Patent ID: 8344893

Claim:
An apparatus for monitoring the hand washing of an individual in a rest room comprising: a) means for detecting and differentiating user entry and exit within a restroom; wherein said entry and exit detection means comprises a sensor in the doorknob of the door which is activated by the movement thereof; said entry and exit detection means comprises: a) a first doorknob sensor disposed within the exterior doorknob wherein said activation indicates user entry; and b) a second doorknob sensor disposed within the interior doorknob wherein said activation indicates a user exit; b) means for identifying said user; wherein detection of a user entering and exiting said restroom activates a camera disposed therein to identify said user at the point of entry and are delivered to a memory for storage; c) means for detecting the flushing of a bathroom fixture selected from a group including commodes, urinals and bidets; wherein said flush detection means is a commode water sensor that detects the flow of water once flushed wherethen said commode water sensor communicates with said microprocessor and informs it when flushing has occurred and that the user's hands need to be washed; d) means for detecting the duration of water flow from a sink within a predetermined time span after said bathroom fixture is flushed; wherein the predetermined required flow duration at said sink is at least sixteen seconds; e) means for informing said user as to the efficiency of the hand washing as defined by said predetermined time span; wherein a visual and audible indicator is a visual display and audio speaker that provides an appropriate message according the actions of the user as monitored by said microprocessor; wherein the user is thanked upon exit by said audible and visual indicators if hand washing occurred for an adequate time span after flushing and f) a microprocessor for monitoring and initiating the functions of the various components.