Inductor devices inventions 08/07

20070194874 - Transformer base for lighting poles and method of making same: A breakaway transformer base for a lighting pole includes four upstanding corner members (preferably formed of aluminum castings), and four side sheets. Each side sheet is attached to two of the corner members, e.g., by welds or fasteners, thereby interconnecting the corner members. Each corner member forms bolt holes for... Agent: Buchanan, Ingersoll & Rooney PC

20070194875 - Filter and coil connecting frame thereof: A filter mainly includes a coil connecting frame, a plurality of coils received in the frame, and a first circuit board. The frame comprises a first surface with a plurality of first pins and a second surface, opposite to the first surface, with a plurality of second pins. The first... Agent: Birch Stewart Kolasch & Birch

20070194876 - Multi-layer board with decoupling function: A multi-layer board having a superior decoupling function in a low frequency band and a radio frequency band. The multi-layer board includes a board body having a plurality of stacked dielectric layers, power terminals connected through a via, ground terminals connected through a via and an integrated circuit component connected... Agent: Mcdermott Will & Emery LLP

20070188282 - Supplementary transformer cooling in a reactive power compensation system: A reactive power compensation system includes a reactive power compensation device and a transformer electrically connected to the reactive power compensation device and having a cooling unit. The reactive power compensation device has an enclosure housing power electronics and at least one fan which provides an airflow for cooling the... Agent: Daly, Crowley, Mofford & Durkee, LLP

20070188283 - Ignition coil for a gasoline engine and method for its manufacture: Described is an ignition coil for a gasoline engine including a coil core on which at least one winding layer of a primary winding is wound up, on which in turn at least one winding layer of a secondary winding is wound up. At least one winding layer of shield... Agent: Kenyon & Kenyon LLP

20070188284 - Shielded power coupling device: Axisymmetric solid of revolution derivable from section at FIG. 5 is generally toroidal with electric current(s) in windings 110, 160 preferably flowing circumferentially along major circle(s) during power coupling device operation. Current(s) in windings 110, 160; current(s) in half-shields 120, 170; and the volume of space swept out by shield... Agent: Mcdermott Will & Emery LLP

20070188286 - Surface-mounted choke coil: In a choke coil adapted to be surface-mounted on a board, a drum core including a core rod, and a circular first flange provided on a lower end of the core rod. A coil is wound around the core rod. Each of a pair of electrodes is electrically connected to... Agent: Whitham, Curtis & Christofferson & Cook, P.C.

20070188285 - Three-dimensional structure and its manufacturing method: A plurality of micro three-dimensional structure elements each having a movable structure fixed on a sacrifice layer, and fixation portions of the micro three-dimensional structure elements for the sacrifice layer are arranged into a film-like elastic body, and then the sacrifice layer is removed. Thus, a three-dimensional structure in which... Agent: Wenderoth, Lind & Ponack L.L.P.

20070188288 - Laminated inductor: One inventive aspect relates to a laminated inductor that can obtain a high Q value by necessary inductance. When the line width is e, the line thickness is t, and the distance between lines of the coil is d, respectively, the laminated inductor has an appropriate size such that the... Agent: Knobbe Martens Olson & Bear LLP

20070188287 - Magnetic-bias ferromagnetic spiral inductor: A semiconductor device having a semiconductor substrate and a first insulator overlying the semiconductor substrate. A spiral coil inductor overlies the first insulator and a second insulator overlies the spiral coil inductor. A patterned ferromagnetic film overlies the second insulator and a patterned magnetic-bias film overlies the patterned ferromagnetic film.... Agent: Tung & Associates

20070188289 - Core having superior end face insulation and method of treating core end faces to give insulation coating: A means for treating the end faces of a core which is used for an electrical apparatuses and etc., to give insulation extremely superior in effect of improvement of the insulation, corrosion resistance, adhesiveness, heat resistance, and magnetic properties at a low temperature in a short time without cleaning for... Agent: Kenyon & Kenyon LLP

20070182518 - Ignition coil for an internal combustion engine: An ignition coil for an internal combustion engine has a rod-shaped magnetic core, which collaborates with a cushioning element in the axial direction. The magnetic core and the cushioning element are furthermore inserted into a secondary coil shell. Moreover, the coil shell has an ignition coil housing, which is filled... Agent: Kenyon & Kenyon LLP

20070182521 - High performance system-on-chip inductor using post passivation process: A system and method for forming post passivation inductors, and related structures, is described. High quality electrical components, such as inductors and transformers, are formed on a layer of passivation, or on a thick layer of polymer over a passivation layer.... Agent: Megica Corporation

20070182519 - Laminated coil: A laminated coil includes a non-magnetic body section inside a laminated body. On the non-magnetic body section, a coil conductor is provided. The number of coil turns of the coil conductor is greater than the number of coil turns of a coil conductor other than the coil conductor on the... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070182520 - Variable inductor element and mobile wireless apparatus: A variable inductor element has a substrate, a first inductor element which is fixedly arranged on the substrate, a second inductor element which is supported by the substrate, is magnetically coupled with the first inductor element and variably control a mutual conductance with the first inductor element, and at least... Agent: Charles N. J. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20070176721 - Inductance variable device: A inductance variable device includes a first inductor, a second inductor magnetically coupled to the first inductor, a current source whose current is variable, electrically connected to the first inductor, and a current control unit. The current control unit controls a current flowing from the current source to the first... Agent: Wenderoth, Lind & Ponack L.L.P.

20070176722 - High-current electrical coil, and transformer construction including same: An electrical coil includes first and second electrically-conductive elements each of a thin, flat, annular configuration formed with a gap to define the turns of a 2-turn coil, and an electrically insulative element also of a thin, flat, annular configuration disposed coaxially between the two electrically-conductive elements and formed with... Agent: Martin D. Moynihan Prtsi, Inc.

20070176723 - Broadband over power lines (bpl) coupling system: An inductive coupler provides an interface between a power line and a communication device which communicates via the power line. The power line operates at a potential between four and 140 kilovolts while accommodating a current having a frequency between 45 and 65 hertz, and the communication device operates substantially... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070176724 - Monolithically integrated circuit: A monolithically integrated circuit, particularly an integrated circuit for radio frequency power applications, has a transistor (11; 51), preferably a power LDMOS transistor, and a spiral inductor (12; 26; 41; 52, 53), preferably an RF blocking inductor. The spiral inductor is arranged on top of the transistor, whereby an electromagnetic... Agent: Baker Botts, L.L.P.

20070176725 - High-current electrical coil construction: A high-current electrical coil includes a plurality of flat, electrically-conductive strips bent to define together a coil in which the electrically-conductive strips are disposed coaxially and extend longitudinally with respect to the longitudinal axis of the coil. Each of the electrically-conductive strips is bent to define at least a part... Agent: Martin D. Moynihan Prtsi, Inc.

20070176726 - 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. The inductors are inversely coupled. In a first embodiment, the converter includes a toroidal magnetic core with inductors extending under and over opposite sides of the toroidal magnetic core. The coupled inductors are... Agent: Whitham, Curtis & Christofferson & Cook, P.C.

20070176727 - Miniature thin-film bandpass filter: A bandpass filter includes at least two thin-film layers, a first resonant circuit including a first inductor, and a second resonant circuit including a second inductor. In one embodiment, the first inductor comprises a coil having a counter-clockwise rotation positioned in two or more of the at least two thin-film... Agent: Squire Sanders & Dempsey LLP