Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate
2008-05-27
2008-05-27
Hirshfeld, Andrew H. (Department: 2858)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
C324S661000, C324S664000, C073S30400R, C073S30400R, C073S29000R
Reexamination Certificate
active
07378857
ABSTRACT:
A method for detecting the level of a liquid in a container. The method includes applying a predetermined voltage to a level measuring electrode, disposed within the container, for a predetermined first period of time; then, discontinuing the application of the voltage and waiting a predetermined second period of time; and then measuring an electrode voltage at the level measuring electrode.
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Franke Michael
Wohlrabe Frank
Braun GmbH
Fish & Richardson P.C.
Hirshfeld Andrew H.
Zhu John
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