ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,793, issued on May 27, was assigned to ASUSTeK COMPUTER INC. (Taipei, Taiwan).

"Accessory device, and electronic system and operation method thereof" was invented by Kai-Chun Liang (Taipei, Taiwan), Kian Ming Chee (Taipei, Taiwan), Chia-Yu Liu (Taipei, Taiwan), Yii-Lin Wu (Taipei, Taiwan) and Chia-Jui Shih (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An accessory device, and an electronic system and an operation method thereof are provided. The accessory device includes a functional module, a first connection interface, a second connection interface, a switch module, and a microcontroller. The first connection interface is configur...