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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
200---------------~------I210
140 240 230( ~ (,~,L O A DCIRCUIT
220
RECTIFYINGCIRCUIT
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Patent Application Publication Sep. 2, 2010 Sheet 2 of 7
GAINGmax
US 2010/0219695 Al
FIG .2A140~
240r'
142~
242r'
FIG.2B
fl fr fhN E I G H B O R H O O D
~ F R E Q U E N C Y B A N D 4
F R E Q U E N C Y
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Patent Application Publication Sep. 2, 2010 Sheet 3 of 7
F I G . 3 AGAIN
US 2010/0219695 Al
F I G . 3 DGAIN
fr F R E Q U E N C Y F R E Q U E N C Y
F I G . 3 EE L E C T R I C N E I G H B O R H O O DP O W E R F R E Q U E N C Y B A N D
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F I G . 3 BE L E C T R I C N E I G H B O R H O O DP O W E R F R E Q U E N C Y B A N D
E O >
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341
F I G .3 C F I G .3 FE L E C T R I C E L E C T R I CP O W E R P O W E R
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355 I356 I
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Patent Application Publication Sep. 2, 2010 Sheet 4 of 7 US 2010/0219695 Al
FIG.4
100 200_____J , ~----------------~--------l210111
180 170F R E Q U E N C YG E N E R A T O R C O M M U N I C A T I N GC O N T R O L L I N G P O R T I O NP O R T I O N
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\L O A D -E-C I R C U I T
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