Abstract: A separation device for a deployable structure is configured to use the pogo-pin to supply power for severing a restraining wire. The separation device may enable the deployable structure to be elastically separated by means of an elastic force exerted thereon by a spring and may enable a deployed state of the structure to be ascertained immediately after deployment.

Abstract: 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.