Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1991-01-18
1993-04-13
Ng, Jin F.
Communications: electrical
Condition responsive indicating system
Specific condition
340541, 340567, 455 88, 367 93, G08B 2300, G08B 1318, H04B 140
Patent
active
052026663
ABSTRACT:
An apparatus for enhancing hygiene comprises a sensor for generating a first signal upon automatically sensing that an individual has entered a washroom and for generating a second signal upon automatically sensing that the individual has exited the washroom. The hygiene enhancing apparatus further comprises a monitoring device for automatically monitoring an individual upon his entry into the washroom, to automatically determine whether the individual has cleaned his hands. The monitoring device includes a generator for producing a third signal upon a detection by the monitoring device that the individual has cleaned his hands. An alert signal generator is provided for generating an alert signal cognizable by a human being. The alert signal generator is operated or activated by a control unit which is operatively connected to the sensor, the monitoring device, and the alert signal generator. The control unit activates the alert signal generator to issue the alert signal upon reception of the first signal and the second signal by the control unit and failure of the control unit to receive the third signal prior to receiving the second signal.
REFERENCES:
patent: 3967478 (1976-07-01), Guinn
patent: 4767922 (1988-08-01), Stauffer
patent: 4896144 (1990-01-01), Bogstad
Coleman Henry D.
Mullen Jr. Thomas J.
Net/Tech International Inc.
Ng Jin F.
Sudol R. Neil
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