SYSTEM, TERMINAL, SERVER AND METHOD FOR PROVIDING RICH APPLICATION BASED MULTI-SCREEN IPTV SERVICE

1 . A system for providing a rich application-based multi-screen IPTV service, the system comprising:

an IPTV system providing an IPTV service to two or more terminals; and

a multi-screen management server supporting a multi-screen service of the IPTV service provided by the IPTV system by interworking with a multi-screen management module provided in the terminals.

2 . The system of claim 1 , wherein the IPTV system comprises:

a content generation module producing content for the IPTV service;

a service transfer module transmitting content and a service;

a Web server performing a function of processing a Web page and text; and

a media server supporting a media streaming service with respect to the terminals.

3 . The system of claim 1 , wherein the multi-screen management server comprises:

a terminal information management module managing terminal environment information;

a media conversion management module converting a media content format according to terminal environment information of a terminal which moves; and

a content control module managing information regarding a current state and a processed state of content when a media content service is stopped or re-requested.

4 . A terminal which includes a rich Web application and middleware and receives a rich application-based multi-screen IPTV service,

wherein the middleware includes a multi-screen management module supporting a multi-screen service by performing a controlling content function and service for stopping the IPTV service which has been receiving and a service connection to a different terminal.

5 . The terminal of claim 4 , wherein the middleware comprises:

a media management module having a function for a media streaming service and a management function with respect to a storage device of the terminal;

a user reaction management module supporting interaction with a user through the rich Web application, and providing a program event processing function;

a security management module supporting a security mechanism;

a meta-data management module providing a function of accessing and managing a meta-data system;

a communications management module supporting a communication function; and

a system management module providing a function of initializing the terminal and managing resource.

6 . A multi-screen management server supporting a multi-screen service of an IPTV service by interworking with a multi-screen management module provided in a terminal receiving the IPTV service, the server comprising:

a terminal information management module managing terminal environment information;

a media conversion management module converting a media content format according to terminal environment information of a terminal; and

a content control module managing information regarding a current state and a processed state of content when a media content service is stopped or re-requested.

7 . A method for providing a rich application-based multi-screen IPTV service through a multi-screen management server provided at a server side providing an IPTV service, the method comprising:

receiving a service stop signal from a terminal which has been receiving a rich application-based multi-screen IPTV service;

receiving a request for an ongoing service from a different terminal to which the IPTV service is to be moved;

processing a media conversion according to terminal environment information regarding the different terminal;

transmitting content control information regarding the terminal and the different terminal to an IPTV system; and

transmitting the converted media to the different terminal.