Contact type liquid level sensing system
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United States of America Patent
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Oct 13, 1992
Issued Date -
N/A
app pub date -
Jul 14, 1986
filing date -
Jul 29, 1983
priority date (Note) -
Expired
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Abstract
A liquid level sensing device having a transducer in which successive bursts of pulses of ultrasonic energy are transmitted across a gap. When liquid is present in the gap the bursts of pulses are received and signal processed to indicate the presence of liquid in the gap.
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