Wireless power transmission system and method
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United States of America Patent
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-
Dec 6, 2011
Grant Date -
Oct 14, 2010
app pub date -
Apr 10, 2009
filing date -
Apr 10, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A wireless power transmission system including at least one source of electromagnetic radiation, a plurality of wireless power receivers that receive radiated electromagnetic energy, a beacon collocated with each wireless power receiver, wherein the beacon generates and radiates a pilot signal when the beacon is in an active state, and an array of transmitting antennas connected to the source of electromagnetic radiation that radiates the electromagnetic radiation in the direction of the beacon in the active state. The electromagnetic radiation can be electronically steered from one wireless power receiver to another by activating and deactivating the beacons collocated with each wireless power receiver.
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