Inductor devices inventions 04/08

20080094159 - Filtering choke arrangement for a frequency converter: Three-phase AC or two-phase DC choke arrangement of a frequency converter, in which is a magnetic core, in which are the phase-specific pillars of the AC choke arrangement or the branch-specific pillars of the DC choke arrangement (1a, 1b), around which are arranged the phase-specific windings of the AC choke... Agent: Birch Stewart Kolasch & Birch

20080094160 - Generalized cancellation of inductor winding capacitance: An inductor device or filter such as an electromagnetic interference (EMI) filter which includes an inductor provides cancellation of parasitic capacitance of the inductor and extends high frequency performance of the inductor or filter by using an inductor network (a special case being split windings) and including capacitors to couple... Agent: Whitham, Curtis & Christofferson & Cook, P.C.

20080094161 - High voltage transformer: A high voltage transformer is small-sized, lightweight and less costly to fabricate. The high voltage transformer is designed to maintain equal the potential difference between the components of two transforming component groups and also to keep the components of the respective transforming component groups equipotential at the same distance in... Agent: Lowe Hauptman Ham & Berner, LLP

20080094162 - Current sensor: An electrical current sensor comprises a magnetic circuit with an air-gap, a magnetic field sensor positioned in the air-gap, and a secondary coil surrounding a branch of the magnetic circuit. The magnetic circuit comprises at least two parts (18, 20) that are assembled together, a branch portion (45, 46) of... Agent: Baker & Daniels LLP

20080094163 - Winding base structure of transformer: An improved winding base structure of a transformer is assembled by combining a primary-side winding base and a secondary-side winding base. The selection of the material of the primary-side winding base and the secondary-side winding base is dependant on the compression-resistant capability because the primary-side input and the secondary-side output... Agent: Pai Patent & Trademark Law Firm

20080094164 - Planar transformer: A planar transformer including a first winding and a second winding is provided. The first winding includes a plurality of conductive paths and an electrical connection portion. The conductive paths of the first winding surround a position point. The electrical connection portion is electrically connected to the conductive paths of... Agent: Jianq Chyun Intellectual Property Office

20080094165 - Coil comprising several coil branches and micro-inductor comprising one of the coils: The coil comprises a plurality of non-joined turns, each turn comprising a rectangular bottom flat section in a bottom plane and a rectangular top flat section in a top plane and two rising sections. The turns fill almost all of the enveloping surface of the coil, a minimum isolating gap... Agent: Oliff & Berridge, PLC

20080094166 - High coupling factor transformer and manufacturing method thereof: A high coupling factor transformer and a manufacturing method thereof are provided. The transformer includes a primary winding and a secondary winding. The secondary winding is adjacent to the primary winding. The secondary winding and the primary winding induct with each other. The primary winding includes a plurality of first... Agent: Jianq Chyun Intellectual Property Office

20080088399 - Series impedance matched inductive power pick up: A non-contact power distribution system is provided. The system includes a pair of primary conductors defining a pathway and a moving assembly having a pick up coil coupled to the pair of primary conductors through an air gap. The pick up coil has a capacitor in series with the pick... Agent: Martine Penilla & Gencarella, LLP

20080088400 - Inductive rotary joint comprising polymer material: The invention relates to an inductive rotary joint having at least two component parts which each comprise a coil for introducing power and/or taking-up power. In order that the rotary joint may be able to withstand even high mechanical load, at least one of the component parts is made of... Agent: Daffer Mcdaniel LLP

20080088401 - Transformer: The present invention provides a transformer comprising a core set constructed by a first core and a second core. The first core and second core define a space, a circuit board with at least one hole is disposed in the space; wherein the winding assembly comprises an insulation coil with... Agent: Birch Stewart Kolasch & Birch

20080088402 - End cap for an inductive component and inductive component: An end cap for an inductive component is disclosed. The end cap has a receptacle configured to receive the inductive component along a longitudinal direction, a jaw extending in the longitudinal direction, and a guide device disposed on the jaw and configured to allow turning of a wire thereon.... Agent: Barley Snyder, LLC

20080088403 - Inverter transformer: An inverter transformer for lighting multiple discharge lamps is provided which has a plurality of output voltages including reversed polarity output voltages while ensuring a reliable insulation performance, and which is produced in a small size and at a low cost. An inverter transformer includes a magnetic core assembly, and... Agent: Oliff & Berridge, PLC

20080084264 - Transformer with fixed pins: A transformer with fixed pins is disclosed. The transformer includes a bobbin, a primary winding, a secondary winding, a core set and a plurality pins. The primary and secondary windings are wound around the bobbin and both have a plurality of winding ends. The core set surrounds the primary and... Agent: Birch Stewart Kolasch & Birch

20080084265 - Inductor element and method of manufacturing the same: An inductor element comprises: a ceramic base member; and a coil composed of a conductor having a shape complementary to the ceramic base member. In the inductor element, a prescribed plural number of steps are formed on at least an inner wall surface of the ceramic base member facing to... Agent: Burr & Brown

20080079523 - Blade outer air seals, cores, and manufacture methods: A blade outer air seal (BOAS) casting core has first and second end portions and a plurality of legs. Of these legs, first legs each have: a first end joining the first end portion; a main body portion; and a second end. Second legs each have: a second end joining... Agent: Bachman & Lapointe, P.C. (p&w)

20080079524 - Planar transformer and switching power supply: A planar transformer comprises a primary coil board including a primary coil, a secondary coil board including a secondary coil, a heat sink integrally having a spacer portions and a magnetic core assembly mounted to the primary coil board and the secondary coil board. The spacer portion is inserted into... Agent: Leydig Voit & Mayer, Ltd

20080079525 - Filament transformer for x-ray tubes: The present invention provides an in-line filament transformer for a vacuum device. The filament transformer comprises: a core; a primary winding and a secondary winding wound around the core, wherein the secondary winding is biased at a high voltage and the primary winding is placed in line with the secondary... Agent: Peter Vogel Ge Healthcare

20080079526 - Light tube driving circuit and transformer thereof: A transformer includes a bobbin, a primary coil, a first secondary coil, a first core, a second core and a third core. The bobbin has a through hole. The primary coil and the first secondary coil are respectively surrounded on the bobbin. The first core is embedded into the through... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080079527 - On-chip inductor: An inductor comprises first and second winding portions symmetrically arranged in an insulating layer on a substrate. Each of the first and second winding portions comprises at least two semicircular conductive traces concentrically arranged. At least one of the relatively outer semicircular conductive traces has a cross section smaller than... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080079529 - Magnetic resonance device: A coil for a magnetic resonance device is provided. The coil includes a cylindrical coil insulating frame with at least one winding groove running around its circumference, at least one coil conductor wound into the winding groove around the coil insulating frame, and one electrically-insulating insulator lining the winding groove... Agent: Brinks Hofer Gilson & Lione

20080079528 - Structure for assembling electrical windings about a central member: An electrical winding structure configured for use in assembling a plurality of electrical winding structures in an installed orientation wound about a central member includes: a unitary segmented strip. First portions of the unitary strip are oriented about a first axis. Second portions of the unitary strip are oriented about... Agent: Law Office Of Donald D. Mondul

20080079530 - Integrated magnetic features: The present invention generally relates to the process of forming a magnetic element or magnetic device that may be used to form a component within an integrated circuit device using a combination of electroless plating and various standard semiconductor processing techniques. In one embodiment, a plurality of magnetic devices are... Agent: Patterson & Sheridan, LLP