Information distribution and processing system
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United States of America Patent
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Jan 15, 2002
Issued Date -
N/A
app pub date -
Nov 15, 1999
filing date -
Apr 7, 1994
priority date (Note) -
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status (Latency Note)
Importance
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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