US Patent 9983011 Mapping and facilitating evacuation routes in emergency situations

Systems and methods for indicating an emergency exit path upon detection of a fire in a building structure. The systems and methods may include detecting a signal indicating presence of the fire in the building structure and determining an evacuation situation is present based on a risk assessment. In response to determining the evacuation situation is present, the systems and methods may include mapping the emergency exit path out of the building structure based on an identified location of the fire and an identified location of a person in the building structure, and operating a plurality of lighting devices in the building structure to indicate the emergency exit path out of the building structure.