Title:
POWER SUPPLY DEVICE FOR PORTABLE DEVICE AND CHARGING DEVICE OF THE SAME
Document Type and Number:
Japanese Patent JP2015159664
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To achieve downsizing of a portable device 6.SOLUTION: A power supply device 10 for a portable device includes: a secondary battery 3; a circuit board 63; and a power reception module 61. A charging/discharging circuit including a charging circuit for charging a secondary battery 3 by input of external power is mounted on the circuit board 63. The power reception module 61 includes a power reception resonance coil 611, which receives electric power supplied from the exterior by a resonance phenomenon, and a power extraction coil 612 which outputs the electric power to the charging circuit as the external power. At least a part or a whole part of at least one of the circuit board 63 and the secondary battery 3 is disposed at the inner peripheral side of the power reception resonance coil 611 and the power extraction coil 612 in the power reception module 61.
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Inventors:
HATANAKA TAKEZO
TSUDA NAO
TSUDA NAO
Application Number:
JP2014033094A
Publication Date:
September 03, 2015
Filing Date:
February 24, 2014
Export Citation:
Assignee:
NITTO DENKO CORP
International Classes:
H02J7/00; H02J17/00; H04R25/00
Domestic Patent References:
| JP2011060677A | 2011-03-24 | |||
| JP2011030294A | 2011-02-10 | |||
| JP2005520424A | 2005-07-07 | |||
| JP2012060797A | 2012-03-22 |
Attorney, Agent or Firm:
Kaji/Suhara Patent Office