Air bubble detector
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United States of America Patent
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Jun 3, 2014
Grant Date -
Dec 13, 2012
app pub date -
Aug 24, 2012
filing date -
Feb 6, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Air bubbles may be characterized by an air bubble detector by choosing an optimum set of frequencies and then comparing a return signal from a sensor receiving those frequencies against an internal reference. The number of pulses that exceed the internal reference represents a width and may be counted. The width, as counted, may be correlated to bubble characteristics including volume.
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