WIRELESS POWERING AND CHARGING STATION
A base including a magnetically resonant antenna therein for relaying energy to a portable device.
1 . An apparatus for wireles sly charging an electronic device, the apparatus comprising:
a holder having at least one surface that is shaped to contact at least one outer surface of the electronic device, the portable electronic device including a wireless power receive element coupled to a load; and
an antenna located within the holder, the antenna having an inductive-capacitive value that is tuned to a frequency and configured to receive power from a transmitter via a wireless field, and further configured to focus wireles sly received power to a power level sufficient to charge or power the load.
2 . The apparatus of claim 1 , wherein the wireless field comprises a magnetically coupled resonance field.
3 . The apparatus of claim 2 , wherein focusing the wirelessly received power improves an efficiency of the magnetically couple resonance field.
4 . The apparatus of claim 2 , wherein focusing the wireless received power increases a field density of the magnetically coupled resonance field.
5 . The apparatus of claim 1 , wherein the antenna further comprises an inductive loop coil and a capacitor, the inductive loop in series with the capacitor.
6 . The apparatus of claim 5 , wherein a Q value of the coil and the capacitor is substantially between 500 and 1000.
7 . The apparatus of claim 5 , wherein the coil and the capacitor are tuned to be substantially resonant with the wireless field.
8 . The apparatus of claim 1 , wherein the antenna is integrated into a base of the holder.
9 . The apparatus of claim 8 , wherein the perimeter of the holder is substantially circular.
10 . The apparatus of claim 8 , wherein inner surfaces of the holder are sized to mount a phone in the holder's base.
11 . A method of wirelessly charging an electronic device, the method comprising:
receiving power from a transmitter via a wireless field by an antenna located within a holder, the holder having at least one surface that is shaped to contact at least one outer surface of the electronic device, the portable electronic device including a wireless power receive element coupled to a load; and
focusing wirelessly received power to a power level sufficient to charge or power the load.
12 . The method of claim 11 , wherein receiving the power comprises receiving power from the transmitter via a magnetically coupled resonance field.
13 . The method of claim 12 , wherein focusing the wirelessly received power comprises focusing the wirelessly received power to improve an efficiency of the magnetically couple resonance field.
14 . The method of claim 12 , wherein focusing the wirelessly received power comprises focusing the wirelessly received power to increase a field density of the magnetically coupled resonance field.
15 . The method of claim 11 , wherein receiving the power comprises receiving the power by the antenna further comprising an inductive loop coil and a capacitor, the inductive loop in series with the capacitor, and the coil and the capacitor tuned to be substantially resonant with the wireless field.
16 . An apparatus for wirelessly charging an electronic device, the apparatus comprising:
means for receiving power from a transmitter via a wireless field by an antenna located within a holder, the holder having at least one surface that is shaped to contact at least one outer surface of the electronic device, the portable electronic device including a wireless power receive element coupled to a load; and
means for focusing wirelessly received power to a power level sufficient to charge or power the load.
17 . The apparatus of claim 16 , wherein the wireless field comprises a magnetically coupled resonance field.
18 . The apparatus of claim 16 , wherein the antenna further comprises an inductive loop coil and a capacitor, the inductive loop in series with the capacitor.
19 . The apparatus of claim 18 , wherein the coil and the capacitor are tuned to be substantially resonant with the wireless field.
20 . The apparatus of claim 16 , wherein the antenna is integrated into a base of the holder.