Multimedia on-demand system, information transmission method, and storage medium
First Claim
1. A communication system comprising:
- a plurality of first terminals connected to a first transmission path for transmitting first information;
a plurality of second terminals connected to a second transmission path for transmitting second information different from the first information; and
a server connected to said first and second transmission paths, wherein the second information is transmitted from said server to one of said plurality of second terminals, and the first information is transmitted from one of said plurality of first terminals to said server to control transmission of the second information from said server.
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Accused Products
Abstract
This invention has as its object to achieve a simple arrangement and cost reduction of each terminal, and allow processing of high-resolution video information. A system includes a narrow-band communication path (20) for transmitting control information, a broad-band communication path (30) for transmitting video information, a plurality of control terminals (40-1-40-n) connected to the narrow-band communication path (20), a plurality of display terminals (50-1-50-n) connected to the broad-band communication path (30), and a server (1) connected to the narrow-band communication path (20) and broad-band communication path (30). Video information is transmitted from the server (1) to one of the display terminals, and control information is transmitted from one of the control terminals to the server (1) to control transmission of video information from the server (1).
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Citations
37 Claims
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1. A communication system comprising:
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a plurality of first terminals connected to a first transmission path for transmitting first information;
a plurality of second terminals connected to a second transmission path for transmitting second information different from the first information; and
a server connected to said first and second transmission paths, wherein the second information is transmitted from said server to one of said plurality of second terminals, and the first information is transmitted from one of said plurality of first terminals to said server to control transmission of the second information from said server. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An information transmission method applied to a communication system which comprises a plurality of first terminals connected to a first transmission path for transmitting first information, a plurality of second terminals connected to a second transmission path for transmitting second information different from the first information, and a server connected to said first and second transmission paths, comprising:
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the first transmission step of transmitting the first information from one of said plurality of first terminals to said server; and
the second transmission step of transmitting the second information from said server to one of said plurality of second terminals on the basis of the first information transmitted in the first transmission step. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A computer readable storage medium, which stores as a program an information transmission method applied to a communication system which comprises a plurality of first terminals connected to a first transmission path for transmitting first information, a plurality of second terminals connected to a second transmission path for transmitting second information different from the first information, and a server connected to said first and second transmission paths,
said information transmission method comprising: -
the first transmission step of transmitting the first information from one of said plurality of first terminals to said server; and
the second transmission step of transmitting the second information from said server to one of said plurality of second terminals on the basis of the first information transmitted in the first transmission step.
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20. A video server which is connected to a plurality of first terminals via a first transmission path, and to a plurality of second terminals via a second transmission path, comprising:
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display request reception means for receiving a video information display request which is transmitted from one of said plurality of first terminals, and consists of video designation information for designating video information to be displayed, and display device designation information for designating the second terminal which is to display the video information;
confirmation information transmission means for transmitting first confirmation information, which is generated based on the video information display request, to the second terminal designated by the display device designation information of the video information display request;
request confirmation information reception means for receiving request confirmation information which is transmitted from one of said plurality of first terminals, and consists of second confirmation information;
first comparison means for comparing identification information of the first terminal which transmitted the request confirmation information, and identification information of the first terminal which transmitted the video information display request;
second comparison means for comparing the second confirmation information contained in the request confirmation information received by said request confirmation information reception means, and the first confirmation information transmitted by said confirmation information transmission means; and
video information transmission means for transmitting video information designated by the video designation information of the video information display request to the second terminal designated by the display device designation information in accordance with comparison results of said first and second comparison means. - View Dependent Claims (21, 22, 23, 24, 25, 27, 29, 30)
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26. A terminal connected to a video server which transmits, upon receiving a video information display request containing video designation information for designating video information to be displayed, and display device designation information for designating a display device which is to display the video information, first confirmation information generated based on the video information display request to the display device designated by the display device designation information of the video information display request before the video information designated by the video designation information of the video information display request is transmitted to the display device designated by the display device designation information, comprising:
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generation means for, when a user, who can recognize the first confirmation information as a result of transmitting the first confirmation information to the display device designated by the display device designation information of the video information request, inputs second confirmation information which is the same as the first confirmation information, generating request confirmation information on the basis of the second confirmation information; and
transmission means for transmitting the request confirmation information generated by said generation means to said video server.
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28. A display device connected to a video server which transmits, upon receiving a video information display request containing video designation information for designating video information to be displayed, and display device designation information for designating a display device which is to display the video information, first confirmation information generated based on the video information display request to the display device designated by the display device designation information of the video information display request, and transmits, when second confirmation information received later is the same as the first confirmation information and a terminal which transmitted the video information display request is the same as a terminal which transmitted the second confirmation information, video information designated by the video designation information of the video information display request to the display device designated by the display device designation information, comprising:
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first display means for displaying the video information; and
second display means for displaying the first confirmation information.
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31. A designation confirmation method applied to a video server which is connected to a plurality of first terminals via a first transmission path, and to a plurality of second terminals via a second transmission path, comprising:
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the display request reception step of receiving a video information display request which is transmitted from one of said plurality of first terminals, and consists of video designation information for designating video information to be displayed, and display device designation information for designating the second terminal which is to display the video information;
the confirmation information transmission step of transmitting first confirmation information, which is generated based on the video information display request, to the second terminal designated by the display device designation information of the video information display request;
the request confirmation information reception step of receiving request confirmation information which is transmitted from one of said plurality of first terminals, and consists of second confirmation information;
the first comparison step of comparing identification information of the first terminal which transmitted the request confirmation information, and identification information of the first terminal which transmitted the video information display request;
the second comparison step of comparing the second confirmation information contained in the request confirmation information received in the request confirmation information reception step, and the first confirmation information transmitted in the confirmation information transmission step; and
the video information transmission step of transmitting video information designated by the video designation information of the video information display request to the second terminal designated by the display device designation information in accordance with comparison results in the first and second comparison steps. - View Dependent Claims (32, 33, 34, 35, 36)
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37. A computer readable storage medium that stores as a program a designation confirmation method applied to a video server which is connected to a plurality of first terminals via a first transmission path, and to a plurality of second terminals via a second transmission path,
said designation confirmation method comprising: -
the display request reception step of receiving a video information display request which is transmitted from one of said plurality of first terminals, and consists of video designation information for designating video information to be displayed, and display device designation information for designating the second terminal which is to display the video information;
the confirmation information transmission step of transmitting first confirmation information, which is generated based on the video information display request, to the second terminal designated by the display device designation information of the video information display request;
the request confirmation information reception step of receiving request confirmation information which is transmitted from one of said plurality of first terminals, and consists of second confirmation information;
the first comparison step of comparing identification information of the first terminal which transmitted the request confirmation information, and identification information of the first terminal which transmitted the video information display request;
the second comparison step of comparing the second confirmation information contained in the request confirmation information received in the request confirmation information reception step, and the first confirmation information transmitted in the confirmation information transmission step; and
the video information transmission step of transmitting video information designated by the video designation information of the video information display request to the second terminal designated by the display device designation information in accordance with comparison results in the first and second comparison steps.
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Specification