# US 10,483,801 B2 · Integrated wireless resonant power charging and communication channel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,483,801 B2 - Document ID: US10483801B2 - Status: Granted - Kind: B2 - Application number: 14/982,761 - Filed: 2015-12-29 - Published: 2016-05-12 - Granted: 2019-11-19 - Earliest claimed: 2008-08-05 - Assignees: Avago Technologies International Sales Pte. Limited - Applicants: Broadcom Corporation - Inventors: James D. Bennett - Web page: https://patentgrep.com/patent/US10483801B2 ## CPC - H02J 50/12: of the resonant type - G06Q 20/3674: {involving authentication} - G06Q 50/06: Energy or water supply - H02J 7/04: Regulation of charging current or voltage - H02J 50/80: involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices - H04B 5/26: using coils - H04B 5/266: {One coil at each side, e.g. with primary and secondary coils} - H04B 5/79: for data transfer in combination with power transfer - H02J 7/42: with electronic devices having internal batteries, e.g. mobile phones - H02J 7/44: between battery management systems and power sources - H02J 7/47: Arrangements for checking compatibility or authentication between one component, e.g. a battery or a battery charger, and another component, e.g. a power source - H02J 7/485: {with provisions for charging different types of batteries} - H02J 7/90: Regulation of charging or discharging current or voltage - H02J 50/20: using microwaves or radio frequency waves - H04B 5/70: specially adapted for specific purposes - Y04S 50/12: Billing, invoicing, buying or selling transactions or other related activities, e.g. cost or usage evaluation - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR - H04B: TRANSMISSION - Y04S: SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS ## Abstract A power delivery system wirelessly delivers electric power and a communication signal to a target device. The power delivery system includes a power transmitting unit having a power source operable to source alternating current power and a sending resonant coupling component operable to couple the alternating current power to a coil for wireless power transmission by a non-radiated magnetic field at a target resonant frequency. The power transmitting unit is capable of dynamically tuning the wireless power transmission to the target resonant frequency wherein the target resonant frequency is specified dynamically. A communication module couples to the power transmitting unit and is operable to couple the communication signal to the non-radiated magnetic field. Operations may include target device authentication, target resonant frequency information communication, billing, and device management. ## Claims ### Claim 1 A wireless powering device for providing wireless power to a target device, the wireless powering device comprising: a power source; a communication circuit configured to receive a wireless power communication from the target device, the wireless power communication including target device authentication information; a target device authenticator coupled to the communication circuit, the target device authenticator configured to determine, based on the target device authentication information, a target resonant frequency to be used for transfer of wireless power to the target device; and a resonant coupling component coupled to the power source and to the target device authenticator, the resonant coupling component configured to receive information from the target device authenticator regarding the target resonant frequency, wherein the resonant coupling component is further configured to be dynamically tuned to generate a wireless power transmission at the target resonant frequency to transfer wireless power to the target device. ### Claim 2 (depends on 1) The wireless powering device of claim 1, wherein the wireless power is transferred via a non-radiated magnetic field. ### Claim 3 (depends on 1) The wireless powering device of claim 1, wherein the wireless power is transferred via a radiated magnetic field. ### Claim 4 (depends on 1) The wireless powering device of claim 1, wherein: the wireless power communication further comprises an indication of desired wireless power transmit level; and the resonant coupling component is further configured to adjust transmit power of the wireless power transmission based upon the indication of desired wireless power transmit level. ### Claim 5 (depends on 1) The wireless powering device of claim 1, wherein the wireless power communication and the wireless power transmission are in a common frequency band. ### Claim 6 (depends on 1) The wireless powering device of claim 1, wherein the wireless power communication is a Near Field Communication (NFC). ### Claim 7 (depends on 1) The wireless powering device of claim 1, wherein the wireless power communication and the wireless power transmission are in differing frequency bands. ### Claim 8 (depends on 6) The wireless powering device of claim 6, wherein the wireless power communication is a Radio Frequency (RF) communication and the wireless power transmission is a non-radiated magnetic field. ### Claim 9 (depends on 1) The wireless powering device of claim 1, wherein the wireless power communication from the target device is received by the communication circuit via the resonant coupling component. ### Claim 10 (depends on 1) The wireless powering device of claim 1, wherein: the target resonant frequency is a dynamic tuning target; and the resonant coupling component dynamically tunes to the target resonant frequency based upon closed loop wireless power communication with the target device. ### Claim 11 (depends on 1) The wireless powering device of claim 1, wherein the wireless power communication further includes at least one of: target device identity; a requested target resonant frequency; target device request for power delivery; target device billing information; target device power receipt level(s); or target device battery charge state. ### Claim 12 (depends on 1) The wireless powering device of claim 1, wherein the communication circuit is formed as an integrated circuit. ### Claim 13 (depends on 1) The wireless powering device of claim 1, wherein the communication circuit is further configured to communicate the target resonant frequency to the target device. ### Claim 14 (depends on 1) The wireless powering device of claim 1, wherein the resonant coupling component is further configured to adjust the target resonant frequency based upon feedback received from the target device via the communication circuit. ### Claim 15 (depends on 1) The wireless powering device of claim 1, wherein the target device authenticator comprises a target device identification database. ### Claim 16 A wireless powering device for providing wireless power to a target device, the wireless powering device comprising: a power source; a communication circuit configured to receive a wireless power communication from the target device, the wireless power communication including target device authentication information; a target device authenticator coupled to the communication circuit, the target device authenticator configured to determine, based on the target device authentication information, a target resonant frequency and a target operating parameter to be used for transfer of wireless power to the target device; and a resonant coupling component coupled to the power source and to the target device authenticator, the resonant coupling component configured to receive information from the target device authenticator regarding the target resonant frequency and the target operating parameter, wherein the resonant coupling component is configured to be dynamically tuned to generate a wireless power transmission based upon the target resonant frequency and the target operating parameter to transfer wireless power to the target device. ### Claim 17 (depends on 16) The wireless powering device of claim 16, wherein the target operating parameter relates to a level of power delivery to the target device. ### Claim 18 (depends on 17) The wireless powering device of claim 17, wherein the resonant coupling component is configured to adjust its operating current based upon the target operating parameter. ### Claim 19 (depends on 16) The wireless powering device of claim 16, wherein the wireless power is transferred via a non-radiated magnetic field. ### Claim 20 (depends on 16) The wireless powering device of claim 16, wherein the wireless power is transferred via a radiated magnetic field. ### Claim 21 (depends on 16) The wireless powering device of claim 16, wherein: the target operating parameter comprises an indication of desired wireless power transmit level; and the resonant coupling component is further configured to adjust transmit power of the wireless power transmission based upon the indication of desired wireless power transmit level. ### Claim 22 (depends on 16) The wireless powering device of claim 16, wherein the wireless power communication and the wireless power transmission are in a common frequency band. ### Claim 23 (depends on 16) The wireless powering device of claim 16, wherein the wireless power communication is a Near Field Communication (NFC). ### Claim 24 (depends on 16) The wireless powering device of claim 16, wherein the wireless power communication and the wireless power transmission are in differing frequency bands. ### Claim 25 (depends on 24) The wireless powering device of claim 24, wherein the wireless power communication is a Radio Frequency (RF) communication and the wireless power transmission is a non-radiated magnetic field. ### Claim 26 (depends on 16) The wireless powering device of claim 16, wherein the wireless power communication from the target device is received from the resonant coupling component. ### Claim 27 (depends on 16) The wireless powering device of claim 16, wherein the wireless power communication further includes at least one of: target device identity; a requested target resonant frequency; target device request for power delivery; target device billing information; target device power receipt level(s); or target device battery charge state. ### Claim 28 (depends on 16) The wireless powering device of claim 16, wherein the communication circuit is formed as an integrated circuit. ### Claim 29 A wireless powering device for providing wireless power to a target device, the wireless powering device comprising: an integrated circuit formed including a communication circuit, a target device authenticator, and a source power manager, the integrated circuit coupled to a sending resonant coupling component, wherein the integrated circuit is configured to: receive a wireless power communication from the target device, the wireless power communication including target device authentication information; based on the target device authentication information, dynamically determine a target resonant frequency and a target operating parameter to be used for transfer of wireless power to the target device based upon the wireless power communication; and control the sending resonant coupling component to generate a wireless power transmission based upon the target resonant frequency and the target operating parameter to transfer wireless power to the target device. ### Claim 30 (depends on 29) The wireless powering device of claim 29, wherein the sending resonant coupling component is further formed as part of the integrated circuit. ### Claim 31 (depends on 29) The wireless powering device of claim 29, wherein the target operating parameter relates to a level of power delivery to the target device. ### Claim 32 (depends on 31) The wireless powering device of claim 31, wherein the integrated circuit is configured to adjust operating current of the sending resonant coupling component based upon the target operating parameter. ### Claim 33 (depends on 29) The wireless powering device of claim 29, wherein the wireless power is transferred via a non-radiated magnetic field. ### Claim 34 (depends on 29) The wireless powering device of claim 29, wherein the wireless power is transferred via a radiated magnetic field. ### Claim 35 (depends on 29) The wireless powering device of claim 29, wherein: the target operating parameter comprises an indication of desired wireless power transmit level; and wherein the integrated circuit is further configured to control the sending resonant coupling component to adjust transmit power of the wireless power transmission based upon the indication of desired wireless power transmit level. ### Claim 36 (depends on 29) The wireless powering device of claim 29, wherein the wireless power communication and the wireless power transmission are in a common frequency band. ### Claim 37 (depends on 29) The wireless powering device of claim 29, wherein the wireless power communication is a Near Field Communication (NFC). ### Claim 38 (depends on 29) The wireless powering device of claim 29, wherein the wireless power communication and the wireless power transmission are in differing frequency bands. ### Claim 39 (depends on 38) The wireless powering device of claim 38, wherein the wireless power communication is a Radio Frequency (RF) communication and the wireless power transmission is a non-radiated magnetic field. ### Claim 40 (depends on 29) The wireless powering device of claim 29, wherein the wireless power communication from the target device is received by the source power manager via the sending resonant coupling component. ### Claim 41 (depends on 29) The wireless powering device of claim 29, wherein the wireless power communication further includes at least one of: target device identity; a requested target resonant frequency; target device request for power delivery; target device billing information; target device power receipt level(s); or target device battery charge state.