Announcing the availability of an electronic programming...

Details Announcing the availability of an electronic programming... Announcing the availability of an electronic programming...

2007-10-16

2007-10-16

Salce, Jason P. (Department: 2623)

Interactive video distribution systems

Operator interface

To facilitate tuning or selection of video signal

C725S032000, C725S051000, C725S039000, C725S043000, C725S044000, C725S048000, C725S049000, C725S054000

Reexamination Certificate

active

09652695

ABSTRACT:
A unique session identifier may be utilized to announce the availability of an electronic programming guide to users of an enhanced television distribution system. In some embodiments, the unique session identifier may be utilized in a variety of systems to provide a uniform way of recognizing the availability of an electronic programming guide in conjunction with enhanced television distribution systems.

REFERENCES:
patent: 6405372 (2002-06-01), Kim et al.
patent: 6522342 (2003-02-01), Gagnon et al.
patent: 2005/0055640 (2005-03-01), Alten
M. Handley et al, Apr. 1998, Network Working Group, RFC 2327 “SDP: Session Description Protocol”, pp. 6-15.
David L. Mills, Mar. 1992, Network Working Group, RFC 1305, Network Time Protocol, Version 3.
“Advanced Television Enhancement Forum Specification (ATVEF)”, Draft, Version 1.1r26 updated Feb. 2, 1999.
Estipona, Jim B., “Time Shifting Enhanced Television Triggers”, U.S. Appl. No. 09/652,413, filed Aug. 31, 2000.
Estipona, Jim B., “Mapping Enhancements to Network Identifiers”, U.S. Appl. No. 09/652,692, filed Aug. 31, 2000.

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