Television – Television transmitter circuitry
Reexamination Certificate
2007-05-01
2007-05-01
Natnael, Paulos M. (Department: 2622)
Television
Television transmitter circuitry
Reexamination Certificate
active
09729989
ABSTRACT:
To present a broadcasting system of data broadcast capable of changing the screen display in a receiver, by displaying selectively the broadcast contents of plural channels on a receiving screen of digital satellite broadcasting of one channel, and selecting desired broadcast contents from plural on-air channels by viewer's local command operation. It is realized by broadcasting a reception screen1and a program Pr for controlling the sound suited to this screen1to a receiver Tv by using data broadcasting band in television broadcasting, and also broadcasting images of one channel of program and broadcast contents of plural programs used in data broadcast in the sound broadcasting band usually in combination to the receiver Tv, and, at the receiver Tv, selecting one desired program from the combined image and sound mixed signals of plural programs by the program Pr already received, and displaying on the screen1of the receiver Tv and delivering the sound of this screen.
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Kobayashi Masanao
Nakada Kentaro
Tomomitsu Akira
Duane Morris LLP
Natnael Paulos M.
NHK Service Center, Inc.
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