• US 20110248573A1
  • Filed: 04/06/2011
  • Published: 10/13/2011
  • Est. Priority Date: 04/07/2010
  • Status: Active Grant
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First Claim
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1. A wireless power transmission system for transmitting power by a non-contact method over a resonant magnetic field with a resonant frequency f0, the system comprising a power-transmitting resonator and a power-receiving resonator,wherein one of the power-transmitting and power-receiving resonators includes a first inductor of a first size and the other resonator includes a second inductor of a second size that is smaller than the first size, andwherein at the resonant frequency f0, at least a part of wiring that forms the second inductor has a resistance value Rs per unit length that is lower than the resistance value RL per unit length of wiring that forms the first inductor.

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