Title:
WIRELESS POWER TRANSMISSION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2014/068989
Kind Code:
A1
Abstract:
Provided is a frequency control device used in a wireless power transmission device that wirelessly transmits, at a predetermined frequency, input power from a transmission antenna containing a first oscillation circuit to a receiving antenna inductively coupled to the transmission antenna and containing a second oscillation circuit, said control device being provided with a control means that varies the transmission frequency during power transmission, and wherein the control means sets the reduction when reducing the transmission frequency to be smaller than the increase when increasing the transmission frequency.
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Inventors:
KANNO HIROSHI
Application Number:
PCT/JP2013/006481
Publication Date:
May 08, 2014
Filing Date:
November 01, 2013
Export Citation:
Assignee:
PANASONIC CORP (JP)
International Classes:
H02J17/00
Foreign References:
| JP2010233442A | 2010-10-14 | |||
| JP2011177009A | 2011-09-08 | |||
| JP2011041464A | 2011-02-24 | |||
| US20080278264A1 | 2008-11-13 | |||
| JP4314709B2 | 2009-08-19 | |||
| JP4281362B2 | 2009-06-17 |
Other References:
See also references of EP 2916428A4
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)
Mutsumi Sameshima (JP)
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