US Patent Issued to Beijing Zitao Network Technology, Lemon on Feb. 10 for "Vibration unit and head-mounted display device" (Chinese, American Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,251, issued on Feb. 10, was assigned to Beijing Zitao Network Technology Co. Ltd. (Beijing) and Lemon Inc. (Grand Cayman, Cayman Islands).

"Vibration unit and head-mounted display device" was invented by Erting Cheng (Beijing), Ali Israr (Los Angeles), Dehao Zhao (Beijing) and Guanqun Zhang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vibration unit and a head-mounted display device are provided. The vibration unit includes a vibration motor, a vibration motor mount, a pressing guide, a main frame and an elastic member, the pressing guide including a pressing rod and a pressing plate, and a through hole being provided in either end of t...