A wireless charging apparatus includes a charging unit configured to transmit power
wirelessly to a mobile device, and a power supply unit configured to supply power to the …

A method used for an induction type power supply system, for detecting whether an intruding
metal exists in a power transmission range of the induction type power supply system …

A portable device is provided. The portable device includes a power receiving unit
configured to receive a first energy or a second energy from a wireless power transmitter, the …

A data determination method for a supplying-end module of an induction type power supply
system includes generating a current signal on a resonant coil of the supplying-end module …

A method of automatically adjusting a determination voltage used in an induction type power
supply system includes detecting an output voltage of a signal analysis circuit; adding a first …

A signal analysis method for determining whether a supplying-end module of an induction
type power supply system receives a modulation signal from a receiving-end module of the …

A portable device is provided. The portable device includes a power receiving unit
configured to receive a first energy or a second energy from a wireless power transmitter, the …

A signal analysis circuit for a supplying-end module includes a first voltage divider circuit, for
attenuating a coil signal of a supplying-end coil; a first amplifier circuit, for obtaining parts of …

A remote device in accordance with the present invention includes an adaptive power
receiver that receives wireless power from the wireless power supply by induction. The …

(57) ABSTRACT A power supply device used in an induction type power supply system is
provided that includes a power supply coil, a auxiliary coil, a power supply driving module, a …