Resonators for wireless power applications

Abstract

Described herein are embodiments of a receiving assembly for a mobile device for receiving power wirelessly from at least one high-Q resonator that includes a receiving high-Q resonator part, tuned to magnetic resonance at a specified frequency, said receiving resonator part including a conductive loop extending around space and material not exceeding the size of the mobile device, and said receiving resonator part including a capacitive structure coupled to said conductive loop; and at least one mobile electronic item, powered by power that is wirelessly received by said receiving high-Q resonator part.

1 . A receiving assembly for a mobile device for receiving power wirelessly from at least one high-Q resonator, comprising:
 a receiving high-Q resonator part, tuned to magnetic resonance at a specified frequency, said receiving resonator part including a conductive loop extending around space and material not exceeding the size of the mobile device, and said receiving resonator part including a capacitive structure coupled to said conductive loop; and   at least one mobile electronic item, powered by power that is wirelessly received by said receiving high-Q resonator part.   
     
     
         2 . A receiving resonator as in  claim 1 , wherein said conductive loop includes only a single loop of conductive material. 
     
     
         3 . A receiving resonator as in  claim 1 , wherein said conductive loop includes multiple loops of conductive material which are spiral to one another. 
     
     
         4 . A receiving resonator as in  claim 1 , wherein said capacitive structure includes a fixed capacitor. 
     
     
         5 . A receiving resonator as in  claim 1 , wherein said capacitive structure also includes a variable capacitor. 
     
     
         6 . A receiving resonator as in  claim 1 , wherein said receiving part is tuned to a resonance frequency of 13.56 MHz. 
     
     
         7 . A receiving resonator as in  claim 1 , further comprising an electrical circuit which-outputs a signal received by said receiving, and couples power therefrom to said electronic item. 
     
     
         8 . A resonator as in  claim 7 , further comprising mobile electronics in the same housing and coupled to be powered by said resonator. 
     
     
         9 . A receiving assembly as in  claim 1 , wherein said capacitor is a variable capacitor. 
     
     
         10 . A wireless power transmitting assembly for transmitting power to at least one high-Q resonator, comprising:
 a connection that receives a signal of a specified frequency;   a first coupling loop, coupled to receive said signal;   a second, transmitting high-Q resonator, having an inductive loop portion and a capacitive portion, where the inductive portion and the capacitive portion together form an LC constant that is substantially resonant with said specified frequency; and   wherein said capacitive portion is connected between distal ends of the loop portion.   
     
     
         11 . An assembly as in  claim 10 , wherein said capacitive portion is in a package that has an outer surface which has first and second flat connection parts. 
     
     
         12 . A high-Q resonator for exchanging power amongst high-Q resonators, comprising:
 a main loop forming a resonator inductance, and a capacitor; and   a coupling loop which is electrically disconnected from said main loop, and is smaller than said main loop.   
     
     
         13 . A high-Q resonator for exchanging power amongst high-Q resonators, comprising:
 a main loop portion formed of a conductive material arranged into a round loop defining an inductance,   a capacitive portion, coupled to said round loop to form an overall LC value;   a tuning portion, which is adjustable to change an inductive tuning of said main loop, by changing its inductance.   
     
     
         14 . A resonator as in  claim 13 , wherein said tuning portion includes a capacitor that can be moved closer to and further from said main loop. 
     
     
         15 . A high-Q resonator as in  claim 13 , wherein said tuning portion includes a non-resonant portion, which can be moved closer to and farther from at least a portion of said main loop. 
     
     
         16 . A resonator as in  claim 13 , wherein said tuning portion includes a part which changes an inductance of only a portion of said main loop, and can be moved closer to and further from said main loop. 
     
     
         17 . A resonator as in  claim 16 , wherein said part is located near a capacitor on said loop. 
     
     
         18 . A resonator as in  claim 13 , wherein said resonator is resonant to a magnetic frequency. 
     
     
         19 . A resonator as in  claim 18 , wherein said resonator includes a power connection. 
     
     
         20 . A receiving resonator as in  claim 1 , further comprising materials with low dielectric losses and low loss tangents. 
     
     
         21 . A receiving resonator as in  claim 1 , further comprising materials which change the intrinsic Q of the resonator by less than a factor of 25. 
     
     
         22 . A receiving resonator as in  claim 1 , further comprising extraneous materials with Q c-e   abs >10 5 . 
     
     
         23 . A receiving resonator in  claim 1 , wherein the material is formed of a high-Q material. 
     
     
         24 . A receiving assembly for a mobile device for receiving power wirelessly from at least one high-Q resonator, comprising:
 a receiving high-Q resonator part, tuned to magnetic resonance at a specified frequency, said receiving resonator part including a conductive loop extending in multiple turns, and a capacitor in series with an inductance formed by said multiple turns, said capacitor being located at an edge of the multiple turns; and at least one connection structure, that connects to said capacitor in series with said multiple turn inductor.   
     
     
         25 . An assembly as in  claim 24 , further comprising at least one mobile electronic item, powered by the power that is wirelessly received by said receiving resonator part and connected to said connection. 
     
     
         26 . An assembly as in  claim 24 , further comprising a second capacitor. 
     
     
         27 . An assembly as in  claim 26 , wherein one of said capacitors is a variable value capacitor. 
     
     
         28 . An assembly as in  claim 25 , further comprising an electrical circuit which outputs a signal received by said receiving, and couples power therefrom to said electronic item. 
     
     
         29 . An assembly as in  claim 22 , further comprising mobile electronics in the same housing and coupled to be powered by said resonator. 
     
     
         30 . An assembly as in  claim 24 , wherein said conductive loop comprises a conducting ribbon. 
     
     
         31 . A wireless power receiving assembly for receiving power from at least one high-Q resonator, comprising:
 a receiving high-Q resonator, having an inductive loop portion and a capacitive portion, where the inductive portion and capacitive portion together form an LC constant that is substantially resonant with a specified frequency; and   wherein said capacitive portion is connected between distal ends of said inductive loop portion.   
     
     
         32 . An assembly as  claim 31 , further comprising a coupling loop, coupled to receive said signal from said receiving high-Q resonator. 
     
     
         33 . An assembly as in  claim 29 , wherein said capacitive portion is in a package that has an outer surface which has first and second flat connection parts. 
     
     
         34 . A high-Q resonator for exchanging power amongst high-Q resonators, comprising:
 a main loop portion formed of a band of conductive material arranged in a round loop defining an inductance; and   a capacitive portion, coupled to said round loop to form an overall LC value.   
     
     
         35 . A high-Q resonator as in  claim 32 , wherein said band is of conductive material. 
     
     
         36 . A high-Q resonator as in  claim 32 , further comprising a tuning portion, which is adjustable to change an inductive tuning of said main loop, by changing its inductance. 
     
     
         37 . A high-Q resonator as in  claim 34 , wherein said tuning portion includes a capacitor that can be moved closer to and further from said main loop. 
     
     
         38 . A high-Q resonator for exchanging power amongst high-Q resonators, comprising:
 a main loop formed of a conductive material arranged into a round loop defining an inductance;   a capacitive portion, coupled to said round loop to form an overall LC value;   a tuning loop, which is adjustable to change an inductive tuning of said main loop, by changing an inductance of said main loop.