) The system of claim 7, wherein each cable or set of wires for the stand-alone assemblies is connectorized at one or both ends to allow flexibility and ease of installation of the stand-alone assemblies. ### Claim 13 (depends on 2) The system of claim 2, wherein the stand-alone coil assembly contains multiple near field wireless charging coils, each coil optimized for a different type or size of receiver coil. ### Claim 14 (depends on 1) The system of claim 1, wherein the coil assembly includes at least one coil that is shaped like a racetrack or that exhibit a rectangular shape having an outer length and an outer width, such that the outer length is over twice as long as outer width. ### Claim 15 (depends on 1) The system of claim 1, wherein the coil assembly includes an outer coil and a number of inner coils each comprising a plurality of loops, and the outer coil and the inner coils are electrically connected such that the same current flows through all coils. ### Claim 16 (depends on 15) The system of claim 15, wherein the loops overlap each other and are constructed in multiple layers. ### Claim 17 (depends on 1) The system of claim 1, wherein the coil assembly is manufactured from wire, Litz wire, rigid or flexible Printed Circuit Board (PCB) or is stamped or formed from metal. ### Claim 18 (depends on 1) The system of claim 1, wherein the coil assembly is located at least 5 cm from the drive or control electronics unit.