Patent ID: 6125482
Filing Date: 2000-10-03
Classification: A47K,E03C,G08B

Abstract:
A hand washing and rinsing unit for a wash basin comprising:a water dispenser;a liquid soap dispenser;a proximity sensor for detecting a user's hand or hands in a position to receive soap and/or water from the water and soap dispensers and outputting a hands present signal indicative thereof; anda controller configured so as to cause the unit to operate in a waiting mode and in an active mode,wherein, when the unit is in said waiting mode, the controller is continuously in a state in which it is responsive to the occurrence of a hands present signal to cause:(a) the water dispenser to dispense a quantity of water onto a user's hand or hands for wetting thereof, and(b) enter the unit into said active mode, and,when the unit is in said active mode, the controller:(a) establishes a last soap test window after said dispensing of a quantity of water, and(b) is responsive to the occurrence of a hands present signal in said last soap test window, to cause the soap dispenser to dispense soap onto the user's hand or hands and record a valid handwash event.