712 applies for relevant patents for shunting alarm system, AI absence alarm system ensures safety of railway flat shunting driving

On March 20, the National Intellectual Property Administration’s information shows that Tianjin Qiyi Er Mobile Communication Co., Ltd. has applied for a patent titled “Method for Implementing an AI Off-Seat Alarm System for Flat Car Shunting Operations.” The application publication number is CN121661790A, the application number is CN202511857441.8, the publication date is March 13, 2026, and the application date is December 10, 2025. The inventors are Wang Yuwei, Xiang Haowei, Shang Mengyao, Qin Sibo, Wang Fusen, and Yang Tenteng. The patent agency is Tianjin Zhonghuan Patent & Trademark Agency Co., Ltd., with patent agent Wang Fengying. The classification codes are G08B21/22, G08B7/06, G08B21/18, G06V20/59, G06V10/25, and B61C17/00.

Patent Abstract: The invention discloses a method for implementing an AI off-seat alarm system for flat car shunting operations. The system includes an AI processing module, an image acquisition module, and a display terminal module. The system captures real-time information of the shunter’s portrait recognition frame within the image acquisition area and sends it to the AI processing module via a local area network. The AI processing module compares the fixed portrait recognition frame on the shunter’s cab in the flat car shunting operation with the proportion of the frame within the acquisition area, calculates the ratio of the portrait recognition frame after determining the real-time movement direction of the shunter, and judges whether to trigger an alarm based on this ratio. The alarm information is then sent to the backend vehicle dispatcher display terminal for real-time display. This system can prevent or avoid accidents caused by the shunter leaving the cab and failing to receive timely instructions from the operation backend during flat car shunting, thereby ensuring safety in flat car shunting operations.

Tianyancha data shows that Tianjin Qiyi Er Mobile Communication Co., Ltd. was established on August 18, 2000. The legal representative is Dong Guojun. The industry is computer, communication, and other electronic equipment manufacturing. The company is medium-sized, with a registered capital of 152 million RMB and paid-in capital of 152 million RMB. The registered address is No. 506-11, Building 1, Rongsheng Plaza, Binhai-Zhongguancun Science Park, Tianjin Economic and Technological Development Zone (multiple addresses exist). The company has invested in 1 enterprise, participated in 945 bidding projects, and holds 21 trademarks, 377 patents, and 83 administrative licenses.

Recent patent applications by Tianjin Qiyi Er Mobile Communication Co., Ltd.:

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