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公开(公告)号:US11823559B2
公开(公告)日:2023-11-21
申请号:US16714996
申请日:2019-12-16
摘要: A method and system provide for project a safe area during an emergency situation is provided. A server, using at least one electronic sensor, determines that an emergency situation is occurring in a building. The emergency situation can be an armed intruder, a natural disaster, a chemical spill or the like, etc. The server determines likely unsafe areas and at least one likely safe area within the building during the emergency situation. A projector, which can be incorporated into a camera or separate from a camera, projects visual guidance features within the building, the visual guidance features directing occupants in the building toward the likely safe area.