Device and method for dosing a substance
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United States of America Patent
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Mar 6, 2012
Grant Date -
Aug 18, 2005
app pub date -
Dec 10, 2004
filing date -
Jun 10, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for dosing a substance, including at least one rotating element and at least one coding element associated with the rotating element, using which the rotational position of the rotating element can be identified, further including at least one reference element whereby a reference signal is generated at pre-set positions or changes in position, and a method for identifying the rotational position of a rotating element which serves to set a dose, wherein the rotational position of the rotating element is identified by a coding which is only read or evaluated when a reference signal is generated at pre-set rotational positions or positional transitions.
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