Patent ID: 9196144
Filing Date: 2015-11-24
Classification: G08B

Abstract:
1. A social alarm system, comprising: a social alarm server apparatus; a social alarm client unit which is configured to connect with the social alarm server apparatus over a communications network in response to an alarm event and to signal the social alarm server apparatus concerning the alarm event; and a fall detector unit, arranged to be carried by a user, comprising an accelerometer arranged to measure acceleration forces to provide an acceleration signal; a controller which, upon the acceleration signal exceeding a shock threshold representing a potential fall event, is arranged to classify the potential fall event as being one of a fall event and a non-fall event, based at least on examining the acceleration signal; a counter unit which is arranged to maintain a count of the non-fall events; and an alarm signal unit which is arranged to generate an inactivity alarm signal when the count of non-fall events is below a count threshold within a monitored time period.