Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
WIRELESS POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/051934
Kind Code:
A1
Abstract:
In order to reduce a power transmission antenna and power receiving antenna of a wireless power supply device for supplying power underwater to a size suitable for an underwater mobile body and sensor, this underwater wireless power supply device 101 wirelessly transmits energy by resonating at a frequency determined by the impedance of a power transmission antenna 103 that transmits energy wirelessly in a good conductor medium 102, the impedance of a power receiving antenna 104 which receives energy transmitted from the power transmission antenna 103, and the impedance of the good conductor medium 102. The power transmission antenna 103 and the power receiving antenna 104 have the multiple antenna coils 105, 106, and at least one dielectric 107, 108 arranged between the multiple antenna coils 105, 106, and the multiple antenna coils 105, 106 each has multiple laminated coils 109.

Inventors:
YOSHIDA SHUHEI (JP)
TANOMURA MASAHIRO (JP)
TAHARA HIROMITSU (JP)
Application Number:
JP2017/032616
Publication Date:
March 22, 2018
Filing Date:
September 11, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NEC CORP (JP)
International Classes:
H02J50/12; H01F5/00; H01F38/14; H01F41/04; H02J50/40
Domestic Patent References:
WO2014073207A12014-05-15
WO2015129247A12015-09-03
WO2014129531A12014-08-28
Foreign References:
JP2014023324A2014-02-03
JP2012190882A2012-10-04
JP2014193057A2014-10-06
Attorney, Agent or Firm:
SHIMOSAKA Naoki (JP)
Download PDF: