| 摘要 |
A simple USB terminal device includes a display panel, a keyboard and a USB hub circuit. The display panel is directly connected with a secondary display interface circuit of a computer main unit to obtain a secondary display screen outside the main display screen of the main display interface circuit for a computer main unit. The USB hub circuit is connected with the USB interface port to transmit the instructions and data, which are inputted from the keyboard, to the computer main unit, so as to share application programs and operating system and display the corresponding execution screen by the display panel. The USB hub circuit includes a USB audio controller, a mouse port, a communication port, such that at least a sound input device, a sound output device or a mouse will be connected by the USB audio controller and the mouse port. The communication port will receive and send the online data and message from the USB port of the computer main unit through the USB hub circuit. The present invention relates to a terminal device having multimedia operation and displaying function. |
