Group 1 - The core idea of the news is that Chongqing Changan Automobile Co., Ltd. has applied for a patent related to a pedestrian protection method, system, vehicle, and storage medium, aimed at enhancing pedestrian safety by deploying a pop-up hood before a collision occurs [1] Group 2 - The patent application, published as CN121043809A, was filed on May 2024 and includes a method that involves obtaining vehicle speed, acceleration, steering angle, and environmental data of a preset area [1] - The invention predicts the vehicle's trajectory and divides both the preset area and the driving area into multiple sub-regions to determine the pedestrian's location and movement area [1] - The system can activate a pop-up device to raise the engine hood if certain conditions regarding the overlap of the pedestrian's movement area and the corresponding sub-region are met, which can save economic and time costs due to its manual reset capability [1] Group 3 - Chongqing Changan Automobile Co., Ltd. was established in 1996 and is primarily engaged in the automotive manufacturing industry, with a registered capital of approximately 992.18 million RMB [2] - The company has invested in 119 enterprises, participated in 5000 bidding projects, and holds 3129 trademark records and 5000 patent records, along with 1053 administrative licenses [2]