Patent ID: 7898407

Claim:
A method of monitoring hand hygiene compliance by a user in a facility, that utilizes a wearable zone detector to be worn by the user, the wearable zone detector including an on-board control unit, a data memory, at least one timer, a signal receiver and an alert unit, the method comprising configuring the on-board control unit to: a) enable the signal receiver to receive a zone identifier signal from a zone within the facility; b) decode a zone identifier from the zone identifier signal to identify the zone by number; c) decode a zone type identifier from the zone identifier signal to identify the zone by type; d) compare the decoded zone identifier with a stored zone identifier stored in the data memory; e) determine a change of zone in response to the decoded zone identifier differing from the stored zone identifier; f) responsive to determining a change of zone, adjust the at least one timer according to the decoded zone type identifier; g) store the decoded zone identifier as the stored zone identifier; h) responsive to determining a change of zone, start the at least one timer; i) select one of a number of distinct alerts according to the decoded zone type identifier; j) responsive to expiration of the at least one timer, activate the selected alert; and l) receive a dispensing event signal from a disinfectant dispenser.