# US 12,005,789 B2 · Wireless charging with multiple charging locations > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,005,789 B2 - Document ID: US12005789B2 - Status: Granted - Kind: B2 - Application number: 18/335,856 - Filed: 2023-06-15 - Published: 2024-03-14 - Granted: 2024-06-11 - Earliest claimed: 2017-12-15 - Assignees: WiBotic Inc. - Applicants: WiBotic Inc. - Inventors: Benjamin Waters - Web page: https://patentgrep.com/patent/US12005789B2 ## CPC - B60L 53/12: Inductive energy transfer - B60L 53/36: by positioning the vehicle - B60L 53/38: specially adapted for charging by inductive energy transfer - B60L 53/67: Controlling two or more charging stations - B60L 58/27: by heating - H02J 7/92: with prioritisation of loads or sources - H02J 7/933: {the cycle being controlled or terminated in response to electric parameters} - H02J 50/10: using inductive coupling - H02J 50/40: using two or more transmitting or receiving devices (H02J50/50 takes precedence) - 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 - B60L 53/305: {Communication interfaces} - H02J 7/82: Control of state of charge [SOC] - H02J 7/84: Control of state of health [SOH] - 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 90/12: Electric charging stations - Y02T 90/14: Plug-in electric vehicles - Y02T 90/16: Information or communication technologies improving the operation of electric vehicles - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A charging status or a location of a wireless charger is provided. A vehicle may charge at a particular wireless charger based at least in part on the charging status of the wireless charger and/or the location of the wireless charger. ## Claims ### Claim 1 An unmanned autonomous vehicle comprising: a communication interface configured to receive charging station data from one or more charging stations by communicatively coupling directly to the charging stations via a first wireless communication channel; a processing module to select a charging station by processing the charging station data; and a wireless energy receiving module configured to communicatively couple to the selected charging station, wherein a receive charging coil of the wireless energy receiving module and a transmit charging coil of the selected charging station are configured to be communicatively coupled to each other via a second wireless communication channel, and wherein the wireless energy receiving module is configured to: receive an initial wireless energy from the transmit charging coil via the second wireless communication channel, wherein the initial wireless energy includes at least an authentication challenge signal; in response to the authentication challenge signal, measure electrical attributes comprising a battery current supplied to charge a battery of the unmanned autonomous vehicle; generate an authentication response signal based on the measured electrical attributes; and transmit the generated authentication response signal to the transmit charging coil. ### Claim 2 (depends on 1) The unmanned autonomous vehicle of claim 1, further comprising a propulsion mechanism to navigate the unmanned autonomous vehicle to the selected charging station. ### Claim 3 (depends on 1) The unmanned autonomous vehicle of claim 1, wherein the charging station data include location data, a charging station identifier, and a charging status of the charging station. ### Claim 4 (depends on 1) The unmanned autonomous vehicle of claim 1, wherein the charging station data are broadcasted from the charging stations and directly received by the communication interface. ### Claim 5 (depends on 1) The unmanned autonomous vehicle of claim 1, further comprising an impedance matching network configured to perform impedance matching by modifying impedance matching parameters of the impedance matching network based on the authentication challenge signal. ### Claim 6 (depends on 5) The unmanned autonomous vehicle of claim 5, wherein the impedance matching network is configured to perform the impedance matching based on a distance between the receive charging coil and the transmit charging coil. ### Claim 7 (depends on 1) The unmanned autonomous vehicle of claim 1, wherein a frequency band of the second wireless communication channel is lower than a frequency band of the first wireless communication channel. ### Claim 8 (depends on 1) The unmanned autonomous vehicle of claim 1, wherein the measured electrical attributes further comprise a battery voltage supplied to charge the battery of the unmanned autonomous vehicle. ### Claim 9 (depends on 1) The unmanned autonomous vehicle of claim 1, wherein the first wireless communication channel includes a plurality of frequency bands. ### Claim 10 (depends on 1) The unmanned autonomous vehicle of claim 1, wherein the unmanned autonomous vehicle is a quadcopter. ### Claim 11 (depends on 1) The unmanned autonomous vehicle of claim 1, wherein the wireless energy receiving module is further comprising a load to keep temperature of the battery within an optimized operating temperature of the battery. ### Claim 12 An unmanned autonomous vehicle comprising: a communication interface configured to receive charging station data from one or more charging stations by communicatively coupling directly to the charging stations via a first wireless communication channel; a processing module to select a charging station by processing the charging station data; a propulsion mechanism for moving the unmanned autonomous vehicle to the selected charging station; and a wireless energy receiving module configured to communicatively couple directly to the selected charging station via a second wireless communication channel for authentication of the unmanned autonomous vehicle by the charging station, wherein the wireless energy receiving module receives the wireless energy from the selected charging station after the charging station authenticates the unmanned autonomous vehicle, the wireless energy receiving module configured to be authenticated by: receiving an initial wireless energy from the charging station via the second wireless communication channel, wherein the initial wireless energy includes at least an authentication challenge signal, in response to the authentication challenge signal, measuring electrical attributes comprising a battery voltage and a battery current supplied to charge a battery of the unmanned autonomous vehicle, generating an authentication response signal based on the measured electrical attributes, and transmitting the generated authentication response signal to the charging station via the second wireless communication channel. ### Claim 13 (depends on 12) The unmanned autonomous vehicle of claim 12, wherein the charging station data include location data, a charging station identifier, and a charging status of the charging station. ### Claim 14 (depends on 12) The unmanned autonomous vehicle of claim 12, wherein the charging station data are broadcasted from the charging stations and directly received by the communication interface. ### Claim 15 (depends on 12) The unmanned autonomous vehicle of claim 12, wherein a frequency band of the second wireless communication channel is lower than a frequency band of the first wireless communication channel. ### Claim 16 (depends on 12) The unmanned autonomous vehicle of claim 12, wherein the first wireless communication channel includes a plurality of frequency bands. ### Claim 17 (depends on 12) The unmanned autonomous vehicle of claim 12, wherein the unmanned autonomous vehicle is a quadcopter. ### Claim 18 (depends on 12) The unmanned autonomous vehicle of claim 12, wherein the wireless energy receiving module further comprises a load to keep temperature of a battery of the unmanned autonomous vehicle within an optimized operating temperature of the battery. ### Claim 19 A computer-implemented method of charging a battery of an unmanned autonomous vehicle, the computer-implemented method comprising: receiving charging station data from one or more charging stations by communicatively coupling directly to the charging stations via a first wireless communication channel; selecting a charging station by processing the charging station data; in response to selecting the charging station, navigating the unmanned autonomous vehicle to the selected charging station; in response to navigating the unmanned autonomous vehicle to the selected charging station, receiving, at a receive charging coil of the unmanned autonomous vehicle, an initial wireless energy from a transmit charging coil of the selected charging station via a second wireless communication channel, wherein the receive charging coil and the transmit charging coil are configured to be communicatively coupled to each other via the second wireless communication channel, and wherein the initial wireless energy includes at least an authentication challenge signal; measuring electrical attributes from the authentication challenge signal, wherein the measured electrical attributes comprise a battery current supplied to charge a battery of the unmanned autonomous vehicle; generating an authentication response signal based on the measured electrical attributes; and transmitting the generated authentication response signal to the transmit charging coil. ### Claim 20 (depends on 19) The computer-implemented method of claim 19, wherein the charging station data include location data, a charging station identifier, and a charging station status.