| 摘要 |
A USB multi-adapter for connecting to a USB plug of an electronic device, and a USB receptacle of a laptop computer, a desktop computer, or an electric socket, includes a device identifying module including at least one USB plug and/or at least one USB receptacle, the device identifying module being capable of identifying kind of a connected electronic device based on a voltage signal in a differential pair and communicating therewith; and a mode determining module electrically connected to the device identifying module for determining whether the connected electronic device is in a power supply mode or a communication mode so that at least one electronic device can be charged by the USB multi-adapter or a communication between the at least one electronic device can be carried out by the USB multi-adapter. |
