ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,499,794, issued on Dec. 16, was assigned to UNILUMIN GROUP Co. LTD. (Shenzhen, China).
"Media data encryption, and media data playback" was invented by Feng Qi (Guangdong, China) and Chengzhi Yu (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of encrypting media data includes: obtaining the media data and one or more structure parameters of a display screen of a data playback device; constructing a data arrangement table based on the structure parameters; performing a data rearrangement operation on the data arrangement table to obtain position rearrangement index data, where the position rearrangement index data represents a m...