Title:
Torque sensor
Document Type and Number:
Japanese Patent JP6246838
Kind Code:
B2
Abstract:
A non-contact power-feeding device comprises: a power transmitting unit that includes a first antenna coil, an oscillator and a driver that enables generation of an AC magnetic field via the first antenna coil based upon a signal provided by the oscillator; and a power receiving unit that includes a second antenna coil that is magnetically coupled with the first antenna coil, wherein the first antenna coil comprises: a flat-plane spiral resonance coil wound with a plurality of turns; and a flat-plane spiral power-feeding coil that is wound with a plurality of turns outward relative to the resonance coil so as to surround the resonance coil, and is magnetically coupled with the resonance coil.
Inventors:
Katsuhide Ichikawa
Atsuro Soma
Kentaro Miyajima
Yoshiaki Ashida
Makoto Ishii
Motohiro Sasaki
Keisuke Iwaishi
Yuya lacquer field
Atsuro Soma
Kentaro Miyajima
Yoshiaki Ashida
Makoto Ishii
Motohiro Sasaki
Keisuke Iwaishi
Yuya lacquer field
Application Number:
JP2015557893A
Publication Date:
December 13, 2017
Filing Date:
January 16, 2015
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
H02J50/12; G01L3/10; G08C17/00; H01F38/14; H02J50/80
Domestic Patent References:
| JP2011229265A | ||||
| JP2010104159A | ||||
| JP2009303294A | ||||
| JP2012249364A | ||||
| JP8301175A |
Foreign References:
| WO2013001636A1 | ||||
| WO2008129787A1 |
Attorney, Agent or Firm:
Patent Business Corporation Sunnext International Patent Office
Previous Patent: Labeling of a pattern
Next Patent: RUNNING CONDITION MONITORING DEVICE FOR PAPER SHEET
Next Patent: RUNNING CONDITION MONITORING DEVICE FOR PAPER SHEET