Patent ID: 9311805
Filing Date: 2016-04-12
CPC Classification: G08B,H04M

Claim Text:
1. An electronic communication unit comprising a sensor for monitoring airborne chemicals; and a processor for operating said unit; said processor being configured to operate said unit in a first mode of operation during which monitoring of air occurs and a level of an airborne chemical is assessed against pre-determined levels; and said processor is configured to operate said unit in a second mode of operation during which monitoring of said air occurs and an alarming level of an airborne chemical is assessed against predetermined levels; and said processor launches an alarm routine; wherein during said first mode of operation, said processor evaluates the level of harm of exposure to a detected airborne chemical; and assesses the length of time for arriving at said alarming level at said detected exposure level; said unit further comprising a display for displaying a countdown of said length of time which said airborne chemical is tolerable prior to reaching said alarming level; said processor counting down said time until either potentially reaching said alarming level, at which point an alarm routine is launched; or an acceptable level of airborne chemical is reached; and wherein said sensor is integral with said unit.