| 摘要 |
<p>According to the present invention, an adaptor for a laptop includes: a power supply unit which receives supply of commercial electricity; a first voltage converter unit which converts the AC power supplied to the power supply unit to DC power of a predefined first voltage; a second power converter unit which converts the DC power converted by the first voltage converter unit to DC power of a second voltage; a USB port unit which includes a plurality of USB ports to receive the power converted by the second voltage converter unit; a control unit which controls the components of the adaptor; and a connector unit which is to be connected to the laptop. According to the present invention, by including a USB hub unit in the adaptor for a laptop, it is possible to supply power to a laptop using a single device and supply power and deliver data to various peripheral devices. Also, as it is possible to deliver data stored in the laptop to various peripheral devices while power is being supplied to the laptop, and it is possible to have a compact structure and minimize the number of cables.</p> |
