| 摘要 |
PURPOSE: A portable charging device is provided to quickly and conveniently charge a portable terminal without respect to time and a space. CONSTITUTION: A portable charging device comprises a charging module(200). The charging module charges a portable terminal by a non contact wireless method. The charging module is placed on the outside of a portable terminal. A power receiving unit is installed in the portable terminal. The power receiving unit receives a magnetic field from the charging module. A power receiving coil is embedded in a charging battery and receives a current from the charging module by electromagnetic induction.
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