System for encouraging good personal hygiene in toilet facilities
First Claim
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1. A system encouraging users to cleanse their hands after use of a tankless toilet having a flush valve controlling the flow of water through a conduit into the toilet bowl, comprising:
- a sensor detecting the temperature of the conduit wall;
means for interrogating said sensor at selected intervals;
means for comparing the conduit wall temperature at the beginning of an interval with that at a succeeding interval;
means detecting the rate of change of the conduit wall temperature; and
means triggering a recorded announcement urging the toilet user to wash his or her hands upon detection of a preselected rate of change of the conduit wall termperature.
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Abstract
A system encouraging users to cleanse their hands after use of a tankless toilet having a flush valve controlling the flow of water into a toilet bowl through a conduit, in which an abrupt temperature change in the conduit is used to trigger a recorded message urging the user to wash his or her hands.
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Citations
6 Claims
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1. A system encouraging users to cleanse their hands after use of a tankless toilet having a flush valve controlling the flow of water through a conduit into the toilet bowl, comprising:
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a sensor detecting the temperature of the conduit wall;
means for interrogating said sensor at selected intervals;
means for comparing the conduit wall temperature at the beginning of an interval with that at a succeeding interval;
means detecting the rate of change of the conduit wall temperature; and
means triggering a recorded announcement urging the toilet user to wash his or her hands upon detection of a preselected rate of change of the conduit wall termperature. - View Dependent Claims (2, 3, 4)
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5. A method of encouraging toilet users to wash their hands after flushing a tankless toilet comprising:
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sensing the temperature of the wall of the conduit downstream of the flushing means at preselected intervals;
detecting the rate of change of said temperature between said intervals; and
triggering a recorded announcement when the detected rate of change is greater than a preselected value. - View Dependent Claims (6)
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Specification