H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/167 (2006.01) H04N 7/16 (2006.01)
Patent
CA 2063517
A device is disclosed for controlling access to cable television signals. Jamming oscillators are shifted in frequency, jamming multiple services each. The oscillators are shared between multiple subscriber ports, providing a cost effective, high security control system. A modular approach allows security to be added as additional capacity is required.
Chamberlin Robert
Cox Jeffrey
Gurusami Aravanan
Jacek Victor
Strong Thomas
Fetherstonhaugh & Co.
Koninklijke Philips Electronics N.v.
N.v. Philips Gloeilampenfabrieken
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