Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Patent
1994-03-14
1996-07-16
Wieder, Kenneth A.
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
324671, 324687, 324688, 324701, G01R 2726
Patent
active
055370489
ABSTRACT:
An apparatus and method for processing materials by sensing roller, in which the sensing roller has a plurality of conductive rings (electrodes) separated by rings of dielectric material. Sensing capacitances or impedances between the electrodes provides information on thicknesses of the materials being processed, location of wires therein, and other like characteristics of the materials.
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Advertisement, strip-edge scanner, marketed by ABB Automation AB, Vasteras, Sweden 1993 (month unavailable).
Advertisement, rotary electrical contact assemblies by Rotocon, Meridian Laboratory, Middleton, Wisconsin (date unavailable).
Kranbuehl, D. E., "In-situ On-line Measurement of Composite Cure with Frequency Dependent Electromagnetic Sensors," Plastics, Rubber and Composites Processing and Applications, vol. 16, No. 4, pp. 213-219, (1991) (month unavailable).
Brown Glenn W.
Duggan Donovan F.
Myers Jeffrey D.
Sandia Corporation
Wieder Kenneth A.
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