System for interactively distributing information services

Details System for interactively distributing information services System for interactively distributing information services

2000-12-18

2010-02-02

Saltarelli, Dominic D (Department: 2421)

Interactive video distribution systems

Video distribution system with upstream communication

Transmission network

C725S086000, C370S295000, C370S431000

Reexamination Certificate

active

07657918

ABSTRACT:
An interactive information distribution system includes service provider equipment for generating an information stream that is coupled to an information channel and transmitted to subscriber equipment. The service provider also generates a command signal that is coupled to a command channel and transmitted to the subscriber equipment. The service provider also receives information manipulation requests from the subscriber via a back channel. A communication network supporting the information channel, command channel and back channel is coupled between the service provider equipment and the subscriber equipment.

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