北京博道焦点科技申请在兴趣面数据集中嵌入数字水印方法等相关专利，完成数字水印嵌入操作

Group 1 - Beijing Baodao Focus Technology Co., Ltd. applied for a patent titled "Method, Device, and Electronic Equipment for Embedding Digital Watermarks in Interest Area Data Sets" with publication number CN120031703A, filed on April 2025 [1] - The patent involves technology in the field of geographic information security, focusing on embedding digital watermarks based on copyright information and the timing of the embedding operation [1] - The method includes generating watermark information data, determining a reference ray based on starting and farthest endpoint distances, and calculating initial distance ratios to embed digital watermarks [1] Group 2 - Beijing Baodao Focus Technology Co., Ltd. was established in 2010 and is located in Beijing, primarily engaged in technology promotion and application services [2] - The company has a registered capital of 20 million RMB and has participated in 8 bidding projects, with 4 trademark information entries and 13 patent information entries [2] - Additionally, the company holds 3 administrative licenses [2]