US Patent Issued to MINISWYS on Dec. 16 for "Drive unit with at least two oscillating arms" (Swiss Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,531, issued on Dec. 16, was assigned to MINISWYS SA (Biel, Switzerland).

"Drive unit with at least two oscillating arms" was invented by Raphael Hoesli (Nidau, Switzerland) and Maxime Roten (Fenin, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piezoelectric drive unit is configured for driving a passive element relative to an active element, wherein the active element includes a resonator with two arms, each extending in parallel to a reference plane and ending in a contact element, which is movable by oscillating movements of the arms and thereby drives the passive element. Each of the arms has, at the outer end of the arm, a protrus...