Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent
1991-05-06
1992-08-25
Swann, Tod
Cryptography
Particular algorithmic function encoding
Nbs/des algorithm
380 10, 358 86, 358147, H04N 7167
Patent
active
051425769
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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Market Data Corporation
Swann Tod
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