Patent ID: 8208072

Claim:
An apparatus for providing multiple screens, the apparatus comprising: a digital signal processing module which receives video information components of broadcasting services, audio information components of broadcasting services, and data regarding data broadcasting services, and restores a plurality of services based on the video information components, the audio information components, and the data which are received; a service processing module which generates a display screen and a plurality of logical screens for displaying the plurality of services restored by the digital signal processing module; and an output module which maps the logical screens generated by the service processing module to different areas on the display screen, wherein the logical screens comprise attribute information indicating an arrangement order between the mapped logical screens in the display screen in a direction of a z-axis, 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 at least one of the digital signal processing module, the service processing module and the output module comprises a hardware processor.