Baltimore, MD -- Paul Merenbloom is founder of Concordia Systems. He has a software system called SentinelCare that uses motion sensors to improve safety for seniors who live alone. Barbara Haddock Taylor(Barbara Haddock Taylor / Baltimore Sun)
A US start - up has developed a monitoring programme that uses social - security systems to monitor an elderly person 's daily activities , enabling them to live independently for as long as possible . Baltimore - based Concordia Systems has launched SentinalCare , which uses a mobile phone to enable the person 's relatives to monitor their behaviour , receiving alerts if there is a disturbance , such as a fall .