Title:
ANTENNA DEVICE FOR POWER TRANSMISSION, ELECTRONIC DEVICE AND POWER TRANSMISSION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/086083
Kind Code:
A1
Abstract:
This antenna device (101) for power transmission comprises: a first coil (11) to which a power receiving circuit (10) is connected; a first coupling part (31) having a coil conductor that is coupled with the first coil (11); a second coupling part (32) which is coupled with a second coil (21) of a counterpart device and has a coil conductor that is larger than the coil conductor of the first coupling part (31); and a connection part (4) which connects the first coupling part (31) and the second coupling part (32) with each other. The formation area of the first coil (11) and the formation area of the first coupling part (31) overlap each other in the coil openings of the first coil (11) and the first coupling part (31) when viewed in plan.
Inventors:
YAMAGUCHI SATOSHI (JP)
ICHIKAWA KEIICHI (JP)
ICHIKAWA KEIICHI (JP)
Application Number:
PCT/JP2016/081035
Publication Date:
May 26, 2017
Filing Date:
October 20, 2016
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H02J50/10; H01Q7/00; H02J50/12
Domestic Patent References:
| WO2011108403A1 | 2011-09-09 |
Foreign References:
| JP2011234496A | 2011-11-17 | |||
| JP2013162611A | 2013-08-19 |
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (JP)
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