Digital broadcasting receiving device

Details Digital broadcasting receiving device Digital broadcasting receiving device

2011-08-02

2011-08-02

Vu, Ngoc (Department: 2421)

Interactive video distribution systems

Access control or blocking

Of specific program

C725S027000, C725S038000

Reexamination Certificate

active

07992164

ABSTRACT:
A microcomputer18obtains a variable RRT from a broadcast signal and stores, in a recording medium, the variable RRT in association with a physical channel; sets a viewing restriction flag for an item in the variable RRT based on an operation input from a user; applies viewing restriction to the broadcast signal when rating information indicates the level at which the viewing restriction flag has been set in the variable RRT; and, when a logical channel is not associated with the selected physical channel, tunes, as an alternative channel, a physical channel with which a logical channel has been associated in the channel map of the other tuner, and associates a variable RRT associated with the alternative channel, with the selected physical channel.

REFERENCES:
patent: 5751335 (1998-05-01), Shintani
patent: 6700624 (2004-03-01), Yun
patent: 2002/0023262 (2002-02-01), Porter
patent: 2007/0180462 (2007-08-01), Shin et al.
patent: 2003-110953 (2003-04-01), None
patent: 2003-518881 (2003-06-01), None
patent: 2003-198974 (2003-07-01), None
patent: WO/01/49034 (2001-07-01), None

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