Television – Diverse device controlled by information embedded in video...
Reexamination Certificate
1999-06-16
2001-08-07
Eisenzopf, Reinhard J. (Department: 2614)
Television
Diverse device controlled by information embedded in video...
C348S461000, C348S473000, C348S901000, C380S201000, C725S114000, C725S116000
Reexamination Certificate
active
06271886
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an information transmitting unit and a method of the same, an information receiving unit and a method of the same, and a medium for effecting the same, which are used in transmitting and receiving a program information classified on the basis of the effectiveness in recording.
2. Background of the Invention
In the conventional digital multi-channel broadcasting system, the program information to give program names, broadcasting time, and genres, etc., are produced on the basis of the program service information specified in the MPEG2 (ITU-TH.222.0, ISO/IEC 13818-1), or the DVB (prETS300 468), which are broadcast. In this program service information, one genre is described with a two-byte parameter for one program. And, the information other than the genres of the program service information are described with text information.
Further, it is possible to describe in the program information various information other than the program names, broadcasting time, and genres, as mentioned above.
However, the whole information of various program information is not necessarily used as the effective information. Although information such as ‘being a live program’ and ‘the first TV broadcasting’ are effective in viewing the program (viewing during reception), they are not effective in recording and reproducing (recording the program received and reproducing it to view). Although a program of a news or a whether forecast, for example, is effective at the time when the program is broadcast, it is not effective in reproducing. Further, the information to indicate the channel and the information to display the CM sponsor, etc., are the same.
On the other hand, since the information to indicate the time (information quantity) required for broadcasting a program relates to the length of a magnetic tape that records the program, the information is necessary principally when recording the program.
However conventionally, since the program information is not classified on the basis of the necessity when recording the corresponding program, the program information is not effectively utilized, which is a problem.
SUMMARY OF THE INVENTION
The present invention has been made in view of the foregoing circumferences, and it intends to effectively utilize a program information by classifying the information on the basis of the necessity when recording the corresponding program information.
The information transmitting unit of claim
1
comprises: a generation means that generates a video information broadcast as a program, a determination means that determines a program information relating to the video information generated by the generation means, a classification means that classifies the program information determined by the determination means into a first program information effective in viewing the video information and a second program information ineffective in viewing the video information, a description means that describes the first program information in first and second service information description tables, and describes the second program information in the second service information description table, and a coding means that codes the video information generated by the generation means and the first and second service information description tables described by the description means.
The method of transmitting an information of claim
6
comprises: a generation step that generates a video information broadcast as a program, a determination step that determines a program information relating to the video information generated by the generation step, a classification step that classifies the program information determined by the determination step into a first program information effective in viewing the video information and a second program information ineffective in viewing the video information, a description step that describes the first program information in first and second service information description tables, and describes the second program information in the second service information description table, and a coding step that codes the video information generated by the generation step and the first and second service information description tables described by the description step.
The medium to provide a program of claim
10
, which makes an information transmitting unit execute the processes including: a generation step that generates a video information broadcast as a program, a determination step that determines a program information relating to the video information generated by the generation step, a classification step that classifies the program information determined by the determination step into a first program information effective in viewing the video information and a second program information ineffective in viewing the video information, a description step that describes the first program information in first and second service information description tables, and describes the second program information in the second service information description table, and a coding step that codes the video information generated by the generation step and the first and second service information description tables described by the description step.
The information receiving unit of claim
11
comprises: a decoding means that decodes a coded video information, an extracting means that extracts the program information form the video information decoded by the decoding means, a receiving means that receives user's commands, and a processing means that processes to classify the program information extracted by the extracting means.
The method of receiving an information of claim
13
comprises: a decoding step that decodes the coded video information, an extracting step that extracts the program information from the video information decoded by the decoding step, a receiving step that receives user's commands, and a processing step that processes to classify the program information extracted by the extracting step.
The medium to provide a program of claim
14
, which makes an information receiving unit execute the processes including: a decoding step that decodes a coded video information, an extracting step that extracts the program information from the video information decoded by the decoding step, a receiving step that receives user's commands, and a processing step that processes to classify the program information extracted by the extracting step.
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Hanai Tomoyuki
Nishina Yasutomo
Eisenzopf Reinhard J.
Frommer William S.
Frommer Lawrence & Haug LLP.
Simon Darren M.
Sony Corporation
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