Method for measuring level and level sensor
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United States of America Patent
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May 20, 2003
Grant Date -
N/A
app pub date -
Oct 15, 2001
filing date -
Apr 15, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for measuring level with a plurality of capacitive sensors arranged next to each other along a filling section. The method steps are: subjecting a sensor to a measuring signal and subjecting an adjacent sensor to a phase-displaced measuring signal. Then the resulting signals on the sensors are measured. Next the phase displacement between the resulting signals is determined. Then the level is established in accordance with the phase displacement.
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