Immersed fuel level sensor
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United States of America Patent
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Jun 2, 2009
Grant Date -
Aug 30, 2007
app pub date -
Feb 28, 2006
filing date -
Feb 28, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A level sensor includes a first transducer generating a first signal, a second transducer generating a second signal, and a processor configured to switch operation between a first mode and a second mode. In the first mode, the first transducer generates the first signal and the second transducer senses a reflection of the first signal from a surface. In the second mode, the second transducer generates the second signal and the first transducer senses a reflection of the second signal from a reference target. The processor determines a distance to the surface.
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