Electricity: measuring and testing – Magnetic – With means to create magnetic field to test material
Patent
1995-05-15
1997-12-16
Karlsen, Ernest F.
Electricity: measuring and testing
Magnetic
With means to create magnetic field to test material
324240, 324243, 324642, G01R 3312
Patent
active
056989784
ABSTRACT:
A portable measuring device for measuring electromagnetic radiation reflection. The device has a holder, a transceiver, and a display. The transceiver is movably mounted to the holder. The holder can be moved to several locations on a member being tested. The transceiver is moved up and down on the holder through the peaks and valleys of the reflected electromagnetic wave, in and out of phase, passing through and detecting the maximum reflected energy point. A system can be provided that uses the measurement at a predetermined frequency in comparing the measured property to a characteristic curve of the property for the material of the member being tested. The system can be used to plot a three-dimensional graph of surface reflection of the electromagnetic energy.
REFERENCES:
patent: 4528506 (1985-07-01), Davis
patent: 4755753 (1988-07-01), Chern
patent: 5028100 (1991-07-01), Valleau
patent: 5053705 (1991-10-01), Herko
patent: 5086274 (1992-02-01), Gobin
patent: 5363040 (1994-11-01), Horn
Darling Phillip H.
Khac Thai Le
Le Hoai X.
Anderson Terry J.
Hoch Jr. Karl J.
Karlsen Ernest F.
Northrop Grumman Corporation
Solis Jose M.
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