Cable services security system

Details Cable services security system Cable services security system

1997-06-12

2000-05-23

Miller, John W.

Telecommunications

Audience survey or program distribution use accounting

348 55, 348 12, 348 13, 348 1, 455 51, H04B 1700, H04H 100, H04N 710, H04N 714

Patent

active

060674407

ABSTRACT:
A cable television services security system includes a two-way communication system for transmitting a broadcast signal from a headend to subscribers and subscriber viewing information from a channel identifier located within a subscriber's home back to the headend. An addressable switch located outside of the subscriber's home compares the channel being viewed by the subscriber with a subscriber privilege code. If the subscriber is not authorized to view the channel, the broadcast signal being transmitted to the subscriber is interrupted.

REFERENCES:
patent: 5251324 (1993-10-01), McMullan, Jr.
patent: 5872588 (1999-02-01), Aras et al.

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