Automatic channel searching method for a television receiver

Details Automatic channel searching method for a television receiver Automatic channel searching method for a television receiver

1995-12-28

1998-07-28

Powell, Mark R

Television

Basic receiver with additional function

For display of additional information

348564, 348569, 348570, H04N 5445, H04N 550

Patent

active

057868697

ABSTRACT:
An automatic channel searching method for a picture-in-picture type television receiver which automatically searches other channel broadcasting signals and displays the searched channel broadcasting signal on a sub-channel region of a display screen when the present viewing channel program is almost completed or a new channel broadcasting program starts, thereby providing convenience for the user's channel selection. According to the channel searching method, broadcasting program information signal is detected from an input channel broadcasting signal, if it is determined according to the detected information signal whether or not a newly starting broadcasting program of a corresponding channel is displayed on the sub-channel region. Meanwhile, the end time of the present viewing broadcasting program may be determined according to the detected information signal, and other channel's broadcasting programs may be searched in turn and displayed on the sub-channel region before the end time of the present broadcasting program.

REFERENCES:
patent: 4890168 (1989-12-01), Inoue et al.
patent: 5161019 (1992-11-01), Emanuel
patent: 5194954 (1993-03-01), Duffield
patent: 5251034 (1993-10-01), Na
patent: 5420642 (1995-05-01), Baek
patent: 5432561 (1995-07-01), Strubbe

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