Patent ID: 7685621

Claim:
A digital television broadcast signal receiver connected to a multi-directional antenna having a predetermined number of signal receiving directions in compliance with a predetermined technical standard, receiving a digital television broadcast signal by making only one signal receiving direction among the predetermined number of signal receiving directions effective, comprising: a tuner for receiving a television broadcast signal through the multi-directional antenna; a wireless remote controller operated by a user for inputting at least local information relating to a location of the multi-directional antenna; a memory for memorizing at least information of television broadcast signal transmission towers (abbreviated as TV tower) including location information relating to location of at least one TV tower existed in an area where digitized terrestrial broadcast is performed and channel information relating to at least one channel, television broadcast signal of which is transmitted from the TV tower; a controller for switching an effective signal receiving direction of the multi-directional antenna, measuring a signal receiving condition of a television broadcast signal received by the tuner, and comparing a plurality of signal receiving conditions; and wherein when a multi-directional antenna is connected to the tuner and the location information is inputted by the user, the controller identifies an area based on the local information and at least one TV tower in the area based on the information of the TV towers and the local information; the controller decides an optimum signal receiving direction of a channel having a smallest channel number among a group of channels transmitted from each TV tower as an optimum signal receiving direction of the group of channels, based on the signal receiving condition of the channel having the smallest channel number, and memorizes the optimum signal receiving direction in the memory as the optimum signal receiving direction of all of the group of channels.