Announcing the availability of an electronic programming...

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

2007-08-30

2010-11-02

Salce, Jason P (Department: 2421)

Interactive video distribution systems

Operator interface

To facilitate tuning or selection of video signal

C725S032000, C725S039000, C725S043000, C725S044000, C725S045000, C725S048000, C725S049000, C725S051000, C725S054000

Reexamination Certificate

active

07827576

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: 4751578 (1988-06-01), Reiter et al.
patent: 6522342 (2003-02-01), Gagnon et al.
patent: 6557172 (2003-04-01), Carr
Handley et al., Session Announcement Protocol, Oct. 2000, Network Working Group, All Pages.
Handley et al., SDP: Session Description Protocol, Apr. 1998, Network Working Group, All Pages.

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