ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,364, issued on Dec. 9, was assigned to QUANTA COMPUTER INC. (Taoyuan, Taiwan).

"Mouse device" was invented by Chee-Chun Leung (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mouse device is provided, including a main body and a circuit system. The circuit system is disposed inside the main body. The circuit system has a micro-processor module and a sensing module, which are electrically connected to each other. The sensing module has an optical sensor. The optical sensor emits a sensing light to a reference surface for detecting the movements of the finger relative to the reference surface."

The patent was filed on July 3, 2023, un...