Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Patent
1996-03-13
1997-11-04
Nguyen, Vinh P.
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
324537, 324557, 73 1D, 73 1DV, G01R 3500
Patent
active
056844069
ABSTRACT:
A fault detecting circuit for use with an electromagnetic acoustic transducer having an electrostatic shield and a wear surface for determining when the wear surface for contacting test surfaces has developed holes.
REFERENCES:
patent: 1811765 (1931-06-01), Snelling
patent: 4806849 (1989-02-01), Kihira
Camplin Kenneth R.
Cox Bradley E.
Geier Daniel
MacLauchlan Daniel T.
Bennett, Jr. Robert P.
Edwards Robert J.
Nguyen Vinh P.
Solis Jose M.
The Babcock & Wilcox Company
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