US Patent 11546728 Methods and apparatus for presence sensing reporting

A system includes sensors disposed within a location for outputting presence signals to a smart device, for receiving an ephemeral ID signal from the smart device, for outputting sensor ID signals to the smart device, for receiving responsive data from the smart device and for determining presence of the smart device in response to the responsive data, an authentication server for receiving the sensor ID signals from the smart device, for determining the responsive data, and for providing the responsive data to the smart device, a hub device coupled to the sensors for receiving an indication of the determination of the presence of the smart device, for determining additional data associated with the smart device, for facilitating a physical change perceptible to a user of the smart device in response to the additional data, and for providing the presence data to a smart device associated with a first responder.