ALEXANDRIA, Va., June 16 -- United States Patent no. 12,656,667, issued on June 16, was assigned to Shenzhen Bolong Technology Co. Ltd. (Shenzhen City, China).
"Film disc for story projector" was invented by Huazhu Zheng (Shenzhen City, China), Caijian Zheng (Shenzhen City, China), Wenzhen Ouyang (Shenzhen City, China) and Yunyun Lu (Shenzhen City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a film disc for a story projector, configured to be inserted into a story projector main body to achieve synchronous playback of images and audio. The film disc includes a housing, a rotating disc, and an audio module. The housing is provided with a projection hole and a driving ho...