Inductor devices inventions 04/07

20070090909 - Inductive devices and transformers utilizing the tru-scale reactance transformation system for improved power systems: In inductive devices and transformers, a periodic transformation system reduces or prevents heat or distortion, reduces resistance or impedance and improves output energy. In one embodiment, the Tru-Scale Reactance Transformation System provides an harmonic relationship among the core, winding, magnetic flux, and the current in order to maximize energy output... Agent: Kenyon & Kenyon LLP

20070090914 - Desing and fabifcation of inductors on a semiconductor substrate: The present invention is directed to an inductor fabricated above a substrate surface comprising a first set of inductors in a lower dielectric layer, a second set of inductors in an upper dielectric layer, and interconnects extending between the first and second sets of conductors to form a single continuous... Agent: Morgan, Lewis & Bockius LLP

20070090912 - Embedded inductor and application thereof: An embedded inductor suitable for a wiring board is provided. The wiring board having a plurality of patterned conductive layers and a plurality of insulating layers, and one of the insulating layers is disposed between any two adjacent of the patterned conductive layers. The embedded inductor at least includes a... Agent: J.c. Patents, Inc. Suite 250

20070090911 - Embedded inductor element and chip package applying the same: An embedded inductor suitable for a wiring board is provided. The wiring board comprises a plurality of patterned conductive layers, at least an insulating layer, and a plurality of conductive vias. The insulating layer is disposed between the neighboring patterned conductive layers. Two of the patterned conductive layers are electrically... Agent: J.c. Patents, Inc. Suite 250

20070090913 - Multi-loop type transformer: A multi-loop transformer includes a first loop built with at least one metal plate forming a magnetic field with electric power supplied; a second loop, disposed in a concentric manner with the first loop, which generates induction current; at least one first sub-loop disposed in the concentric manner with the... Agent: Sughrue Mion, PLLC

20070090910 - Wire-stacked transformer: A wire-stacked transformer has a first loop supplied with electric power and built with one or more metal plates forming a magnetic field, a second loop disposed in a concentric circle with the first loop and generating induction current, and loop wires disposed between the respective metal plates of the... Agent: Sughrue Mion, PLLC

20070090915 - Multiphase voltage regulator having coupled inductors with reduced winding resistance: A multiple phase buck converter or boost converter, or buck-boost converter has an inductor in each phase. A magnetic core with a unique woven topology provides inverse coupling between the inductors. The inductors can comprise straight conductors since the magnetic core has the woven topology wrapped around each inductor. The... Agent: Whitham, Curtis & Christofferson & Cook, P.C.

20070090916 - Quad-gapped toroidal inductor: A high power, high frequency toroidal inductor is broken into four quadrant cores and uses bare rectangular conductors to form coils. One coil is wound centrally around each quadrant. The coils positioned centrally on the quadrants minimize the effect of damaging fringe flux and leakage flux. The coil inner winding... Agent: Clyde I. Coughenour

20070085646 - Housing mounted z-axis antenna coil: A fob for a remote keyless entry system includes a printed circuit board (PCB) located within a housing. The PCB includes a surface on which circuitry is printed and components are mounted. A coil is mounted to the surface and provides an antenna for the fob. The coil includes a... Agent: Vernon F. Eldridge

20070085647 - Inductor: An inductor that can be mounted on a flexible substrate and which also can be used in large-current signal lines or power lines. The inductor has a film-type coil formed by providing, in order, a heat-resistant resin film, a flexible conductor coil and insulation layer for covering the conductor coil.... Agent: Reed Smith, LLP Attn: Patent Records Department

20070085648 - High efficiency inductor, method for manufacturing the inductor, and packaging structure using the inductor: An inductor is provided which includes a plurality of via holes vertically passing through a substrate, the substrate having insulating properties, vertical conductive portions filling the via holes, and horizontal conductive portions connecting each individual vertical conductive portions at the top and the bottom of the substrate to form a... Agent: Sughrue Mion, PLLC

20070085649 - Spiral inductor having variable inductance: Disclosed is a spiral inductor formed on a semiconductor substrate. The spiral inductor comprises: a metal line forming a spiral pattern on a substrate using conductors having different widths and having open or short-type stubs at one side of each of the conductors; and switching means connection-controlled in accordance with... Agent: Charles N.j. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20070085650 - Qq-type spirakore: A QQ-type spirakore is made by winding a silicon steel strip or a non-crystal magnetic strip into an inner ring egg-shape spirakore embryo, and then cutting a middle section of the egg-shape spirakore embryo into two symmetric assembling bocks, so as to fix the two assembling blocks into a coil... Agent: Chiu-nan Chen

20070080769 - High current, multiple air gap, conduction cooled, stacked lamination inductor: A power inductor assembly includes and multiple coil sections disposed upon a mounting frame. Multiple winding sections each encircle one of the multiple core sections and a portion of the mounting frame. Air gap spacers separate adjacent core sections. The arrangement facilitates removal of thermal energy from the magnetic core.... Agent: Carlson, Gaskey & Olds, P.C.

20070080770 - Rotary transformer for transmission of electrical energy or information: A device for efficient transmission of electrical energy and/or information is built in the manner of a rotary transformer. The cores of this device are made of ferromagnetic rings of a U-shaped cross section of soft iron, or of soft iron core stacks of annular or hollow cylindrical shape, the... Agent: Robert A Rye

20070080771 - Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components: An energy transfer element having windings. In one aspect, the energy transfer element includes a first winding wound around a core, the first winding has a first end and a second end. A second winding is wound around the core. The second winding has a first end and a second... Agent: Blakely Sokoloff Taylor & Zafman

20070075811 - Method of controlling effective impedance in a superconducting cable: A method of controlling the effective impedance of a low-impedance high-temperature superconducting cable (“HTS cable”). Passive or active control circuitry is used to create a current in the shielding conductor of the HTS cable which opposes the current in the primary conductor. In the case of a three-phase conductor, magnetic... Agent: Pennington, Moore, Wilkinson, Bell & Dunbar, P.A.

20070075812 - Transformer: The transformer has a pair of cores, a winding assembly, a primary coil and a secondary coil. Each core has a center and an elliptical central core formed at the center. The winding assembly has a body and two mounting brackets. The body is a hollow elliptical column with two... Agent: Posz Law Group, PLC

20070075813 - Self-shielding inductor: An oscillator circuit formed at least partially on an integrated circuit substrate includes a self-shielding inductor. The self-shielding inductor has a toroidal structure. A coil forms a structure that is symmetric around an axis orthogonal to a surface of the integrated circuit substrate. A magnetic filed generated by the self-shielding... Agent: Zagorin O'brien Graham LLP

20070075814 - Ignition coil for an internal combustion engine: An ignition coil for an internal combustion engine has a secondary coil shell and a primary coil shell, which are positioned concentrically about a core and produced from plastic by injection molding methods. To avoid damage to the wire, at least the secondary coil shell is configured in such a... Agent: Kenyon & Kenyon LLP

20070075819 - Common mode choke coil and method of manufacturing the same: The invention relates to a common mode choke coil and a method of manufacturing the same and provides a compact, low-profile, and low-cost common mode choke coil and a method of manufacturing the same. A common mode choke coil has a general outline in the form of a rectangular parallelepiped... Agent: Oliff & Berridge, PLC

20070075818 - Inductive coupler: The present invention relates to a signal coupling/decoupling arrangement for coupling/decoupling a signal onto/from an AC power line. The arrangement comprises: a carrier structure having a first and a second surface, a first conductive layer for a power line having a first winding arranged on said carrier structure; a second... Agent: Gauthier & Connors LLP Suite 2300

20070075817 - Magnetic device having a conductive clip: A magnetic device that includes a magnetic core having a surface facing a conductive substrate. The magnetic device also includes a conductive clip facing a surface of the magnetic core with ends of the conductive clip electrically coupled to the conductive substrate to cooperatively form a winding therewith about the... Agent: Slater & Matsil, L.L.P.

20070075815 - Method of forming a magnetic device having a conductive clip: A method of forming a magnetic device by providing a conductive substrate and placing a magnetic core proximate the conductive substrate with a surface thereof facing the conductive substrate. The method also includes placing a conductive clip proximate a surface of the magnetic core and electrically coupling ends of the... Agent: Slater & Matsil, L.L.P.

20070075816 - Power module with a magnetic device having a conductive clip: A power module located on a conductive substrate including power conversion circuitry. The power conversion circuitry includes a magnetic device and at least one switch. The magnetic device includes a magnetic core having a surface facing the conductive substrate and a conductive clip facing a surface of the magnetic core... Agent: Slater & Matsil, L.L.P.

20070075820 - Core structure and manufacturing method of inductor: An inductor with a core structure is capable of providing a continuous magnetic path. The inductor includes at least one bobbin and a core structure, coupled to the bobbin, wherein the core structure is formed by rolling at least one longitudinal element. Also, a method for manufacturing the core structure... Agent: Birch Stewart Kolasch & Birch

20070075821 - Transformer of light tube driving device and method for adjusting light tube using thereof: A transformer including an insulting housing, a first bobbin, a primary coil, a second bobbin, a secondary coil, a first core and a second core is provided. The insulting housing has a first chamber and a second chamber separated from the first chamber, wherein two apertures of the first chamber... Agent: Rabin & Berdo, PC