Signal and power transmission through a wall
First Claim
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1. An inductive coupling for transferring a signal across a thin conductive wall, the coupling comprising:
- a sending unit having(a) a housing made of ferromagnetic material;
(b) a central core about which is wrapped a coil which receives the signal from a source; and
(c) a ring magnet secured to the sending unit housing and extending outwardly therefrom for permitting detachable mounting to the wall; and
further wherein the coupling includes a pick-up unit having(a) a housing made of ferromagnetic material and located entirely within the wall interior and in contact therewith, in alignment with the sending unit;
(b) a central core about which is wrapped a coil which receives the couple signal for distribution to a utilization device;
the wall having an opening with projections therearound, the opening filled with non-conductive material,wherein the coupling exists across the filled opening for decreasing coupling power dissipation.
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Abstract
An inductive coupling permits bi-directional data and power to be transferred through the skin of an aircraft thereby avoiding pin connectors. The coupling comprises a sending unit which is detachably mounted to the skin exterior, and the pick-up unit is located on the interior skin surface in alignment with the sending unit.
62 Citations
1 Claim
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1. An inductive coupling for transferring a signal across a thin conductive wall, the coupling comprising:
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a sending unit having (a) a housing made of ferromagnetic material; (b) a central core about which is wrapped a coil which receives the signal from a source; and (c) a ring magnet secured to the sending unit housing and extending outwardly therefrom for permitting detachable mounting to the wall; and
further wherein the coupling includes a pick-up unit having(a) a housing made of ferromagnetic material and located entirely within the wall interior and in contact therewith, in alignment with the sending unit; (b) a central core about which is wrapped a coil which receives the couple signal for distribution to a utilization device; the wall having an opening with projections therearound, the opening filled with non-conductive material, wherein the coupling exists across the filled opening for decreasing coupling power dissipation.
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Specification
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Current AssigneeGrumman Aerospace Corporation So Oyster Bay Road Bethpage New York 11714
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Original AssigneeGrumman Aerospace Corporation (Northrop Grumman Corporation)
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InventorsKolbert, Melvin
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Primary Examiner(s)Buczinski, Stephen C.
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Assistant Examiner(s)GREGORY, BERNARR E
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Application NumberUS07/224,605Time in Patent Office902 DaysField of Search439/34, 439/38, 439/39, 381/79, 340/870.28, 340/870.31-870.37, 340/825, 340/73US Class Current380/59CPC Class CodesH04B 5/266 One coil at each side, e.g....
