Simultaneous multichannel television access control system and m

Details Simultaneous multichannel television access control system and m Simultaneous multichannel television access control system and m

1995-05-03

1998-05-19

Barron, Jr., Gilberto

Cryptography

Key management

Having particular key generator

380 12, 380 34, 380 20, H04N 7171

Patent

active

057546509

ABSTRACT:
A multichannel television access control system is disclosed wherein processing of the broadband signal is performed by gated coherent RF injection on a plurality of channels, thereby effecting selective descrambling of an arbitrary subset of channels in a channel group. The system provides for a closed loop injection signal phasor control so as to maintain substantially constant relationship between the television signals and the injected signals. The combined signals are supplied to subscribers enabling the use of their cable ready equipment.

REFERENCES:
patent: 5319709 (1994-06-01), Raiser et al.
"Instruction Manual," MX-MS Scrambler, Magnavox CATV Systems, Inc. 1979.
Ostuni, Joseph. "Reference Manual, Pay TV," Magnavox CATV Systems, Inc. 1978.
"Terminal Products," Magnavox CATV Systems, Inc. 1979.

Affiliated with

Also associated with

Rating

Simultaneous multichannel television access control system and m does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Simultaneous multichannel television access control system and m, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Simultaneous multichannel television access control system and m will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1861361