| http://www.w3.org/ns/prov#value | - The illustrated embodiment includes a location unit 70, including a transmitter 72 configured to scan a narrow-beam signal (e.g., a focused signal) through a space (e.g., an enclosed space such as a room), and a receiver 74 configured to receive a request for power in the form of a reflection of the signal, and a power beaming unit 76 configured to beam power in response to the request.
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