Title:
POWER RECEIVING DEVICE OF WIRELESS POWER SUPPLY SYSTEM AND ELECTRONIC EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2020/246067
Kind Code:
A1
Abstract:
This power receiving device (10) comprises: an exterior having a shape that can accommodate a secondary battery (60); a power receiving coil member (30) disposed inside the exterior; and a circuit board (50) disposed inside the exterior and including a power receiving circuit electrically connected to a coil conductor (31) of the power receiving coil member (30) and a charging circuit responsible for charging the secondary battery (60) and discharging the secondary battery (60) to the outside. The exterior includes a first exterior member (21) in close proximity to the power receiving coil member (30) and a second exterior member (22) which forms the exterior in combination with the first exterior member (21). The first exterior member (21) has, for example, a flat surface, is disposed closer to an external power transmission coil (900) than the second exterior member (22), and includes a structure in which the coil conductor (31) of the power receiving coil member (30) and the power transmission coil (900) can face each other.
Inventors:
YAMADA KIYOKAZU (JP)
MIKI OSAMU (JP)
HOSOTANI TATSUYA (JP)
MIKI OSAMU (JP)
HOSOTANI TATSUYA (JP)
Application Number:
PCT/JP2020/004221
Publication Date:
December 10, 2020
Filing Date:
February 05, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H02H7/18; H02J7/00; H02J7/10; H02J50/12
Foreign References:
| JP2004312888A | 2004-11-04 | |||
| JP2013038967A | 2013-02-21 | |||
| JPS6357278B2 | 1988-11-10 | |||
| JP2013070581A | 2013-04-18 | |||
| JPH11234913A | 1999-08-27 |
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (JP)
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