ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,699, issued on June 23.
"Projection device" was invented by Chunlan Wang (Ganzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A projection device is provided, including a main body, a cover body, a light-emitting assembly, a film assembly, and an imaging assembly. The cover body is movably connected to the main body. The light-emitting assembly is configured to emit light signals. The film assembly is disposed on a transmission path of the light signals. The imaging assembly is configured to image the light signals after passing through the film assembly, when the cover body covers the main body, the imaging assembly is disposed on one sid...