ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,835, issued on Nov. 25, was assigned to BenQ Corp. (Taipei, Taiwan).
"Speaker" was invented by Tung-Ko Lu (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A speaker, including a paper cone, a damping ring, a damper, a magnetic assembly, and a voice coil, is provided. The damping ring is integrally connected to the paper cone. The damping ring has a first side edge and a second side edge opposite to each other, and the first side edge is connected to the paper cone. The damper has an inner edge and an outer edge. The outer edge abuts against the second side edge of the damping ring. The magnetic assembly abuts against the inner edge of ...