20110202951 | MULTIMEDIA TERMINAL DEVICE AND OPERATING METHOD THEREOF, AND PERSONAL PORTABLE DEVICE FOR PROVIDING WIRED/WIRELESS RETRANSMISSION SERVICE - A personal portable terminal and an operating method of a multimedia terminal device are provided, and more particularly, a multimedia terminal device, an operating method of the multimedia terminal device, and a personal portable terminal are provided. The multimedia terminal device may receive bidirectional content and additional service information corresponding to the bidirectional content, may classify the received additional service information from the received bidirectional content, and may transmit the classified additional service information to a personal portable terminal that is registered in advance and that is connected wired or wirelessly to the multimedia terminal device. | 08-18-2011 |