ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,780, issued on Nov. 18, was assigned to Teh Yor Co. Ltd. (New Taipei, Taiwan).

"Window shade and actuating system thereof" was invented by Chung-Chen Huang (New Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An actuating system for a window shade includes a transmission axle, a brake assembly and a clutch. The transmission axle is rotationally coupled to an axle adapter for rotation about a longitudinal axis. The brake assembly includes an arrester, a rotary element rotatable about the longitudinal axis, and a shift collar configured to couple and decouple the rotary element from the arrester, the shift collar switching from a decoupl...