Abstract: A signal device is provided for identifying and communicating a location or hazard, concealed within a housing on a hard hat having a pocket. Further provided is a detachable housing to be placed in the pocket. Embodiments incorporate a speaker for audible identification, a light emitting diode (LED) for visual identification and a global positioning sensor (GPS) for identifying the wearer's location and various circuits and systems that utilize the invention.
Type:
Grant
Filed:
September 24, 2009
Date of Patent:
June 5, 2012
Inventors:
Timothy Alan Cummings, Joseph Nick Filadelfia, Jr.