Group 1 - The core point of the article is that Beijing Xiaomi Mobile Software Co., Ltd. has obtained a patent for a "distance measurement method and device, terminal, and storage medium" with the authorization announcement number CN115524707B, applied for on June 2021 [1] - Beijing Xiaomi Mobile Software Co., Ltd. was established in 2012 and is located in Beijing, primarily engaged in software and information technology services [1] - The company has a registered capital of 148.8 million RMB and has made investments in 4 enterprises, participated in 150 bidding projects, and holds 5000 patent information along with 123 administrative licenses [1]