Power transmission using wireless communication signals
First Claim
Patent Images
1. A method comprising:
- detecting, at a wireless transmitter, wireless communication traffic is below a threshold traffic level; and
when the wireless communication traffic is below the threshold level, transmitting power packets over multiple communication channels,wherein a number or data rate of the power packets is selected based at least in part on electrical characteristics of harvesting circuitry configured to harvest power from the power packets.
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Abstract
Examples described herein include wireless transmitters configured for power transmission. Example wireless transmitters may insert power packets into wireless communications such that power harvesting circuitry may harvest sufficiently continuous power from the wireless communication signals. Example power harvesting circuitry is configured to harvest power across multiple wireless communication channels. Example chargers are described which may harvest power from wireless communication signals (e.g. Wi-Fi signals).
21 Citations
14 Claims
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1. A method comprising:
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detecting, at a wireless transmitter, wireless communication traffic is below a threshold traffic level; and when the wireless communication traffic is below the threshold level, transmitting power packets over multiple communication channels, wherein a number or data rate of the power packets is selected based at least in part on electrical characteristics of harvesting circuitry configured to harvest power from the power packets. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A device comprising:
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at least one antenna; a queue configured to store packets for data transmission from the at least one antenna in accordance with a wireless communication technique; and at least one computer readable media encoded with executable instructions that, when executed by at least one processing unit, cause the device to insert power packets in the queue when fewer than a threshold number of packets are stored in the queue for data transmission, wherein the threshold number is based, at least in part, on electrical characteristics of power harvesting circuitry configured to receive transmissions from the device. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification