Patent ID: 11908313
Assignee: IOT AUTOMATION GLOBAL PTY LTD
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F  G  E  H | IPC G  H

Claim 12:
13. A method of alerting a person in an underground passageway of an event, said method comprising:
providing a dynamic lighting system according to claim 1; and
continuously monitoring data from at least one sensor in communication with the controller, said at least one sensor configured to sense an environmental condition within or near the underground passageway, said controller, responsive to receiving data from the at least one sensor, configured to selectively activate the at least one visual signal of any one of the light modules when an emergency or abnormal said environmental condition is detected,
wherein the light emitted for ordinary operations is white light and the at least one visual signal is selectable from a flashing non-white light and a constant non-white light, and
wherein, when said at least one visual signal is a flashing non-white light, the light modules are configured to flash the at least one visual signal relative to one another in a sequential and coordinated pattern to direct a person away from the abnormal or emergency said environmental condition.