ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,621, issued on Dec. 23, was assigned to Coretronic Corp. (Hsin-Chu, Taiwan).
"Wheel of projector having damper" was invented by Chun-Lung Yen (Hsin-Chu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wheel including a substrate, a driving assembly, a fixing bracket, and a damper is provided. The driving assembly is disposed on the substrate to drive the substrate to rotate. The driving assembly and the damper are fixed onto the fixing bracket. The damper is disposed between the driving assembly and the fixing bracket, and the driving assembly is located between the substrate and the damper. The driving assembly has a first diameter, the dam...