Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Distributive type parameters
Patent
1997-05-30
1999-07-13
Regan, Maura
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Distributive type parameters
324642, G01R 2732
Patent
active
059231742
ABSTRACT:
A device for measuring electromagnetic radiation absorption of a test surface includes an electromagnetic transceiver, an x-y axis positioning mechanism, and a z axis positioning mechanism. The x-y axis positioning mechanism facilitates mapping of electromagnetic radiation absorption at different locations upon the test surface and the z axis positioning mechanism enhances the accuracy of electromagnetic radiation measurements by facilitating phase matching of electromagnetic radiation transmitted by the electromagnetic transceiver with electromagnetic radiation received thereby.
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patent: 5574379 (1996-11-01), Darling, Jr.
Anderson Terry J.
Hoch Jr. Karl J.
Northrop Grumman Corporation
Regan Maura
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