Low profile transducer for flow meters
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 26, 2003
Grant Date -
N/A
app pub date -
May 9, 2000
filing date -
May 9, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A low profile transducer (11, 12) is provided for use in flow meter for pipes of small diameter. The transducer (11, 12) has a transducer (18) or other form of transducer which transmits and receives electrical signals of three volts and 1 MHz and converts between these electrical signals and acoustic waves. In one embodiment, the transducer (18) produces surface acoustic waves (SAW), while in another embodiment the transducer (32) produces plate waves known as Lamb waves. These waves are converted to bulk acoustic waves (BAW) transmitted between the pair of transducers (11, 12).
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