Information distribution and processing system
DCFirst Claim
1. An information distribution system for distributing information to users in separate locations, said system being associated with a plurality of receiving devices each located in one of said separate locations, each of said receiving devices connecting to a display device that displays said information, said system comprising:
- a remote site containing a first set of digital data and connecting to said plurality of receiving devices; and
a transmitter that transmits television frequency signal comprising a video signal and a second set of digital data, said second set of digital data comprising a first set of displayable data displayable on said display device in a first way, a second set of displayable data displayable on said display device in a second way for facilitating said users to select said second set of displayable data, a first set of non-displayable data for indicating a prescence of said second set of displayable data, and a first linkage reference, said first linkage reference being associated with said second set of displayable data and said first set of digital data, said first linkage reference being not displayable on said display device;
wherein at least one of said receiving devices causes said display device to display said first set of displayable data in said first way and said second set of displayable data in said second way, extracts said first linkage reference, and sends said first linkage reference to said remote site.
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Abstract
An information distribution and processing system uses a transmitter to deliver a set of digital data and a bi-directional channel for allowing a user to obtain additional information. The additional information is stored in a database. The set of digital data contains a first set of displayable data, a second set of displayable data, at least one non-displayable symbol, and at least one linking reference associated with the second set of displayable data. If desired, the user can select the second set of displayable data. The associated linking reference is sent to the database via the bi-directional channel. The database uses the selected linking reference to search for information, and returns the requested information to the user.
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Citations
56 Claims
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1. An information distribution system for distributing information to users in separate locations, said system being associated with a plurality of receiving devices each located in one of said separate locations, each of said receiving devices connecting to a display device that displays said information, said system comprising:
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a remote site containing a first set of digital data and connecting to said plurality of receiving devices; and
a transmitter that transmits television frequency signal comprising a video signal and a second set of digital data, said second set of digital data comprising a first set of displayable data displayable on said display device in a first way, a second set of displayable data displayable on said display device in a second way for facilitating said users to select said second set of displayable data, a first set of non-displayable data for indicating a prescence of said second set of displayable data, and a first linkage reference, said first linkage reference being associated with said second set of displayable data and said first set of digital data, said first linkage reference being not displayable on said display device;
wherein at least one of said receiving devices causes said display device to display said first set of displayable data in said first way and said second set of displayable data in said second way, extracts said first linkage reference, and sends said first linkage reference to said remote site. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An information distribution system for distributing information to users in separate locations, said system being associated with a plurality of receiving devices each located in one of said separate locations, each of said receiving devices connecting to a display device that displays said information, said system comprising:
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a remote site containing a first set of digital data and connecting to said plurality of receiving devices;
a first transmitter that transmits a first radio frequency signal having a first frequency range, said first radio frequency signal containing a video signal and a second set of digital data, said second set of digital data comprising a first set of displayable data displayable on said display device in a first way, a second set of displayable data displayable on said display device in a second way for facilitating said users to select said second set of displayable data, a first set of non-displayable data for indicating a presence of said second set of displayable data, and said first linkage reference, a first linkage reference being associated with said second set of displayable data and said first set of digital data, said first linkage reference being not displayable on said display device; and
a second transmitter that transmits a second radio frequency signal having a second frequency range separated from said first frequency range, said second radio frequency signal containing said second set of digital data, said second transmitter being locate remotely from said first transmitter;
wherein at least one of said receiving devices causes said display device to display said first set of displayable data in said first way and said second set of displayable data in said second way, extracts said first linkage reference, and sends said first linkage reference to said remote site. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. An information distribution system for distributing information to users in separate locations, said system being associated with a plurality of receiving devices each located in one of said separate locations, each of said receiving devices connecting to a display device that displays said information, said system comprising:
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a remote site containing a first set of digital data and connecting to said plurality of receiving devices;
an apparatus to receive a second set of digital data from a remote source; and
a transmitter located in same site of said apparatus to transmit television frequency signal comprising a video signal and said second set of digital data, said second set of digital data comprising a first set of displayable data displayable on said display device in a first way, a second set of displayable data displayable on said display device in a second way for facilitating said users to select said second set of displayable data, a first set of non- displayable data for indicating a presence of said second set of displayable data, and a first linkage reference, said first linkage reference being associated with said second set of displayable data and said first set of digital data, said first linkage reference being not displayable on said display device;
wherein at least one of said receiving devices causes said display device to display said first set of displayable data in said first way and said second set of displayable data in said second way, extracts said first linkage reference, and sends said first linkage reference to said remote site. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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43. An information distribution system for distributing information to users in separate locations, said system being associated with a plurality of receiving devices such located in one of said separate locations, each of said receiving devices connecting to a display device that displays said information, said system comprising:
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a remote site containing a first set of digital data and connecting to said plurality of receiving devices; and
a transmitter that transmits television frequency signal comprising a video signal and a digital article, said digital article comprising a plurality of formatting codes, a plurality of displayable terms, a plurality of highlighted terms, a first non-displayable digital data for indicating a presence of said highlighted terms, at least said first linkage reference, and a second non-displayable digital data for indicating a presence of said first linkage reference, said highlighted terms being used to facilitate selection by said users, a first linkage reference being associated with at lest one of said highlighted terms and said first set of digital data, said first linkage reference being not displayable on said display device;
wherein at least one of said receiving devices causes said display device to display said first set of displayable data in said first way and said second set of displayable data in said second way, extracts said first linkage reference, and sends said first linkage reference to said remote site. - View Dependent Claims (44, 45, 46, 47, 48, 49)
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50. An information distribution system for distributing information to users in separate locations, said system being associated with a plurality of receiving devices each located in one of said separate locations, each of said receiving devices connecting to a display device that displays said information, said system comprising:
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a remote site containing a first set of digital data and connecting to said plurality of receiving devices;
a first transmitter that transmits a first radio frequency signal having a first frequency range, said first radio frequency containing a video signal and a digital article, said digital article comprising a plurality of formatting codes, a plurality of regular terms, a plurality of highlighted terms, a first non-displayable digital data for indicating a presence of said highlighted terms, at least a first linkage reference, and a second non-displayable digital data for indicating a presence of said first linkage reference, said highlighted terms being used to facilitate selection by said users, said first linkage reference being associated with at lest one of said highlighted terms and said first set of digital data, said first linkage reference being not displayable on said display device; and
a second transmitter that transmits a second radio frequency signal having a second frequency range separated from said first frequency range, said second radio frequency signal containing said digital article, said second transmitter being located remotely from said first transmitter;
wherein at least one of said receiving devices causes said display device to display said first set of displayable data in said first way and said second set of displayable data in said second way, extracts ssaid first linkage reference, and sends said first linkage reference to said remote site. - View Dependent Claims (51, 52, 53, 54, 55, 56)
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Specification