Cryptography – Key management – Having particular key generator
Patent
1994-09-22
1995-08-15
Swann, Tod R.
Cryptography
Key management
Having particular key generator
380 20, 348 10, H04N 7167
Patent
active
054427002
ABSTRACT:
A system for scrambling a television signal by designating a horizontal line number on a pseudorandom basis and then stripping the vertical and horizontal synch components from the signal at each location of a frame except at the designated line.
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Fisher Delmer D.
Snell Stephen C.
ICTV Inc.
Swann Tod R.
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