METHOD, APPARATUS AND SYSTEM FOR DELIVERING MUTUALLY AVAILABLE INFORMATION TO CONNECT PRIMARY SCREEN AND SECOND SCREEN

摘要

PURPOSE: A method and an apparatus are provided to receive information about multi-screen services from a terminal outputting a main screen and to provide the list of multi-screen services based on the information. CONSTITUTION: A method in which a terminal provides a second screen includes: a step of including information about multi-screen services from a main screen terminal and requesting one or more service information which can provide the second screen among services which the main screen terminal provides(210); a step of receiving the service information from the main screen terminal(212); a step of generating a second screen service list based on the service information; a step of selecting one item among the one or more items(272); a step of requesting necessary data to a server for providing a selection service(280); a step of receiving data necessary for providing the selection service from the server(282); and a step of providing a second screen of the selection service by using the data. [Reference numerals] (110) Server; (120) First terminal; (130) Second terminal; (210) Data request for providing a service; (212) Data for providing the service; (214) Main screen provision; (220) Terminal search in a network; (222) First terminal selection; (230) Service information request; (240) Authentication inquiry; (242) Response generation; (244) Response for the inquiry; (246) Second terminal authentication; (250) Multi-screen service identification; (252) Service information; (260) Additional information request; (262) Additional information; (264) Available information request; (266) Available information reception; (270) Second screen providing service list generation; (272) Item selection; (280) Data request for providing a selection service; (282) Data for the selection service; (AA) Second screen provision;