Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Patent
1992-12-22
1996-04-30
Wieder, Kenneth A.
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
324 66, G01R 2726
Patent
active
055128351
ABSTRACT:
An apparatus (30) locates and measures any seam or other discontinuity (18) within a metal enclosure (10) by determining the characteristic inductance of the discontinuity. A pair of probes or electrodes (40, 42) are connected via a balun (46) to a network analyzer (56). When the probes are placed on either side of the discontinuity, the network analyzer can measure the length of the discontinuity by equating the discontinuity to an inductor.
REFERENCES:
patent: 5041786 (1991-08-01), Takaishi et al.
patent: 5146163 (1992-09-01), Nawa
McElhaney Vincent Q.
Rivera Alexander F.
Alkov Leonard A.
Denson-Low W. K.
Do Diep
Hughes Aircraft Company
Wieder Kenneth A.
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