ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,748,346, issued on Sept. 29, was assigned to Guangzhou Lihe Electronic Technology Co. Ltd. (Guangzhou, China).
"Projection apparatus" was invented by Jialin Li (Zhuhai, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a projection apparatus, including a first projection module, where the first projection module includes a first light emitter and an optical texture member. The optical texture member includes a plurality of textures and recesses, the plurality of textures are defined as a first texture and a second texture, a length of the first texture is d1, a length of the second texture is d2, and d1less than=d2. T...