H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/24
H04N 7/173 (2006.01) H04M 11/00 (2006.01) H04H 9/00 (2006.01)
Patent
CA 1327393
ABSTRACT The present invention relates to a presentation player which is utilized in a digital, interactive communication system accessible to a plurality of subscribers who can select any of a plurality of pre-recorded video/audio presentations for viewing on their television sets. The presentation player includes a converter which is tuned to a channel for monitoring a digital stream of information including digital packets representative of the video/audio presentations selected by subscribers. These digital packets of information include an address assigned to the particular requesting subscriber. In accordance with this addressing information, a controller distributes the digital packet of information to one of a plurality of subscriber servers housed within the presentation player. The subscriber server receiving the uniquely addressed digital packets converts the packet into an NTSC-compatible analog formatted video/audio presentation for transmission to the requesting subscriber.
572467
Fischer James L.
Mccalley Karl W.
Wilson Steven D.
It Network Inc.
Osler Hoskin & Harcourt Llp
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