Importance

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Abstract

A digital data delivery system which uses satellite broadcasting to deliver digital data along with audio and video signals. Digital data files are divided into packets and combined with audio and video packets in a time-division-multiplexed format. The time-division-multiplexed data is digitally modulated and then uplinked to a satellite transponder. The satellite transponder broadcasts the data to a multiplicity of user stations. The data which are broadcast by the satellite transponder are received by a satellite dish at each user station. Each satellite dish then relays the data to a receiver. The receiver identifies and separates the digital data file packets from the audio and video packets and outputs the digital data file packets to a data output port. A data bridge receives the packets from the data output port, buffers the packets, and converts the packets into a format that can be read by standard commercial I/O cards.

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First Claim