Synchronizing services across open cable and packet cable

Details Synchronizing services across open cable and packet cable Synchronizing services across open cable and packet cable

2006-08-15

2006-08-15

Kelley, Chris (Department: 2623)

Interactive video distribution systems

Video distribution system with upstream communication

C725S032000, C725S136000, C725S139000, C348S500000, C370S324000, C370S503000

Reexamination Certificate

active

07093275

ABSTRACT:
Disclosed is a system and that synchronizes utilization of a data transfer with an audio/video stream. Time information contained within an audio/video stream is monitored for a specified time at which a data transfer may be combined with the audio/video stream. Combination includes logical operations, arithmetic operations, and may include screen windowing or other operations. Time required to request and receive a data transfer may be monitored or estimated such that requests for data are issued in advance of utilization of the data, allowing for data transfer time and network access time or other factors. Requests for a data transfer may be processed employing user information such that returned data transfers reflect a characteristic of the user.

REFERENCES:
patent: 6324694 (2001-11-01), Watts et al.
patent: 6487543 (2002-11-01), Ozaki et al.
patent: 6493872 (2002-12-01), Rangan et al.
patent: 6530084 (2003-03-01), Del Sesto et al.

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