ANTENNA SHARING FOR WIRELESSLY POWERED DEVICES

  • US 20100222010A1
  • Filed: 01/28/2010
  • Published: 09/02/2010
  • Est. Priority Date: 02/13/2009
  • Status: Active Grant
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First Claim
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1. An apparatus, comprising:

  • an antenna for receiving electromagnetic radiation in a broadcast radiation band and a near-field radiation band to generate a Radio Frequency (RF) signal;

    a coupling element including a common port operably coupled to the RF signal, a first port, and at least one additional port for coupling to a broadcast receiver configured according to the broadcast radiation band; and

    a wireless power receiver operably coupled to the first port and comprising a rectifier for converting the near-field radiation band of the RF signal to a DC signal, wherein the antenna couples to the electromagnetic radiation in the near-field radiation band in a coupling-mode region of the antenna when the coupling element couples the first port to the common port.

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