Title:
送電装置
Document Type and Number:
Japanese Patent JP6639204
Kind Code:
B2
Abstract:
A power transmission apparatus includes a power transmission unit that wirelessly transmits power to an electronic device, a foreign substance detection unit that detects a foreign substance affecting power transmission performed by the power transmission unit, a loop shaped power transmission antenna serving as an antenna for the power transmission unit transmitting power to the electronic device, and a foreign substance detection antenna for the foreign substance detection unit detecting the foreign substance, wherein the foreign substance detection antenna is arranged at a predetermined distance or more from the power transmission antenna in a vertical direction to a loop direction of the power transmission antenna.
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Inventors:
Yoshihiko Okamoto
Application Number:
JP2015232310A
Publication Date:
February 05, 2020
Filing Date:
November 27, 2015
Export Citation:
Assignee:
Canon Inc
International Classes:
H02J50/60; G01V3/00; H01F38/14; H01Q7/00; H02J50/10; H02J50/70
Domestic Patent References:
| JP2012016125A | ||||
| JP2012249401A | ||||
| JP2013027074A | ||||
| JP2008295274A |
Foreign References:
| US20140084857 |
Attorney, Agent or Firm:
Takayoshi Kokubun