Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Reexamination Certificate
2007-12-14
2011-12-27
Phan, Tho G (Department: 2821)
Communications: radio wave antennas
Antennas
With means for moving directive antenna for scanning,...
C343S765000, C342S359000, C342S375000
Reexamination Certificate
active
08085210
ABSTRACT:
Method for obtaining a predetermined position for a satellite antenna, whereby a controller (9) is made to transfer information to a velocity controller (3), in turn being made to transfer information to a current regulator (4), being made to transfer current to a motor which is intended for setting the desired position of the satellite antenna. The electrical motor (5) is made to receive current from the current regulator so that the electrical motor is made to turn a predetermined angle during a predetermined time interval. An angle sensor (6) is positioned on the satellite antenna and is made to read an absolute angle or an angular displacement of the satellite antenna, and the angle sensor is connected to the controller so as to create a feedback loop. An automatic control system is also disclosed.
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C2SAT communications AB
Phan Tho G
Young & Thompson
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