Method and apparatus for performing automatic channel selection

Details Method and apparatus for performing automatic channel selection Method and apparatus for performing automatic channel selection

1996-07-22

1998-05-26

Burgess, Glenton B.

Television

Receiver circuitry

Tuning

348732, 348563, H04N 544

Patent

active

057574413

ABSTRACT:
An automatic channel selecting and/or tuner diagnosing method for a double-tuner television receiver is provided. The method includes the following steps. Performing a first channel selection operation via a first tuner to search for a first channel on which a first broadcast signal is transmitted. Determining if the first tuner receives the first broadcast signal. Performing a second channel selection operation via a second tuner to search for a second channel on which a second broadcast signal is transmitted when the first tuner does not receive the first broadcast signal after performing the first channel selection operation. Determining if the second tuner receives the second broadcast signal. Outputting a first message indicating that the first tuner has a malfunction when the second tuner receives the second broadcast signal. Outputting a second message indicating that the first broadcast signal and/or the second broadcast signal have not been received when the second tuner does not receive the second broadcast signal after performing the second channel selection operation. Furthermore, an apparatus is provided for performing the method above. As a result of the method and apparatus above, the first and second tuners do not have to operated unnecessarily and a user can view television more comfortably.

REFERENCES:
patent: 5034820 (1991-07-01), Cho
patent: 5296931 (1994-03-01), Na
patent: 5311317 (1994-05-01), Ogura et al.
patent: 5382982 (1995-01-01), Enomoto
patent: 5428405 (1995-06-01), Lee
patent: 5436675 (1995-07-01), Hayashi et al.
patent: 5461427 (1995-10-01), Duffield et al.

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