公开(公告)号：US20170092420A1

公开(公告)日：2017-03-30

申请号：US15374316

申请日：2016-12-09

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kenichi ASANUMA ,  Atsushi YAMAMOTO ,  Tsutomu SAKATA ,  Akio HIDAKA ,  Toshiaki KIKUI

IPC: H01F38/14 ,  H02J50/10

CPC classification number: H02J50/12 ,  H01F38/14 ,  H02J5/005 ,  H02J50/10 ,  H02J50/40 ,  H02J50/70

Abstract: A contactless connector apparatus is provided with a first coil closely opposed to a second coil so as to be electromagnetically coupled thereto. The first coil includes: an inner transmitter coil wound around an axis passing through its center; and an outer transmitter coil wound around the axis and outside the inner coil. One end of the outer transmitter coil is connected to one end of the inner transmitter coil such that, when a current flows through the transmitter coils, a direction of a loop current generated around the axis by a current flowing through the inner transmitter coil is opposite to that of a loop current generated around the axis by a current flowing through the outer transmitter coil. A self-inductance of the outer transmitter coil is larger than that of the inner transmitter coil.