Method and apparatus for calibrating remaining doses in a refillable dispenser
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United States of America Patent
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Aug 4, 2020
Grant Date -
Nov 23, 2017
app pub date -
May 15, 2017
filing date -
May 17, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An exemplary dispenser includes a housing and a refill unit. The refill unit being removable and replaceable. The dispenser also includes a processor, memory, a dose count stored in memory that is indicative of the number of doses in a full refill unit, a level sensor for detecting a predetermined level the refill unit and a dispense count indicative of the number doses of product dispensed from the refill unit. In addition, the dispenser includes memory and has logic stored in the memory for recalibrating the number of doses remaining in the refill unit as a function of the dose count, the number of doses of product dispensed and the predetermined level of product. The number of doses of product remaining in the refill unit may be displayed on the dispenser, on a remote station, or on both the dispenser and a remote station.
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