Method and apparatus for enhancing hygiene

• US 5,202,666 A
• Filed: 01/18/1991
• Issued: 04/13/1993
• Est. Priority Date: 01/18/1991
• Status: Expired due to Fees

• Current Assignee: Food Safety Solution Corporation
• Original Assignee: Net Tech International, Inc.
• Inventors: Knippscheer, Hermann
• Primary Examiner(s): Ng, Jin F.
• Assistant Examiner(s): MULLEN, THOMAS J
• Application Number:
  US07/643,545
• Time in Patent Office: 816 Days
• Field of Search: 340/573, 340/556, 340/567, 340/572, 340/603, 340/505, 340/541, 340/540, 340/384 E, 340/407, 4/623, 455/100, 455/88-90, 367/93
• US Class Current: 340/573.1
• CPC Class Codes: G08B 21/245 Reminder of hygiene compliance policies, e.g. of washing hands
• CPC Class Codes: G08B 7/06 using electric transmission , e.g. involving audible and visible signalling through the use of sound and light sources

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.

Claims

1. An apparatus for enhancing hygiene, comprising:

first monitoring means for automatically and simultaneously monitoring each of a plurality of preselected individuals upon entry of same into a washroom, to automatically determine whether each of said individuals has executed a predetermined action for cleaning his hands;

second monitoring means for automatically detecting that any one of said individuals has exited said washroom; and

alert indicator means operatively connected to said first monitoring means and said second monitoring means for automatically generating an alert signal cognizable by a human being, upon detecting that said one of said individuals has exited said washroom and has not executed said predetermined action while in said washroom.

2. The apparatus recited in claim 1 wherein said first monitoring means and said second monitoring means include means for identifying said individual and distinguishing said individual from other persons who enter said washroom.

3. The apparatus recited in claim 2 wherein said means for identifying includes means carried on the person of said individual for emitting a wireless signal identifying said individual, said means for identifying further including detector means for detecting said wireless signal.

4. An apparatus for enhancing hygiene, comprising:

sensor means 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 said individual has exited said washroom;

monitoring means for automatically monitoring said individual upon entry of same into said washroom, to automatically determine whether said individual has executed a predetermined action for cleaning his hands, said monitoring means including means for generating a third signal upon detecting that said individual has executed said predetermined action;

alert means for generating an alert signal cognizable by a human being;

control means operatively connected to said sensor means, said monitoring means, and said alert means for activating said alert means to issue said alert signal upon reception of said first signal and said second signal by said control means and failure of said control means to receive said third signal prior to receiving said second signal; and

transmitter means carried on the person of said individual for emitting a wireless signal identifying said individual, said sensor means including detector means for detecting said wireless signal.

5. The apparatus recited in claim 4, further comprising receiver means carried on the person of said individual and operatively connected to said transmitter means for activating said transmitter means upon receiving a wireless activation signal.

6. The apparatus recited in claim 5 wherein said sensor means further includes generator means for emitting said activation signal, said sensor means also including additional detector means for detecting any person entering said washroom, said additional detector means being operatively coupled to said generator means for enabling same to emit said activation signal upon a detection of a person by said additional detector means.

7. The apparatus recited in claim 6 wherein said additional detector means includes an infrared radiation detector.

8. The apparatus recited in claim 6 wherein said additional detector means includes an ultrasonic pressure wave detector.

9. The apparatus recited in claim 4 wherein said transmitter means is disposed on a name tag.

10. The apparatus recited in claim 4 wherein said monitoring means includes means for detecting deposition of a cleaning agent on hands of said individual.

11. The apparatus recited in claim 4 wherein said alert means includes means for generating an audible alert signal.

12. The apparatus recited in claim 4 wherein said alert means includes means for generating a visual alert signal.

13. The apparatus recited in claim 12 wherein said means for generating a visual alert signal includes a light emitting element and means for temporarily attaching said element to the person of said individual.

14. A method for enhancing hygiene comprising the steps of:

automatically identifying each of a plurality of preselected individuals upon entry of same into a washroom;

monitoring each of said individuals upon entry of same into said washroom, to determine whether each of said individuals has executed a predetermined action for cleaning his hands;

detecting that any one of said individuals has exited said washroom; and

generating an alert signal cognizable by a human being, upon detecting that said one of said individuals has exited said washroom and has not executed said predetermined action while in said washroom.

15. The method recited in claim 14, further comprising the steps of:

sensing that said one of said individuals has entered said washroom;

generating a first signal upon detecting that said one of said individuals has entered said washroom;

generating a second signal upon detecting that said one of said individuals has executed said predetermined action; and

generating a third signal upon detecting that said one of said individuals has exited said washroom, said alert signal being generated upon generation of said first signal and said third signal in an absence of generation of said second signal.

16. The method recited in claim 15 wherein said step of identifying includes the step of operating a transmitter, carried on the person of said individual, to emit a wireless signal identifying said individual, said step of sensing including the step of detecting said wireless signal.

17. The method recited in claim 14, further comprising the steps of emitting a wireless activation signal and activating said transmitter in response to said wireless activation signal.

18. The method recited in claim 17 wherein said step of sensing further includes the step of detecting any person entering said washroom, said activation signal being emitted upon detecting that a person has entered said washroom.

19. The method recited in claim 14 wherein said alert signal is an audible alert signal.

20. The method recited in claim 14 wherein said alert signal is a visual alert signal.

21. An apparatus for enhancing hygiene, comprising:

identification means for identifying each of a plurality of preselected individuals and distinguishing said individuals from one another;

first monitoring means operatively connected to said identification means for automatically monitoring any one of said individuals upon entry of said one of said individuals into a washroom, to automatically determine whether said one of said individuals has executed a predetermined action for cleaning his hands;

second monitoring means operatively connected to said identification means for automatically detecting that said one of said individuals has exited said washroom; and

alert indicator means operatively connected to said first monitoring means and said second monitoring means for automatically generating an alert signal cognizable by a human being, upon detecting that said one of said individuals has exited said washroom and has not executed said predetermined action while in said washroom.

22. The apparatus recited in claim 21 wherein said identification means includes means carried on the persons of each of said individuals for emitting a wireless signal identifying respective ones of said individuals, said identification means further including detector means for detecting said wireless signal.

23. An apparatus for enhancing hygiene, comprising:

first monitoring means for automatically and simultaneously monitoring each of a plurality of individuals upon entry of same into a washroom, to automatically determine whether each of said individuals has executed a predetermined action for cleaning his hands;

second monitoring means for automatically detecting whether any one of said individuals has exited said washroom; and

alert indicator means operatively connected to said first monitoring means and said second monitoring means for automatically generating an alert signal cognizable by a human being;

upon detecting that said one of said individuals has exited said washroom and has not executed said predetermined action while in said washroom.

24. A method for enhancing hygiene, comprising the steps of:

automatically and simultaneously monitoring each of a plurality of individuals upon entry of same into a washroom, to determine whether each of said individuals has executed a predetermined action for cleaning his hands;

detecting whether any one of said individuals has exited said washroom; and

generating an alert signal cognizable by a human being, upon detecting that said one of said individuals has exited said washroom and has not executed said predetermined action while in said washroom.

25. The method recited in claim 24, further comprising the steps of:

sensing that said one of said individuals has entered said washroom;

generating a first signal upon detecting that said one of said individuals has entered said washroom;

generating a second signal upon detecting that said one of said individuals has executed said predetermined action; and

generating a third signal upon detecting that said one of said individuals has exited said washroom, said alert signal being generated upon generation of said first signal and said third signal in an absence of generation of said second signal.

26. The method recited in claim 25, further comprising the step of operating a plurality of transmitters carried on the persons of said individuals, to emit wireless signals identifying said individuals, said step of sensing including the step of detecting one of said wireless signals.