WIRELESS ELECTRIC POWER TRANSMISSION DEVICE AND MANUFACTURING METHOD THEREFOR

Title:

WIRELESS ELECTRIC POWER TRANSMISSION DEVICE AND MANUFACTURING METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2015/108030

Kind Code:

A1

Abstract:

The present invention enables an input impedance value of a wireless electric power transmission device to be changed in accordance with a load fluctuation tendency of an electric device to which electric power is supplied. The transmission characteristic (S21) for transmission between a power-feeding resonator (22) and a power-receiving resonator (32) of this wireless electric power transmission device (1) has two peak bands. In addition, the power supply frequency of electric power to be supplied to a power-feeding module (2) of the wireless electric power transmission device (1) is set to a power supply frequency band that corresponds to either one of the two peak bands of the transmission characteristic (S21), and the input impedance value of the wireless electric power transmission device including the power-supplied electric device at least for the power supply frequencies of the electric power is set so as to have two peak bands with respect to the maximum value of a load fluctuation range of the power-supplied electric device.

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Inventors:

TSUDA HISASHI (JP)
HATANAKA TAKEZO (JP)

Application Number:

PCT/JP2015/050655

Publication Date:

July 23, 2015

Filing Date:

January 13, 2015

Export Citation:

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Assignee:

NITTO DENKO CORP (JP)

International Classes:

H02J17/00

Foreign References:

JP2013017254A	2013-01-24
JP2011147213A	2011-07-28
JP2013188016A	2013-09-19
JP2010239838A	2010-10-21
JP2013240260A	2013-11-28
JP4624768B2	2011-02-02
JP2013239692A	2013-11-28

Other References: