Title:
A detection apparatus, an electricity-receiving device, a power transmission device, and a non-contact electric supply system
Document Type and Number:
Japanese Patent JP5976385
Kind Code:
B2
Abstract:
A detection device, including: one or a plurality of magnetic coupling elements configured to have one or a plurality of coils; and a detection unit that measures or calculates an effective resistance values of the magnetic coupling elements or an effective resistance value of a circuit including at least the magnetic coupling elements and determines a presence or absence of a foreign substance based on a change in the effective resistance value.
Inventors:
Miyamoto sect
Hiroaki Nakano
Murakami
Hiroaki Nakano
Murakami
Application Number:
JP2012105768A
Publication Date:
August 23, 2016
Filing Date:
May 07, 2012
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H02J50/12; H02J50/60; H02J50/80
Domestic Patent References:
| JP2013223258A | ||||
| JP2007064930A | ||||
| JP2012016125A |
Foreign References:
| WO2012047779A1 |
Other References:
Neil Kuyvenhoven, et al,Development of a Foreign Object Detection and Analysis Method for Wireless Power Systems,Product Compliance Engineering, 2011 IEEE Symposium on,米国,IEEE,2011年10月,pp.1-6
Attorney, Agent or Firm:
Shinto International Patent Office