Ultrasonic type flowmeter apparatus and method of using the same
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United States of America Patent
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Mar 7, 2017
Grant Date -
May 16, 2013
app pub date -
Nov 13, 2012
filing date -
Nov 16, 2011
priority date (Note) -
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Abstract
A disposable conduit 1 includes piezo-electric elements 2a and 2b and a memory chip 10 in which calibration data specific to the relevant conduit is stored. Before measurement, a non-disposable electrical measuring circuit reads the calibration data out of the memory chip 10 to prepare a calibrating equation or a calibration table. A flow speed of a blood passing through the conduit or a flow rate calculated from the flow speed is corrected in accordance with the calibrating equation or calibration table.
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