Fractal Antenna Systems has introduced Acoustic Resonance Mitigation (ARM), a technology that disables drones using directed acoustic energy. ARM emits sonic, ultrasonic, and subsonic waves to induce vibrations or Prandtl boundary layer instability, leading to flight failure. Propeller blades are especially vulnerable, as turbulence or vibrations can disrupt a drone’s inertial measurement unit (IMU).
Portions of an ARM button array (non-parametric) for a DRONE BLASTR airborne drone.
ARM technology, co-invented by Fractel CEO Nathan Cohen, is backed by U.S. patents and licensed to Fractal. The technology has been demonstrated by foreign groups, though U.S. patents predate these efforts, according to Cohen. Cost-effective and portable, ARM is specifically designed to disable drones, from microdrones to pizza box-sized devices.
In military applications, ARM can be deployed on attack drones to disable adversarial swarms. Known as the DRONE BLASTR, this patent-pending in situ device offers a new method for countering drone swarms. Beyond the battlefield, ARM offers a countermeasure against drones used in illegal surveillance and smuggling.
A timeline for commercialization was not available at the time of this announcement. Government, public safety agencies, and related enterprises can contact Fractal for more information.
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