ALEXANDRIA, Va., June 10 -- United States Patent no. 12,294,157, issued on May 6, was assigned to Beijing BOE Sensor Technology Co. Ltd. (Beijing) and BOE TECHNOLOGY GROUP Co. LTD. (Beijing).

"Dual-frequency antenna and electronic device" was invented by Xiaoqiang Yang (Beijing), Zhifeng Zhang (Beijing), Yiming Wang (Beijing), Cuiwei Tang (Beijing), Wei Zhao (Beijing), Lu Chen (Beijing) and Zixiang Lin (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dual-frequency antenna and an electronic device are provided, and belong to the field of communication technology. The dual-frequency antenna includes a first antenna unit and a second antenna unit opposite to each other, and a filtering unit therebetwe...