ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,946, issued on Jan. 20, was assigned to SHANGHAI SHYLON OPTOELECTRONIC TECHNOLOGY Co. LTD (Shanghai).
"Waterproof projector" was invented by Yinghui Lu (Shanghai) and Liang Wei (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a waterproof projector. The projector comprises an upper cover, an upper housing, a cavity shell and a lower cover, the upper cover is arranged at the upper end of the cavity shell, a first sealing structure is arranged between the upper cover and the upper end of the cavity shell, the lower cover is arranged at the lower end of the cavity shell, a second sealing structure is arranged between the lower cover...