User interface for interactive television systems

Details User interface for interactive television systems User interface for interactive television systems

2009-03-11

2010-10-19

Lonsberry, Hunter B. (Department: 2421)

Interactive video distribution systems

Operator interface

To facilitate tuning or selection of video signal

C725S009000, C725S014000, C725S016000, C725S049000, C725S051000

Reexamination Certificate

active

07818768

ABSTRACT:
An interactive television system transmits and displays a television program having an associated channel. The system also transmits and displays an interactive television mode indicator if the displayed television program supports an interactive television mode. The interactive television mode is activated in response to a request from a viewer of the television program to activate the interactive television mode. The system updates a channel status list to indicate that the television program is being viewed in the interactive television mode. The system is also able to handle requests for activating an online television mode. When changing channels, the channel status list is used to restore a previously activated interactive television mode or online television mode for a particular television channel. Two different indicators may be transmitted and displayed to indicate whether the television program supports an interactive television mode and/or an online television mode.

REFERENCES:
patent: 5034902 (1991-07-01), Steinmann
patent: 5850249 (1998-12-01), Massetti et al.
patent: 5933192 (1999-08-01), Crosby et al.
patent: 6177931 (2001-01-01), Alexander et al.
patent: 6240555 (2001-05-01), Shoff et al.
patent: 6421728 (2002-07-01), Mohammed et al.
patent: 6567982 (2003-05-01), Howe et al.
patent: 6600496 (2003-07-01), Wagner et al.

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