Patent ID: 7936316

Claim:
A smart antenna, comprising: an interface ( 12 ) that is connected to a television receiver ( 20 ), receives channel information from the television receiver ( 20 ) for controlling receiving direction, and outputs the channel information: an antenna controller ( 11 ) that acquires the channel information from the interface ( 12 ), judges television broadcasting signals that corresponds to physical channel identification number included in the channel information and selects receiving direction; a receiving element ( 13 ) for receiving television broadcasting signals that is capable of being controlled by the antenna controller ( 11 ) to select receiving direction from predetermined plurality of receiving directions, and receives the television broadcasting signal at a higher sensitivity coming from the selected receiving direction than that of the television broadcasting signals from other receiving directions; a chassis ( 14 ) that is comprised of an upper chassis part ( 14 a ) and a lower chassis part ( 14 b ) and holds the receiving element ( 13 ), the interface( 12 ), and the antenna controller ( 11 ) horizontally in the upper chassis part ( 14 a ) and the lower chassis part ( 14 b ) when the upper chassis part ( 14 a ) and the lower chassis part ( 14 b ) are coupled together, and is formed in a thin cylindrical shape; an outer covering unit ( 60 ) that covers and veils the chassis ( 14 ), and is made of an insulating material; and a shaft portion ( 17 ) that connects the lower plane of the chassis ( 14 ) to the television receiver ( 20 ) with a predetermined distance between the chassis ( 14 ) and the television receiver ( 20 ).