Patent ID: 6223347
Filing Date: 2001-04-24
Classification: H04N

Abstract:
A data presentation control apparatus for receiving a plurality of sets of multimedia data and sets of presentation control information, and for controlling the presentation of the sets of multimedia data, the plurality of sets of multimedia data composing a plurality of contents which make up a broadcast program, and the sets of presentation control information each corresponding to a content and including (1) information for specifying an initial state and a changed state for presentation of sets of multimedia data that compose a corresponding content and (2) control time information that indicates a switch time for a switch to the changed state,the data presentation control apparatus comprising:data storage means;receiving means for extracting at least one set of multimedia data and the control time information from data transmitted from a broadcast program transmission apparatus and storing the received sets of multimedia data and control time information into the data storage means;current time information obtaining means for obtaining a set of current time information including an expression of a current time; andcontent presentation control means (1) for selecting one content and having the selected content initially presented in the initial state in accordance with the presentation control information corresponding to the selected content, the presentation control information having been received by the receiving means, (2) for comparing the current time information with the switch time given in the control time information corresponding to the selected content, and (3) for having the selected content presented in the changed state once the switch time given in the control time information has been reached.