H - Electricity
04
N
H04N 7/167 (2006.01) H04N 1/00 (2006.01) H04N 7/16 (2006.01)
Patent
CA 2130392
A B S T R A C T A CATV system including a CATV network, a multiplicity of subscriber units, apparatus for transmitting over said CATV network encrypted information individually addressed to a subscriber unit and apparatus associated with each of said multiplicity of subscriber units for decoding the encrypted information addressed thereto.
Bereskin & Parr
News Datacom Ltd.
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