| 摘要 |
PURPOSE:To receive various satellite broadcasts by means of a single antenna by changing automatically the direction of the antenna. CONSTITUTION:An antenna device which receives the satellite broadcasts is provided with the sensor 2 and 3 which check the directions of an antenna 1, a storage 7 which stores the value of both sensors 2 and 3, and a tuner 8 which serves as a selection means which selects a desired program. Furthermore the control motors 4 and 5 are added to change the direction of the antenna 1 and motor control means 6 which controls the direction of the antenna 1 based on the data stored in the means 7 and the signal selected by the selection means by means of both motors 4 and 5.
|
