Electricity: measuring and testing – Magnetic – With means to create magnetic field to test material
Patent
1996-06-19
1998-06-09
Snow, Walter E.
Electricity: measuring and testing
Magnetic
With means to create magnetic field to test material
32420721, 32420712, 209562, 235449, G01P 342, G07F 704
Patent
active
057640548
ABSTRACT:
Apparatus for detecting a magnetic pattern having a plurality of spaced magnetic areas includes an array of magnetic sensors which are configured and spaced from each other to detect the spaced magnetic areas of a magnetic pattern brought into contiguity with the array. Electrical circuitry connects the array of magnetic sensors in series and a single source is provided for supplying current to the array of magnetic sensors through the electrical circuitry.
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Eastman Kodak Company
Noval William F.
Snow Walter E.
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