Inductor devices inventions 03/07

20070069843 - Thermal management apparatus and uses thereof: In one aspect, a magnetic resonance imaging (MRI) device includes a non-magnetic, thermally conductive spreader substrate having a broken metal layer coupled to a thermally conductive, electrically non-conductive layer, wherein the broken metal layer is configured to exchange heat with at least one serpentine cooling tube.... Agent: General Electric Company (pcpi) C/o Fletcher Yoder

20070069844 - Chip inductor and method for manufacturing the same: A chip inductor 1 is constructed by alternately laminating plural conductor patterns 31, 32, 33, and 34 and plural insulating layers 35, 36, 37, and 38 on and above a ceramic substrate 2, and connecting these plural conductor patterns 31, 32, 33, and 34 to each other in series in... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070069845 - Ignition coil for a gasoline engine: Described is an ignition coil for a gasoline engine having a coil core in which a primary magnetic field is inducible via a current-carrying, essentially coil-shaped primary winding. The ignition coil has an essentially coil-shaped secondary winding, in which an energy field, which controls at least one spark plug, is... Agent: Kenyon & Kenyon LLP

20070063802 - Ignition wire having low resistance and high inductance: A high voltage ignition wire (10) has a ferrite core, a coiled wire (14) surrounding the core, and an insulating sheath surrounding the coiled wire. The coiled wire (14) is made from theoretically pure copper having a strand diameter of 0.081-0.099 inches. The coiled wire (14) is wound around the... Agent: Dickinson Wright PLLC

20070063804 - Chip inductor: A chip inductor includes: a winding; a ferrite-based drum core having flange parts on both ends of a winding shaft around which the winding is wound; electrodes fixed to the flange parts on both ends of the winding shaft and for electrically connecting both ends of the winding to a... Agent: Reed Smith, LLP Attn: Patent Records Department

20070063803 - Coil device: A coil apparatus that can increase mechanical strength of terminal portions and assure sufficient impact resistant properties and vibration resistant properties even in an application in a severe use environment such as an in-vehicle coil apparatus. Terminals are formed of one metal sheet, and include an attachment portion, an intermediate... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070063805 - Printed circuit board and device including same: A multi-layer printed circuit board. The multi-layer printed circuit board includes a first winding, and a first via connected to the first winding. The first winding includes a first edge. The first edge defines a first footprint. The first footprint surrounds and is proximate an opening defined by the printed... Agent: Kirkpatrick & Lockhart Preston Gates Ellis LLP

20070063806 - Voltage-controlled rectifier for motor vehicle: A voltage-controlled rectifier is disclosed to include a circuit board, which has a circuit electrically connected to the positive and negative terminals of the car battery of a car, a capacitor set formed of a plurality of capacitors connected in parallel to the circuit on the circuit board, and a... Agent: Birch Stewart Kolasch & Birch

20070063807 - Magnetic components: Disclosed is an apparatus and method for a magnetic component. The magnetic component includes a substrate having a feature and a first conductive pattern disposed on the feature. The magnetic component also includes a permeability material disposed within the feature. A substrate material is disposed on the substrate to facilitate... Agent: Berkeley Law & Technology Group

20070057755 - Solid electrolytic capacitor and manufacturing method thereof: The multi-layer transformer 10 of the present invention comprises a composite sheet 14a comprising a center magnetic pattern 11a and peripheral magnetic pattern 12a that are formed at the center and periphery respectively, and a dielectric pattern 13a of a nonmagnetic body that is formed in a part except the... Agent: Snell & Wilmer LLP

20070057758 - Inductor: In an inductor of the type including a winding and a drum-type core around which the winding is wound and being mounted on a substrate, terminal members having electrical conductivity are arranged on an outer peripheral portion of the drum-type core and ends of the winding are connected to positions... Agent: Reed Smith, LLP Attn: Patent Records Department

20070057756 - Structure of inductance core: An improved structure of inductance core mainly includes a core made of high magnetic permeability (μ) and a wire frame. The core further includes a center post at the center section and two side posts at the end sections that are all salient in the same direction to a side... Agent: Nikolai & Mersereau, P.A.

20070057757 - Transformers and winding units thereof: Transformers are provided. A transformer comprises a ferromagnetic core unit; a bobbin coupled with the ferromagnetic core unit; at least a winding unit as a primary winding and at least a plate as a secondary winding. Also, some of the winding units can act as a secondary winding. At least... Agent: Birch Stewart Kolasch & Birch

20070052510 - Inductance device and manufacturing method thereof: An inductance device has a hollow center coil around which a conducting wire is wound so that a hollow portion is formed along a center axis line of the hollow center coil, a filler which is filled into the hollow portion of the hollow center coil, and includes magnetic powder... Agent: Hoffmann & Baron, LLP

20070052511 - Cross-coupled inductor pair formed in an integrated circuit: Cross-coupled first and second helical inductors formed in an IC. The cross-coupled first and second helical inductors comprise a first helical conductor having a first portion and a second portion, and a second helical conductor having a first portion and a second portion. The second helical conductor is in close... Agent: Avago Technologies, Ltd.

20070052512 - Variable inductor: A variable inductor is provided, which includes a first lead having both ends to receive a pair of difference signals, a second lead having both ends to receive a pair of the difference signals, and a switch selectively supplying a pair of the difference signals to the second lead by... Agent: Sughrue Mion, Pllc

20070052513 - Structure of transformer: A transformer includes a first winding member, a second winding member, a primary winding coil, a secondary winding coil and a magnetic core assembly. The first winding member has a first channel penetrating therethrough. The second winding member has a second channel penetrating therethrough and includes a covering part. The... Agent: Madson & Austin Gateway Tower West

20070052514 - Power and information signal transfer using micro-transformers: A power converter provides power across an isolation barrier, such as through the use of coils. A coil driver has transistors connected in a positive feedback configuration and is coupled to a supply voltage in a controlled manner by measuring the output power and opening or closing a switch as... Agent: Iandiorio & Teska Intellectual Property Law Attorneys

20070046410 - Printed circuit board transformer: An object of the invention is to provide a PCB transformer having plural output channels, which can suppress a voltage fluctuation in each output channel to supply a stable output without the need for a larger body, even though an input load fluctuates. The PCB transformer include, a core having... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070046411 - Transformer having reduced size, safety insulation and low leakage inductance: A transformer. The transformer includes a first conductor plate, a second conductor plate, a plate positioning member, an insulated wire, and a magnetic core. The second conductor plate is spaced apart from and electrically connected to the first conductor plate. The plate positioning member is in contact with and surrounded... Agent: Kirkpatrick & Lockhart Nicholson Graham LLP

20070046412 - Voltage-controlled semiconductor inductor inductor and method: A voltage-controlled semiconductor inductor and method is provided. According to various embodiments, the voltage-controlled inductor includes a conductor configured with a number of inductive coils. The inductor also includes a semiconductor material having a contact with at least a portion of at least one of the coils. The semiconductor material... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20070046413 - Coil device: A coil apparatus having a divided winding conformation and a manufacturing method of the coil apparatus which can prevent a winding from collapsing while achieving a reduction in size of a core and simplification of a structure. A coil apparatus includes a ferrite core and a coil provided around the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070046414 - Inverse phase converter: An inverse phase converter includes a first bobbin, a plurality of second bobbins, a first magnetic core and a second magnetic core. The first magnetic core and the second magnetic cores are overlapped and coupled to form at least one closed magnetic path. The first bobbin has a wire gathering... Agent: Birch Stewart Kolasch & Birch

20070046416 - Core assembly, in particular for an ignition coil of an internal combustion engine: An ignition coil for an internal combustion engine includes a core assembly. The core assembly has a magnetically active core made of sheet-metal strips, a damping element and a sheath surrounding the core and the damping element. Different ways are described for improving the discharge of air trapped in the... Agent: Kenyon & Kenyon LLP

20070046415 - Electromagnetic apparatus and method for making a multi-phase high frequency electromagnetic apparatus: An electromagnetic apparatus includes: (a) A magnetic material arranged in a core structure establishing a first flux path set and a second flux path set; the first flux path set includes a first middle flux path oriented about a first axis and two first side flux paths parallel with the... Agent: Law Office Of Donald D. Mondul