Delivery device and method for its operation
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United States of America Patent
Stats
-
Feb 22, 2005
Grant Date -
Mar 14, 2002
app pub date -
Apr 23, 2001
filing date -
Jul 1, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Provided is a method for operating a preparation delivery device wherein the device comprises a) a container for the preparation having, or being prepared for the arrangement of, an opening, b) a mechanism operable to deliver at least part of the preparation in the container through the opening, c) attachment means for connection of the container to the mechanism and d) a sensor system arranged to detect at least one predetermined property of the container or its content. The method comprises transmitting radiation towards the container position or a part thereof to allow the radiation to be affected by the container position, receiving at least a part of the affected radiation from at least an area part of the container position in a non-imaging way and comparing the characteristics of the received radiation with a predetermined characteristic representative for the predetermined property to establish whether or not the predetermined property of the container is present.
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