Tucson tech: Mining tech firm carving niche in fatigue detection Print Email Buy NowGuardvant's proximity awareness system features a cockpit camera display and uses radar and GPS to pinpoint hazards. March 12, 2013 12:00 am • COURTESY OF GUARDVANT Comments Tags Technology, Guardvant, Mining, Tucson Companies, Tucson Tech, Mining Safety, Miner Safety, Fatique On The Job, Chilean Customer Join Discussion Related Stories Tucson tech: Mining tech firm carving niche in fatigue detection More Local stories Arizona employers getting a pass from 2007 sanctions law News & Notes: Judge won't reconsider ruling on mining ban Housing: Credit-report system punishes short sellers unfairly New Flex joins step counters