Patent ID: 7340687
Filing Date: 2008-03-04
Classification: G06F,G09G,H04N

Abstract:
1. A device for controlling a display on a display device in response to at least one processing unit, comprising: a receiving unit that receives a request from one processing unit to acquire one of predefined display areas, a display area management unit that determines whether to provide an authorization to acquire one of a plurality of predefined display areas in response to an acquisition request from a processing unit to acquire the one of predefined display areas; and a tuner unit that selects and demodulates a transport stream which includes desired data, wherein, when a plurality of requests for acquiring the same one of predefined display areas from a plurality of processing units are received by the receiving unit, the authorization is provided to a single processing unit that made one of the requests to acquire the same one of predefined display areas, and for displaying the desired data, the single processing unit controlling the tuner unit to select and demodulate the transport stream.