Patent ID: 8189108

Claim:
An apparatus for providing multiple screens, the apparatus comprising: a digital signal processing module which receives at least one of a video component, an audio component and a data component regarding data broadcasting services, and restores a plurality of services based on the at least one of the video component, the audio component and the data component; an operation module which generates the multiple screens including a display screen and a plurality of logical screens, for displaying the restored service, associates the restored services with the plurality of logical screens and associates the plurality of logical screens with the display screen; and a setting module which senses a change of set of attribute information of each screen based on association of the restored services and the multiple screens, and provides an event announcing which attribute information of each screen has been changed, wherein each of the plurality of logical screens and the display screen comprises at least one of a background layer, a video layer and a graphic layer, and wherein the digital signal processing module comprises a digital signal processor.