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US 4,829,372 AGranted
Presentation player
AssigneeTelaction Corporation
InventorsKarl W. McCalley, Steven D. Wilson, James L. Fischer
Life of this patent
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AssigneeTelaction Corporation
InventorsKarl W. McCalley, Steven D. Wilson, James L. Fischer
Estimating the term…
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.
In an interactive communication system wherein subscribers select from a plurality of video/audio presentations, said video/audio presentations being transmitted in the form of digital packets of information to a plurality of presentation players, each said digitial packet uniquely addressed to said requesting subscriber, said presentation players each comprising:
A presentation player for receiving video/audio presentations selected by a subscriber of an interactive communication system, said vide/audio presentations being transmitted in the form of digital packets of information, each said digital packet uniquely addressed to said requesting subscriber, said presentation player comprising:
In a cable television network, a device for distributing to subscribers video/audio presentations selected by said subscribers, comprising:
Dependencies are inferred from the claim text.