ALEXANDRIA, Va., June 2 -- United States Patent no. 12,645,547, issued on June 2, was assigned to Honor Device Co. Ltd. (Shenzhen, China).

"Differential file restoration method and electronic device" was invented by Yanzhao Wang (Shenzhen, China), Zenghui Zhang (Shenzhen, China), Chao Chen (Shenzhen, China) and Jiulin Huang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of this application provide a differential file restoration method and an electronic device. In the method, a differential file includes at least one group of data compressed blocks, and data compressed blocks in each group are divided based on a preset block size before being compressed. When the electronic devic...