Orthogonal-field electrically variable magnetic device
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United States of America Patent
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Jul 9, 1996
Grant Date -
N/A
app pub date -
Jul 28, 1994
filing date -
Jul 28, 1994
priority date (Note) -
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Abstract
An electro-magnetic device for use in applications requiring low-profile components. The device includes a magnetic substrate with a scheme of through-holes in association with a first and second winding, plated or wired, integral to the substrate and wound orthogonal to each other. The first winding comprises the AC inductor/transformer permeability. The second winding in association with an applied DC bias current causes the permeability to vary over a wide controlled operating range.
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