Data display control apparatus
First Claim
1. 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; and
content 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.
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Accused Products
Abstract
A data display control apparatus receives a digital broadcast and compares the present time with a time indicated in a Time_Event_Part provided in navigation information used to control the display of the multimedia data composing a broadcast program. When the indicated time has been reached, the data display control apparatus executes instructions to control the display of the multimedia data.
25 Citations
21 Claims
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1. 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; and
content 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. - View Dependent Claims (2, 3, 4, 5, 6)
link instruction receiving means for receiving an instruction input by a user which specifies a new content to be presented; and
link instruction executing means for performing control so that the new content is presented in place of a present content according to the instruction received by the link instruction receiving means.
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4. The data presentation control apparatus of claim 1, wherein
the receiving means also extracts the set of current time information from the data transmitted from the broadcast program transmission apparatus, and the current time information obtaining means obtains the current time information from the receiving means. -
5. The data presentation control apparatus of claim 1, wherein
the data storage means stores a time difference value which indicates a time difference between the expression of the current time in the set of current time information and a standard control time in the set of time control information, and the content presentation control means refers to the time difference value and corrects a content of the current time information using the time difference when comparing the set of current time information with the set of time control information. -
6. The data presentation control apparatus of claim 5, wherein
the receiving means extracts the time difference value and the set of current time information from the data transmitted from the broadcast program transmission apparatus and storing the extracted time difference value in the data storage means, and the current time information obtaining means obtains the set of the current time information from the receiving means.
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7. A data presentation control apparatus for receiving a plurality of sets of multimedia data, and a plurality of sets of presentation control information, the sets of multimedia data composing a plurality of contents that make up a broadcast program, each set of presentation control information 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, (2) control time information that indicates a switch time for a switch to the changed state, and (3) an instruction indicating a predetermined operation for having a presentation switch to the changed state,
the data presentation control apparatus comprising: -
data storage means;
receiving means for receiving multimedia data and presentation control information from a broadcasting apparatus, extracting data as required, and storing the extracted data 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;
content presentation control means for (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 executing an instruction to have the selected content presented in the changed state once the switch time given in the control time information has been reached, wherein the content presentation control means includes;
link instruction receiving means for receiving an instruction input by a user which specifies a content to be presented; and
link instruction executing means for presenting the content in place of a present content according to the instruction received by the link instruction receiving means. - View Dependent Claims (8, 9)
wherein the switch time shown by control time information indicates a date and time and the expression of the current time given in the current time information is the current date and time, and the content presentation control means regards the switch time as having been reached if the current time is equal to or earlier than the date and time indicated by the control time information. -
9. A data presentation control apparatus according to claim 7,
wherein the switch time shown by control time information indicates a date and time period relative to a start of presentation of a corresponding content and the expression of the current time given in the current time information is the time that has elapsed since a start of presentation of a present content, and the content presentation control means regards the switch time as having been reached if the current time is equal to or longer than the time period indicated by the control time information.
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10. A data transmission apparatus for transmitting a plurality of sets of multimedia data, wherein the plurality of sets of multimedia data compose a plurality of contents which make up a broadcast program, the data transmission apparatus comprising:
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transmission data storage means for storing the plurality of sets of multimedia data and a plurality of sets of presentation control information, each set of presentation control information 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; and
transmission means for transmitting the plurality of sets of multimedia data and the sets of presentation control information. - View Dependent Claims (11, 12, 13, 14)
the transmission data storage means further stores a set of link information which shows interrelations between contents in the plurality of contents, and the transmission means also transmits the set of link information. -
13. The data transmission apparatus of claim 10 further comprising:
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time measuring means for measuring a current time, wherein the transmission means further transmits a set of current time information showing the current time.
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14. The data transmission apparatus of claim 10, wherein
the transmission data storage means stores a time difference value which indicates a time difference between the current time and a standard control time in the set of time control information, and the transmission means further transmits the time difference value.
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15. A data transmission apparatus for transmitting a plurality of sets of multimedia data, wherein the plurality of sets of multimedia data compose a plurality of contents which make up a broadcast program, the data transmission apparatus comprising:
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transmission data storage means the plurality of sets of multimedia data and a plurality of sets of presentation control information, each set of presentation control information 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, (2) control time information that indicates a switch time for a switch to the changed state, and (3) an instruction indicating a predetermined operation for having a presentation switch to the changed state; and
transmission means for transmitting the plurality of sets of multimedia data and the sets of presentation control information.
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16. A recording medium on which a data presentation control program is recorded, the data presentation control program controlling a data presentation control apparatus which receives a plurality of sets of multimedia data and a plurality of sets of presentation control information, the sets of multimedia data making up a plurality of contents that compose a broadcast program, each set of presentation control information 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 switch to the changed state,
the data presentation control program comprising the steps of: -
obtaining a set of current time information for a current time;
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;
comparing the current time information with the switch time given in the control time information corresponding to the selected content, and having the selected content presented by the data display control apparatus in the changed state once the switch time given in the control time information has been reached.
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17. A recording medium on which a data presentation control program is recorded, the data presentation control program controlling a data presentation control apparatus which receives a plurality of sets of multimedia data and a plurality of sets of presentation control information, the sets of multimedia data making up a plurality of contents that compose a broadcast program, each set of presentation control information 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 (2) control time information that indicates a switch time for a switch to the changed state, and (3) an instruction indicating a predetermined operation for having a presentation switch to the changed state,
the data presentation control program comprising the steps of: -
obtaining a set of current time information for a current time;
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;
comparing the current time information with the switch time given in the control time information corresponding to the selected content, and having the data presentation control apparatus execute the instruction to have the selected content presented in the changed state once the switch time given in the control time information has been reached.
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18. A data presentation control apparatus for receiving a plurality of sets of multimedia data and a plurality of sets of presentation control information, the sets of multimedia data composing a plurality of contents which make up a broadcast program, each set of presentation control information 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, (2) control time information that indicates a switch time for a switch to the changed state and (3) content presentation time information indicating a time used as a presentation start condition for the corresponding content,
the data presentation control apparatus comprising: -
data storage means;
receiving means for receiving multimedia data and presentation control information from a broadcasting apparatus, extracting data as required, and storing the extracted data 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; and
content presentation control means for (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, wherein the content presentation control means includes;
link instruction receiving means for receiving an instruction input by a user which specifies a content to be newly presented; and
link instruction executing means for comparing the content presentation time information corresponding to the content specified by the instruction received by the link instruction receiving means with the current time information and performing control to have the specified content presented the content in place of a present content once the time indicated by the in the content presentation time information has been reached.
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19. A data transmission apparatus for transmitting a plurality of sets of multimedia data, wherein the plurality of sets of multimedia data compose a plurality of contents which make up a broadcast program, the data transmission apparatus comprising:
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transmission data storage means for storing the plurality of sets of multimedia data and a plurality of sets of presentation control information, each set of presentation control information 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, (2) control time information that indicates a switch time for a switch to the changed state and (3) content presentation time information indicating a time used as a presentation start condition for the corresponding content; and
transmission means for transmitting the plurality of sets of multimedia data and the sets of presentation control information. - View Dependent Claims (20, 21)
wherein the switch time indicated by the control time information is a date and time. -
21. A data transmission apparatus according to claim 19,
wherein the switch time indicated by the control time information is a time period expressed relative to a start of presentation of the corresponding content.
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Specification