G08B21/00
Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
G08B21/00
Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
G08B21/04
responsive to non-activity, e.g. of elderly persons
G08B21/04
responsive to non-activity, e.g. of elderly persons
G08B21/0446
worn on the body to detect changes of posture, e.g. a fall, inclination, acceleration, gait
G08B21/0446
worn on the body to detect changes of posture, e.g. a fall, inclination, acceleration, gait