Digital/analog television signal receiving set

Details Digital/analog television signal receiving set Digital/analog television signal receiving set

2005-08-02

2005-08-02

Kostak, Victor R. (Department: 2614)

Television

Receiver circuitry

Tuning

C348S554000, C725S038000, C725S059000

Reexamination Certificate

active

06924848

ABSTRACT:
The digital/analog television signal receiving set10includes a tuner12, and the tuner12receives television signals of ATSC system and NTSC system. In the case of automatic scanning, a virtual channel table with respect to television signals of ATSC system capable of being received is stored in the memory28. A channel number of television signals of NTSC system capable of being received is stored in the memory28. Successively, it is detected whether or not an analog television channel described on the virtual channel table stored in the memory28can be received. When it is possible to receive the analog television channel, the channel number of the television signal of NTSC system is deleted from the memory28. However, when it is possible to receive the analog television channel, the analog television channel included on the virtual channel table is deleted from the memory28.

REFERENCES:
patent: 6115080 (2000-09-01), Reitmeier
patent: 6483547 (2002-11-01), Eyer
patent: 6490001 (2002-12-01), Shintani et al.
patent: 6600522 (2003-07-01), Kim
patent: 6721018 (2004-04-01), Shintani et al.
patent: 2000-59180 (2000-02-01), None

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