US Patent 9959717 Security and first-responder emergency lighting system

A network system in a building complex linking different locations together and facilitating information and data exchange and access, includes ‘N’ number of autonomous nodes for receiving, processing, and storing sensory data collected by one or more sensors relating to an environment in ‘N’ number of regions within the building complex. The nodes are configured to communicate and share sensory data among the ‘N’ number of nodes and to generate a dynamic virtual map of the building complex environment that is accessible by users having access to the network.