12 708 165 electric power supplying appa

8/7/2019 12 708 165 Electric Power Supplying Appa

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1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1us 20100219695Al(19) United States(12) Patent Application Publication

Komiyama et al.(10) Pub. No.: US 2010/0219695 Al(43) Pub. Date: Sep. 2, 2010

(54) ELECTRIC POWER SUPPLYING APPARATUSAND ELECTRIC POWER TRANSMITTINGSYSTEM USING THE SAME

(75) Inventors: Shinji Komiyama, Saitama (lP);Kenichi Fujlmakl, Kanagawa (lP);Hiroyuki Mita, Saitama (lP)

Correspondence Address:SONNENSCHEIN NATH & ROSENTHAL LLPP.O. BOX 061080, WACKER DRIVE STATION,WILLIS TOWERCHICAGO, IL 60606-1080 (US)

(73) Assignee: SONY CORPORATION, Tokyo(lP)(21) Appl. No.: 121708,165(22) Filed: Feb. 18,2010

100-------l-------------------l

111

(30) Foreign Application Priority DataFeb. 27, 2009 (lP) 2009-045190

Publication Classification(51) Int. Cl.

H02J 17/00 (2006.01)(52) U.S. Cl. 307/104(57) ABSTRACTDisclosed herein is an electric power supplying apparatus,including: a resonance circuit having an inductance and acapacitance; and an electric power synthesizing circuit con-figured to synthesize electric powers of electric signals com-posed of a plurality of frequency components in a neighbor-hood frequency band as a frequency band near a resonancefrequency decided by the inductance and the capacitance withone another, and output a resulting electric signal obtainedthrough the electric power synthesis to the resonance circuit.

200---------------t------i210

LOADCIRCUIT

230( 220RECTIFY INGCIRCUIT


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Patent Application Publication Sep. 2, 2010 Sheet 1 of 7

FIG . 1

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US 2010/0219695 Al

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US 2010/0219695 Al

FIG .2A140~

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US 2010/0219695 Al

F I G . 3 DGAIN

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Patent Application Publication Sep. 2, 2010 Sheet 4 of 7 US 2010/0219695 Al

FIG.4

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12 708 165 electric power supplying appa

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