Patent ID: 11929553
Assignee: AMERICAN UNIVERSITY OF BEIRUT
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. A method of mechanically reconfiguring an antenna radiator system comprising: operably coupling an antenna and a moiré radiation pattern to actuated by a low power actuation mechanism, wherein low power is less power required by a DC motor; including an intersection of repeated patterns altering the antenna's characteristics on the antenna moiré radiation pattern; and tuning the operating frequency, changing the antenna radiation pattern, and altering the antenna's polarization between an elliptical or circular polarization; a small mechanical motion on the low power actuation mechanism to create a geometric variation in the moiré radiation pattern to significantly change the antenna's characteristics; the small mechanical motion comprises a fixed rotation to change the polarization of the antenna or reconfigure the radiation pattern; the rotational change allows for continuous steering of the radiation pattern of the antenna with fine tuning over a 360° range; and the low power actuation mechanism is a ratchet mechanism driven by a shape memory alloy actuator.