Interactive video distribution systems – User-requested video program system – Video-on-demand
Reexamination Certificate
2006-08-08
2006-08-08
Srivastava, Vivek (Department: 2617)
Interactive video distribution systems
User-requested video program system
Video-on-demand
C725S046000
Reexamination Certificate
active
07089578
ABSTRACT:
There is disclosed an apparatus for updating a viewer profile stored in a digital television device. The apparatus comprises: 1) receiver circuitry for receiving audio-video data packets associated with a plurality of incoming television signals and extracting therefrom at least one data request data packet containing a first data request operable to retrieve a first requested profile datum from the stored viewer profile; and 2) an update controller for receiving the at least one data request data packet from the receiver circuitry and determining if the first requested profile datum is present in the viewer profile, wherein the update controller, in response to a determination that the first requested profile datum is not present in the stored viewer profile, displays on an associated television screen information related to the first requested profile datum.
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patent: 6543052 (2003-04-01), Ogasawara
patent: 2002/0120935 (2002-08-01), Huber et al.
patent: 2004/0078809 (2004-04-01), Drazin
patent: 2004/0237106 (2004-11-01), Brule
patent: 2005/0028207 (2005-02-01), Finseth et al.
patent: 2005/0076367 (2005-04-01), Johnson et al.
Koninklijke Philips Electronics , N.V.
Srivastava Vivek
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