Ultrasonic flow meter with zero impedance measuring electronics
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United States of America Patent
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Jul 14, 2015
Grant Date -
Aug 15, 2013
app pub date -
Oct 14, 2011
filing date -
Oct 27, 2010
priority date (Note) -
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Abstract
The present invention discloses an ultrasonic flow meter comprising a generator circuit and a receiver circuit electrically separated from the generator circuit. The flow meter further comprises transducer switching means for controlled connection of ultrasonic transducers to either the generator circuit or to the receiver circuit. The output impedance of the generator circuit and the input impedance of the receiver circuit are controlled to be substantially zero.
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