H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 21/236 (2011.01)
Patent
CA 2460634
Several cable headend configurations that utilize digital technology are disclosed. The present invention provides greater capability and flexibility than existing cable headends. Specifically, a modular design for a cable headend and a combiner component for cable headends are disclosed. The invention is particularly useful in cable television program delivery systems transponding large numbers of digitally compressed program signals. The combiner disclosed allows cherry-picking of programs from transponded signals.
La présente concerne plusieurs configurations de tête de réseau de technologie numérique. Elle permet d'obtenir une plus grande souplesse et des capacités supérieures à celles des têtes de réseau existantes. Plus particulièrement, un modèle modulaire de tête de réseau et un élément multiplexeur pour têtes de réseau sont décrits. L'invention convient particulièrement aux systèmes de câblodistribution qui émettent, par transpondeur, de nombreux signaux d'émissions à compression numérique. L'élément multiplexeur décrit permet de capter des émissions à partir de signaux émis par transpondeur.
Bonner Alfred E.
Hendricks John S.
Lappington John P.
Wunderlich Richard E.
Comcast Ip Holdings I. Llc
Discovery Communications Inc.
Riches Mckenzie & Herbert Llp
LandOfFree
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