Wireless power receivers that communicate status data indicating wireless power transmission effectiveness with a transmitter using a built-in communications component of a mobile device, and methods of use thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-007/00
H02J-017/00
H02J-007/02
출원번호
US-0587367
(2014-12-31)
등록번호
US-10230266
(2019-03-12)
발명자
/ 주소
Leabman, Michael A.
Brewer, Gregory Scott
출원인 / 주소
Energous Corporation
대리인 / 주소
Morgan, Lewis & Bockius LLP
인용정보
피인용 횟수 :
0인용 특허 :
194
초록▼
An example mobile device includes a built-in communications component and a receiver. The receiver includes a first radio frequency (RF) antenna element that interfaces with a constructive interference formed by wireless RF power transmission waves emitted from a far-field transmitter. The first RF
An example mobile device includes a built-in communications component and a receiver. The receiver includes a first radio frequency (RF) antenna element that interfaces with a constructive interference formed by wireless RF power transmission waves emitted from a far-field transmitter. The first RF antenna element is configured to transform energy from the constructive interference into an alternating current (AC) voltage. The receiver also includes a rectifier configured to convert the AC voltage into a DC voltage. The receiver further includes a power converter configured to changed the DC voltage into a constant DC voltage to provide electrical energy to the mobile device. The receiver uses the communications component to transmit, to the far-field transmitter, communication signals containing status data indicating a power transmission effectiveness of the power transmission waves. The mobile device also utilizes the communications component to communicate with electronic devices other than the far-field transmitter.
대표청구항▼
1. A mobile device, comprising: a built-in wireless communications component; anda receiver detachably coupled to the mobile device and configured to control the built-in wireless communications component of the mobile device, the receiver comprising: a first radio frequency (RF) antenna element con
1. A mobile device, comprising: a built-in wireless communications component; anda receiver detachably coupled to the mobile device and configured to control the built-in wireless communications component of the mobile device, the receiver comprising: a first radio frequency (RF) antenna element configured to interface with a constructive interference formed by a plurality of wireless RF power transmission waves emitted from a far-field transmitter, wherein the first RF antenna element is configured to transform energy from the constructive interference into an alternating current (AC) voltage;a rectifier coupled to the first RF antenna element, wherein the rectifier is configured to convert the AC voltage into a DC voltage; anda power converter coupled to the rectifier, wherein the power converter is configured to change the DC voltage into a constant DC voltage to provide electrical energy to the mobile device;wherein: the receiver controls via a processor of the mobile device the built-in wireless communications component of the mobile device to transmit to the far-field transmitter one or more communication signals containing status data indicating a power transmission effectiveness of at least some of the plurality of wireless RF power transmission waves, and the receiver does not include a wireless transmitter, andthe built-in wireless communications component is integrated with the mobile device and is further utilized by the mobile device to communicate data packets with a plurality of electronic devices other than the far-field transmitter. 2. The mobile device of claim 1, wherein the status data includes data indicating a location of the first RF antenna element relative to the far-field transmitter. 3. The mobile device of claim 1, wherein the status data includes one or more of: a device identifier associated with the mobile device, a user identifier associated with a user of the mobile device, and a receiver identifier associated with the receiver, and a history of power consumption by the mobile device. 4. The mobile device of claim 1, wherein the mobile device is a wearable device monitoring one or more physiological functions of the individual wearing the wearable device. 5. The mobile device of claim 1, wherein the mobile device is selected from the group consisting of: a smartphone, a tablet, a music player, a laptop computer, a toy, a gaming controller, and a wearable device. 6. The mobile device of claim 1, wherein the first RF antenna element is selected from the group consisting of: a flat antenna, a patch antenna, a normal-mode helix antenna, a planar inverted-F antenna (PIFA), a meandered line antenna, and a microstrip patch antenna. 7. The mobile device of claim 1, wherein: a communication connection between the far-field transmitter and the built-in wireless communications component is established in response to recognition by the transmitter of predetermined identifiers associated with the mobile device. 8. The mobile device of claim 1, wherein: the predetermined identifiers associated with the mobile device include one or more of: a device identifier associated with the mobile device, a user identifier associated with a user of the mobile device, and a receiver identifier associated with the receiver. 9. The mobile device of claim 1, wherein: the far-field transmitter is configured to adjust transmission of the plurality of wireless RF power transmission waves based on the status data indicating the power transmission effectiveness of the at least some of the wireless RF power transmission waves, andthe first RF antenna element is further configured to receive energy from an adjusted plurality of wireless RF power transmission waves that is transmitted by the far-field transmitter after adjusting transmission of the wireless RF power transmission waves. 10. The mobile device of claim 1, wherein the status data indicating the power transmission effectiveness of the at least some of the wireless RF power transmission waves includes data indicating one or more of: (i) a level of power present in the constructive interference; (ii) a voltage of electrical energy received from the at least some of the plurality of wireless RF power transmission waves; (iii) a quality of reception by the first RF antenna element of the at least some of the plurality of RF power transmission waves; (iv) a more effective set of features to use for transmitting the plurality of RF power transmission waves, as compared to a current set of features used by the far-field transmitter to transmit the plurality of RF power transmission waves. 11. The mobile device of claim 1, wherein the receiver is detachably coupled with the mobile device by way of a case that surrounds the mobile device. 12. The mobile device of claim 11, wherein an array of RF antenna elements that includes the first RF antenna element is distributed along the case. 13. A method for communication with a far-field transmitter for charging a mobile device, the method comprising: receiving, by a first radio frequency (RF) antenna element of a receiver detachably coupled to the mobile device, a plurality of wireless RF power transmission waves emitted from the far-field transmitter, wherein the first RF antenna element is configured to:transform energy from the constructive interference into an AC voltage, andcontrol a built-in wireless communications component of the mobile device;transmitting, by the receiver controlling via a processor of the mobile device the built-in wireless communications component of the mobile device, one or more communication signals to the far-field transmitter, the one or more communication signals containing status data indicating a power transmission effectiveness of at least some of the plurality of wireless RF power transmission waves, wherein the built-in wireless communications component is integrated with the mobile device and is further utilized by the mobile device to communicate data packets with a plurality of electronic devices other than the far-field transmitter, and the receiver does not include a wireless transmitter;rectifying, by a rectifier of the receiver coupled to the first RF antenna element, the AC voltage into a DC voltage; andgenerating, by a power converter of the receiver coupled to the rectifier, a constant DC voltage from the DC voltage to provide electrical energy to the mobile device. 14. The method according to claim 13, wherein the status data includes data indicating a history of power consumption of the mobile device. 15. The method according to claim 13, wherein the mobile device is selected from the group consisting of: a smartphone, an audio device, and a wearable device. 16. The method according to claim 13, wherein the mobile device is a wearable device monitoring one or more physiological functions of the individual wearing the wearable device. 17. The method according to claim 13, wherein a communication connection between the far-field transmitter and the built-in wireless communications component is established in response to recognition by the far-field transmitter of predetermined identifiers associated with the mobile device. 18. The method according to claim 17, wherein the predetermined identifiers associated with the mobile device include one or more of: a device identifier associated with the mobile device, a user identifier associated with a user of the mobile device, and a receiver identifier associated with the receiver. 19. The method of claim 13, wherein: the far-field transmitter is configured to adjust transmission of the plurality of wireless RF power transmission waves based on the status data indicating the power transmission effectiveness of the at least some of the wireless RF power transmission waves, andthe first RF antenna element is further configured to receive energy from an adjusted plurality of wireless RF power transmission waves that is transmitted by the far-field transmitter after adjusting transmission of the wireless RF power transmission waves. 20. The method of claim 13, wherein the status data indicating the power transmission effectiveness of the at least some of the wireless RF power transmission waves includes data indicating one or more of: (i) a level of power present in the constructive interference; (ii) a voltage of electrical energy received from the at least some of the plurality of wireless RF power transmission waves; (iii) a quality of reception by the first RF antenna element of the at least some of the plurality of RF power transmission waves; (iv) a more effective set of features to use for transmitting the plurality of RF power transmission waves, as compared to a current set of features used by the far-field transmitter to transmit the plurality of RF power transmission waves. 21. The method of claim 13, wherein the status data includes data indicating a location of the first RF antenna element relative to the far-field transmitter. 22. The method of claim 13, wherein the first RF antenna element is selected from the group consisting of: a flat antenna, a patch antenna, a normal-mode helix antenna, a planar inverted-F antenna (PIFA), a meandered line antenna, and a microstrip patch antenna.
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