Patent ID: 8095887
Filing Date: 2012-01-10
Classification: G09G,H04N

Abstract:
1. An apparatus comprising: a receiving unit which receives services, wherein the services comprise at least one of a video service, an audio service and a data service via data broadcasting; a first module which associates logical screens with the at least one received service, wherein a plurality of screens comprises a plurality of the logical screens and at least one display screen; a second module which associates the logical screens with the at least one display screen; a third module which associates the display screen associated with the logical screens with at least one output port; and a processor which, in cooperation with the first module, the second module and the third module, swaps a first received service related to a first logical screen with a second received service related to a second logical screen, wherein the logical screens are mapped to arbitrary locations on the at least one display screen, and wherein the logical screens and the display screen are categorized screen objects based on type information among attribute information of each screen object of the logical screens and the display screen, wherein each of the logical screens is visibly displayed and appears on the display screen, or invisibly displayed and disappears from the display screen based on visibility information among the attribute information of the screen objects of each of the logical screens, and wherein the logical screens are arranged and overlapped in an order along a z-axis on the display screen based on z-order information among the attribute information of screen object of the each logical screen.