Patent ID: 6034743
Filing Date: 2000-03-07
Classification: H04N

Abstract:
An automatic tuning apparatus comprising:tuner means for tune-selecting a prescribed channel from broadcast electric waves including at least a video signal;video signal processing means for receiving said video signal output from said tuner means, and for separating a synchronizing signal included in said video signal;automatic fine tuning (AFT) detection means for detecting a presence or absence of a broadcasting station via a signal received from said tuner means;tuning control means for receiving said synchronizing signal from said video signal processing means and an AFT signal from said AFT detection means, and for controlling a tuning operation of said tuner means;memory means connected to said tuning control means for storing data related to at least a tuning frequency of said tuner means; andsaid automatic tuning apparatus further comprising receiving station situation detection means for detecting a receiving situation of said broadcast electric waves and for outputting the result of the detection to said tuning control means.