System for securely providing restricted video information
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United States of America Patent
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Aug 25, 1992
Issued Date -
N/A
app pub date -
May 6, 1991
filing date -
Feb 7, 1989
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A system for securely providing restricted information having an encoder for transmitting selected update data with respective keys and a plurality of uniquely identified decoders for receiving said update data. When saidd decoder matches the key sent with said update, said decoder receives the update data and appropriately positions said update data in respective pages in a store for subsequent viewing on a video display.
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