Interactive video distribution systems – Video distribution system with upstream communication – Having link to external network
Reexamination Certificate
2006-10-03
2006-10-03
Bui, Kieu-Oanh (Department: 2623)
Interactive video distribution systems
Video distribution system with upstream communication
Having link to external network
C725S038000, C725S051000, C725S112000, C725S151000
Reexamination Certificate
active
07117522
ABSTRACT:
A TV transmitter, a TV transmitting—method, a TV receiver and a TV receiving method allowing users to find and choose desired programs through the use of a program guide displayed by graphical user interface (GUI). The TV transmitter comprises a signal generation unit for generating text data signals associated with TV broadcast programs and hyper text data signals corresponding to the text data signals, a multiplexer for multiplexing the text data signals and the hyper text data signals onto video signals of the TV broadcast programs to provide a multiplexed TV broadcast signal, and an output unit for outputting the multiplexed TV broadcast signal provided by the multiplexer. The TV receiver comprises a display unit-for receiving and displaying text data signals extracted from a multiplexed TV broadcast signal interleaving the text data signals associated with TV broadcast programs and hyper text data signals corresponding to the text data signals a designation unit for designating any one of the text data signals displayed by the display unit a detection unit for detecting the hyper text data signal corresponding to the text data signal designated by the designation unit and a processing unit for processing the TV broadcast program corresponding to the hyper text data signal detected by the detection unit.
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Enomoto Takaaki
Kisanuki Chisato
Nishioka Hisao
Ota Jun
Bui Kieu-Oanh
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Sony Corporation
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