Television – Receiver circuitry – Tuning
Reexamination Certificate
2003-01-21
2008-12-23
Lee, M. (Department: 2622)
Television
Receiver circuitry
Tuning
C348S731000, C725S038000
Reexamination Certificate
active
07468762
ABSTRACT:
A digital/analog TV receiver is provided comprising a broadcasting signal receiver for receiving broadcasting signals of both ground wave and cable wave, a main controller which carries out the process of full-range scanning including a transmission route examining step of automatically specifying the transmission route of a broadcasting signal and a channel examining step of automatically specifying the channel of the broadcasting signal received from the transmission route, and a memory for holding a channel map where the channel of each broadcasting signal is stored. The main controller can carry out the transmission route examining step to check the receipt of the ground wave broadcasting signal of a digital form by the broadcasting signal receiver and automatically examine from the result of the checking whether the broadcasting signal is received from the ground wave transmission route or the cable wave transmission route. Also, the main controller can check the receipt of the broadcasting signal from the transmission route by the broadcasting signal receiver and automatically specify from the result of the checking the channel of the broadcasting signal received from the transmission route. The channel of the broadcasting signal is then stored into the channel map of the memory by the main controller.
REFERENCES:
patent: 6721018 (2004-04-01), Shintani et al.
patent: 6924848 (2005-08-01), Onomatsu
patent: 2006/0038926 (2006-02-01), Mayer et al.
patent: 10-233970 (1998-09-01), None
patent: 2000-312134 (2000-11-01), None
Ishihara Kazuhide
Katayama Takahiro
Crowell & Moring LLP
Funai Electric Co. Ltd.
Lee M.
LandOfFree
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