Information distribution and processing system
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United States of America Patent
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Jan 29, 2002
Issued Date -
N/A
app pub date -
Oct 12, 2000
filing date -
Apr 7, 1994
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An information distribution and processing system has a broadcast channel for delivering a first 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. In one embodiment of the present invention, the broadcast channel uses a satellite to broadcast the data. In another embodiment of the invention, the bi-directional channel is a telephone system. At predetermined locations of the first set of digital data, linking references are embedded. If desired, the user can select a linking reference and send a request 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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