Wireless charging and powering of electronic devices in a vehicle
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-007/00
H02J-007/02
출원번호
US-0585370
(2014-12-30)
등록번호
US-9876379
(2018-01-23)
발명자
/ 주소
Leabman, Michael A.
Brewer, Gregory Scott
출원인 / 주소
Energous Corporation
대리인 / 주소
Morgan, Lewis & Bockius LLP
인용정보
피인용 횟수 :
0인용 특허 :
173
초록▼
Configurations and methods of wireless power transmission for charging or powering one or more electronic devices inside a vehicle are disclosed. A transmitter capable of single or multiple pocket-forming may be connected to a car lighter, where this transmitter may include a circuitry module and an
Configurations and methods of wireless power transmission for charging or powering one or more electronic devices inside a vehicle are disclosed. A transmitter capable of single or multiple pocket-forming may be connected to a car lighter, where this transmitter may include a circuitry module and an antenna array integrated within the transmitter, or operatively connected through a cable. This cable may allow the positioning of the antenna array in different locations inside the vehicle suitable for directing RF waves or pockets of energy towards one or more electronic devices. Transmitter's configuration can be accessed by one or more electronic devices through Bluetooth communication in order to set up charging or powering priorities.
대표청구항▼
1. A method for wireless power transmission, the method comprising: scanning, using a wireless communication component of a transmitter, for available receivers within a vehicle that are authorized to receive wirelessly delivered power from the transmitter;detecting, by the transmitter, a first rece
1. A method for wireless power transmission, the method comprising: scanning, using a wireless communication component of a transmitter, for available receivers within a vehicle that are authorized to receive wirelessly delivered power from the transmitter;detecting, by the transmitter, a first receiver and a second receiver of the available receivers within the vehicle based on the scanning;while continuing to scan for available receivers within the vehicle: receiving, by a connector of the transmitter, where the connector is coupled to a power source of the vehicle, electrical current from the power source that is used by the transmitter to generate a plurality of power waves;transmitting, by a plurality of antennas of the transmitter, a first set of the plurality of power waves, such that the first set of the plurality of power waves converge to form a first constructive interference pattern in proximity to a location of the first receiver within the vehicle;receiving, by the wireless communication component of the transmitter, a charging request from the second receiver within the vehicle, wherein the charging request: (i) corresponds to a request for wirelessly delivered power from the transmitter, and(ii) is sent by the second receiver when a charge level of the second receiver is less than a minimum level of charge; andadjusting, by a controller of the transmitter, respective gains and phases of at least a second set of the plurality of power waves, andtransmitting the second set of the plurality of power waves such that the second set of the plurality of power waves converge to form a second constructive interference pattern, distinct from the first constructive interference pattern, in proximity to a location of the second receiver within the vehicle. 2. The method of claim 1, wherein the electrical current from the power source is received by the connector of the transmitter via a vehicle lighter socket that is operatively connected to the transmitter. 3. The method of claim 2, wherein the transmitter is positioned within a cylinder configured for the vehicle lighter socket. 4. The method of claim 1, wherein the first receiver is associated with an electronic device selected from a group consisting of a laptop computer, a mobile phone, a gaming device, a tablet computer, a music player, and a portable device comprising a rechargeable battery. 5. The method of claim 1, further comprising, before transmitting the first set of the plurality of power waves, receiving, by the wireless communication component of the transmitter, a charging request from the first receiver. 6. The method of claim 5, wherein the charging request comprises a power level of a battery of an electronic device associated with the first receiver, and wherein the charging request uses a wireless communication protocol selected from the group consisting of Bluetooth, Wi-Fi, and Zigbee. 7. The method of claim 5, wherein the charging request comprises authentication data, wherein the transmitter is configured to compare the authentication data with data indicating whether an electronic device associated with the first receiver is authorized to be charged by the transmitter. 8. The method of claim 1, wherein: the connector is configured to couple the transmitter with a car lighter socket of the vehicle, andthe electrical current from the power source is received by the connector of the transmitter via the car lighter socket. 9. The method of claim 1, wherein the transmitter is positioned in a location in the vehicle selected from a group consisting of on a sun visor of the vehicle and under a floor mat of the vehicle. 10. The method of claim 1, further comprising, receiving a user-configured charging priority for the first and second receivers, wherein the controller adjusts the respective gains and phases of the second set of the plurality of power waves in response to a processor in the transmitter determining that the second receiver has a higher charging priority than the first receiver. 11. The method of claim 1, wherein the scanning is performed before transmitting any of the plurality of power waves. 12. The method of claim 1, wherein the first set of the plurality of power waves and the second set of the plurality of power waves are simultaneously transmitted by the transmitter. 13. A method for wireless power transmission, the method comprising: scanning, using a wireless communication component of a transmitter, for available receivers within a vehicle that are authorized to receive wirelessly delivered power from the transmitter;detecting, by the transmitter, a first receiver associated with a first electronic device and a second receiver associated with a second electronic device within the vehicle based on the scanning;while continuing to scan for available receivers within the vehicle: receiving, by a connector of the transmitter, where the connector is coupled to a power source of the vehicle, electrical current from the power source that is used by the transmitter to generate a plurality of power waves;receiving, by the wireless communication component of the transmitter, a first wireless charging request sent from the first electronic device within the vehicle, wherein the first wireless charging request: (i) corresponds to a request for wirelessly delivered power from the transmitter, and(ii) is sent by the first electronic device when a charge level of the first electronic device is less than a minimum level of charge;receiving, by the wireless communication component of the transmitter, a second wireless charging request sent from the second electronic device within the vehicle, wherein the second wireless charging request: (i) corresponds to a request for wirelessly delivered power from the transmitter, and(ii) is sent by the second electronic device when a charge level of the second electronic device is less than a minimum level of charge;determining, by a processor of the transmitter, a charging priority associated with each of the first electronic device and the second electronic device based on the first and second wireless charging requests;transmitting, by a plurality of antennas of the transmitter, a first set of the plurality of power waves such that the first set of the plurality of power waves form a first constructive interference pattern in proximity to a location of the first receiver associated with the first electronic device in response to the processor determining that the first electronic device is associated with a higher charging priority than the second electronic device; andtransmitting, by the plurality of antennas of the transmitter, a second set of the plurality of power waves such that the second set of the plurality of power waves is phase-shifted and gain-adjusted to form a second constructive interference pattern, distinct from the first constructive interference pattern, in proximity to a location of the second receiver associated with the second electronic device in response to the processor determining that the second electronic device is associated with a higher charging priority than the first electronic device. 14. The method of claim 13, wherein the connector is configured to couple the transmitter with a car lighter socket of the vehicle, and the electrical current from the power source is received by the connector of the transmitter via the car lighter socket. 15. The method of claim 13, wherein the scanning is performed before transmitting any of the plurality of power waves. 16. A transmitter for wireless power transmission, comprising: a wireless communication component configured to scan for available receivers within a vehicle that are authorized to receive wirelessly delivered power from the transmitter, wherein the transmitter detects a first receiver and a second receiver of the available receivers within the vehicle based on the scanning;a connector that is coupled to a power source of the vehicle and configured to, while the wireless communication component continues to scan for available receivers within the vehicle, receive electrical current from the power source that is used by the transmitter to generate a plurality of power waves,a plurality of antennas configured to, while the wireless communication component continues to scan for available receivers within the vehicle, transmit a first set of the plurality of power waves, such that the first set of the plurality of power waves converge to form a first constructive interference pattern in proximity to a location of the first receiver within the vehicle,the wireless communication component is further configured to, while continuing to scan for available receivers within the vehicle, receive a charging request from the second receiver within the vehicle, wherein the charging request: (i) corresponds to a request for wirelessly delivered power from the transmitter, and (ii) is sent by the second receiver when a charge level of the second receiver is less than a minimum level of charge; anda controller configured to, while the wireless communication component continues to scan for available receivers within the vehicle: adjust respective gains and phases of at least a second set of the plurality of power waves, andcause the plurality of antennas to transmit the second set of the plurality of power waves such that the second set of the plurality of power waves converge to form a second constructive interference pattern, distinct from the first constructive interference pattern, in proximity to a location of the second receiver within the vehicle. 17. The transmitter of claim 16, wherein the wireless communication component is further configured to receive a charging request from the first receiver in the vehicle before the plurality of antennas transmit the first set of the plurality of power waves. 18. The transmitter of claim 17, wherein the charging request from the first receiver is transmitted using a wireless communication protocol selected from the group consisting of Bluetooth, Wi-Fi, Zigbee, and a frequency modulation (FM). 19. The transmitter of claim 18, wherein the charging request from the first receiver includes data that indicates a power level of a battery associated with the first receiver. 20. The transmitter of claim 16, wherein the connector is configured to couple the transmitter with a car lighter socket of the vehicle and a circuitry module is configured to couple to the connector, wherein the plurality of antennas is configured to couple to the connector via a cable, andwherein the connector is configured to power the plurality of antennas via the cable. 21. The transmitter of claim 16, wherein the transmitter is configured to transmit the first set of the plurality of power waves by aiming the first set of the plurality power waves toward at least one reflecting surface in the vehicle, wherein the at least one reflecting surface is configured to reflect the first set of the plurality power waves towards the first receiver. 22. The transmitter of claim 16, wherein the controller is configured to adjust the respective gains and phases of the second set of the plurality of power waves in response to a processor in the transmitter determining that the second receiver has a higher charging priority than the first receiver. 23. The transmitter of claim 16, wherein the scanning is performed before transmitting any of the plurality of power waves. 24. The transmitter of claim 16, wherein the first set of the plurality of power waves and the second set of the plurality of power waves are simultaneously transmitted by the transmitter.
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