Disclosed is a television tuner for receiving television broadcast signals with an antenna, which is equipped with an auto-scan unit that causes a channel storing section, which stores a receiving channel at the time when the signal condition from a tuner section matches the predetermined signal condition, to automatically store the receiving channel, wherein the auto scan unit detects switches among the receiving channel sequentially in the tuner section to detect the signal condition, and, after signal condition is detected for every channel, performs a variable directivity control for the antenna, resulting in an increased auto-scan execution speed.