Invention Grant
US08664803B2 Wireless power feeder, wireless power receiver, and wireless power transmission system
有权
无线供电器,无线电源接收器和无线电力传输系统
- Patent Title: Wireless power feeder, wireless power receiver, and wireless power transmission system
- Patent Title (中): 无线供电器,无线电源接收器和无线电力传输系统
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Application No.: US13273547Application Date: 2011-10-14
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Publication No.: US08664803B2Publication Date: 2014-03-04
- Inventor: Takashi Urano
- Applicant: Takashi Urano
- Applicant Address: JP Tokyo
- Assignee: TDK Corporation
- Current Assignee: TDK Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- Main IPC: H01F27/42
- IPC: H01F27/42

Abstract:
A wireless power receiver according to an embodiment of the present invention is a wireless power receiver which acquire power by a non-contact method from a wireless power feeder, the wireless power receiver having: a power receive resonance circuit that includes a power receive coil and power receive capacitor and acquires power from a power feed coil of the wireless power feeder by means of the power receive coil on the basis of a magnetic field resonance effect between the power feed coil and the power receive coil; a power receive load coil that receives the power fed from the power receive coil by a non-contact method; and an impedance converter that is arranged between the power receive load coil and a load and in which a primary impedance connected to the power receive load coil is higher than a secondary impedance connected to the load.
Public/Granted literature
- US20120161534A1 WIRELESS POWER FEEDER, WIRELESS POWER RECEIVER, AND WIRELESS POWER TRANSMISSION SYSTEM Public/Granted day:2012-06-28
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