Interactive video distribution systems – Video distribution system with upstream communication – Telephony via television distribution network
Reexamination Certificate
2006-06-06
2006-06-06
Srivastava, Vivek (Department: 2617)
Interactive video distribution systems
Video distribution system with upstream communication
Telephony via television distribution network
C725S122000, C725S129000
Reexamination Certificate
active
07058966
ABSTRACT:
A method of transmitting TV signals and bidirectional telephone communication signals on a single optical fiber, existing telephone twisted pair infrastructure, and existing coaxial cable infrastructure. In addition to allowing the downstream transmission of television channels as well as bidirectional telephone communication, the single optical fibers also provides for the upstream travel of television related signals while requiring minimal changes of the existing infrastructure.
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Srivastava Vivek
Tellabs Bedford, Inc.
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