Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate
2005-11-29
2005-11-29
Deb, Anjan (Department: 2858)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
C324S713000
Reexamination Certificate
active
06970003
ABSTRACT:
A field device includes circuitry to successively measure a parameter related to current drawn by electronics of the field device. The measurements are provided to a prediction engine which calculates a diagnostic output based upon the plurality of current-related measurements. The diagnostic prediction provided by the prediction engine can provide an estimate of viable life remaining for the device electronics. The diagnostic feature provides on-line status of the overall status of the field transmitter.
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Eryurek Evren
Kavaklioglu Kadir
Rome Gregory H.
Deb Anjan
Dole Timothy J.
Rosemount Inc.
Westman Champlin & Kelly P.A.
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