Hand-washing compliance system

摘要

A hand-washing compliance system can include: a sensor mounted to a chassis, the sensor configured to detect sensor readings; a processor coupled to the chassis and connected to the sensor with a communication conduit, the processor configured to: calculate movement estimations based on differences between the sensor readings at discrete times; count a number of crosses based on how often the movement estimations: are calculated above an upper threshold and are calculated below a lower threshold in consecutive movement calculations, are calculated below the lower threshold and are calculated above the upper threshold in the consecutive movement calculations, or a combination thereof, decrement a countdown timer based on the number of crosses being above a cross-threshold, and pause the countdown timer based on the number of crosses being below the cross-threshold; and a housing mounted to the chassis enclosing the processor and at least partially enclosing the sensor.

主权项

1. A hand-washing compliance system comprising:
a sensor mounted to a chassis, the sensor configured to detect sensor readings; a processor coupled to the chassis and connected to the sensor with a communication conduit, the processor configured to:
calculate movement estimations, the movement estimations being calculated from differences between the sensor readings at discrete times,count a number of threshold crosses, the threshold crosses being transitions of the movement calculations across both an upper threshold and a lower threshold in consecutive movement calculations,decrement a countdown timer when the number of threshold crosses is above a cross-threshold, andpause the countdown timer when the number of threshold crosses is below the cross-threshold; and a housing mounted to the chassis enclosing the processor and at least partially enclosing the sensor.