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7617590 Method of manufacturing an embedded inductor  
A manufacturing method of an embedded inductor includes the steps of providing a magnetic plastic material, disposing at least one coil into a mold, and injecting or pressing the magnetic plastic...
7607216 Method for manufacturing monolithic ceramic electronic component  
A multilayer composite including a core made of a magnetic ceramic sintered compact disposed therein, and shrinkage restraining layers including an inorganic powder that is not substantially...
7584533 Method of fabricating an inductor structure on an integrated circuit structure  
A damascene process is utilized to fabricate the segmented magnetic core elements of an integrated circuit inductor structure. The magnetic core is electroplated from a seed layer that is conformal...
7579936 Choke transformer used in liquid crystal display backlight driver  
Disclosed is a choke transformer used in liquid crystal display (LCD) backlight driver, comprising a winding base on which a plurality of spacers are formed and having a hollow structure, a core...
7573362 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...
7568278 Method of manufacturing inductor  
A method for manufacturing an inductor using a system-in-package (SIP) includes forming a first penetration electrode in a silicon substrate; depositing an insulating film on a first surface of the...
7567163 Precision inductive devices and methods  
A low cost, low profile, small size and high performance inductive device for use in, e.g., electronic circuits. In one exemplary embodiment, the device includes a ferrite core comprising multiple...
7508290 Inductive component and use of said component  
An inductive component, for the formation of a magnetic circuit has at least one wire winding and at least one core with a ferromagnetic core material. The core comprises a gap and at least one...
7489219 Power inductor with reduced DC current saturation  
A power inductor includes a first magnetic core having first and second ends. The first magnetic core includes ferrite bead core material. An inner cavity arranged in the first magnetic core...
7479861 Inductively coupled power, useful for wireless elevator hall fixtures  
Fixtures ( 27 ) at a doorway of a landing are formed integrally with a frame ( 17 ). Power is provided by an inductive coupler ( 32 ) having a core ( 70 ) and primary ( 75 ). The core is thin...
7471183 Transformer  
There is provided a joint structure of a wound iron core in which iron core characteristics can be enhanced by improving the distribution of magnetic flux within an iron core. A wound iron core is...
7449985 Magnetic element and method of manufacturing magnetic element  
A problem to be solved is to stabilize temperature characteristics in various characteristics of a magnetic element. A magnetic element has a coil formed by winding a conductor, EP cores...
7443275 Device for absorbing noise  
A device for absorbing electrical noise on cables containing a housing comprising a pair of halfshells is disclosed. A grooved ferrite component resides within each halfshell. Flat tabs that come...
7412766 Method of fabricating coil-embedded inductor  
A method of fabricating a coil-embedded inductor provides steps for obtaining uniform density of coil-embedded inductor. The cavity of a first die is filled with dust before being flipped, and then...
7345567 Inverter transformer  
Variation in inductance and leakage inductance between the secondary windings is reduced thereby making lamp currents uniform and thus preventing the occurrence of uneven brightness. A two-output...
7307504 Current transformer, circuit interrupter including the same, and method of manufacturing the same  
A current transformer includes a CT core having a central opening, a height, a width, inner and outer radii, and a secondary winding disposed about the CT core. The CT core is formed from a winding...
7295092 Gapped core structure for magnetic components  
A magnetic component includes a first monolithic core structure having a plurality of magnetic layers and at least one nonmagnetic layer separating one of the plurality of magnetic layers from...
7292128 Gapped core structure for magnetic components  
A single piece core structure for magnetic components that is formed without utilizing insulating spacer materials and bonding materials.
7236076 Electric component having a variable air gap effect  
An electric component having a variable air gap effect comprises two cores having a magnetic field air gap disposed at the connecting position of the two cores, and a coil wound around the cores...
7218196 Noncontact coupler  
A noncontact coupler comprising a pair of magnetic cores 1, 1 each having a U-shaped open magnetic path, a primary coil L 1 and secondary coil L 2 being wound around said cores 1, 1 ...
7142081 Multiple three-phase inductor with a common core  
An electrical inductor assembly has a plurality of three-phase inductors on a common core. Each inductor includes three coils wound around separate legs of the core. Core bridges extend across the...
7136293 Full wave series resonant type DC to DC power converter with integrated magnetics  
A full wave DC/DC converter magnetically integrates into the transformer assembly the functions of the resonant inductor, magnetizing inductor and the output filter inductor. The primary and the...
7109837 Controlled inductance device and method  
Improved inductive apparatus having controlled core saturation which provides a desired inductance characteristic with low cost of manufacturing. In one embodiment, a pot core having a variable...
7102479 Output choke for D.C. welder and method of using same  
An output choke for a D.C. arc welder comprising a high permeability core with an inductance controlling air gap defined by first and second pole pieces terminating in first and second surfaces...
7088212 Transformer with variable reluctance  
A transformer having variable reluctance, that controls the amount of power conveyed from an input to a load, based on a value selected by a computer control. The load power is varied by...
7057486 Controlled induction device and method of manufacturing  
A dual-core inductive device having one or more core elements and a sleeve adapted to fit over the core element(s). The device is significantly less expensive to produce than prior art transformers...
7046111 Inductor assembly  
The present invention is directed to a bobbin for an inductor assembly that is preferably molded of a plastic material incorporating a flange to maintain a uniform and constant gap or separation...
7034647 Integrated magnetics for a DC-DC converter with flexible output inductor  
An integrated magnetic assembly that allows the primary and secondary windings of a transformer and a separate inductor winding to be integrated on a unitary magnetic structure is disclosed. The...
7019611 Modem coupling circuit for power-line carrier  
A modem coupling circuit comprising: (a) a transformer 1 having a core 1 a including a gap formed therein, primary windings N 1 a , N 1 b constituting a bifilar wound coil which is wound...
6995643 Magnetically biasing bond magnet for improving DC superposition characteristics of magnetic coil  
In order to provide an inductance part having excellent DC superposition characteristic and core-loss, a magnetically biasing magnet, which is disposed in a magnetic gap of a magnetic core, is a...
6992555 Gapped amorphous metal-based magnetic core  
A magnetic implement has a gap size ranging from about 1 to about 20 mm. The implement comprises a magnetic core composed of an amorphous Fe-based alloy. A physical gap is disposed in the core's...
6982623 Step-up transformer for magnetron driving  
In a step-up transformer for magnetron driving in which two ferrite cores are opposed to each other with a gap G interposed therebetween, thereby forming a magnetic circuit including a middle core...
6967553 Planar inductive element  
A storage magnetic element, which minimizes the power loss in the planar winding due to the fringe magnetic field associated with a discrete air gap, is presented. The invention describes a...
6965290 Low harmonic rectifier circuit  
Non-linear inductor(s) are used to reduce the percent total harmonic distortion of the harmonics in the line currents in the input side rectifier system of an ac drive system. Several constructions...
6963263 Non-contact electrical energy transfer system  
A non-contact electrical energy transfer system has a nearly continuous loop of ferromagnetic material that defines a gap. A first electric conductor is coiled about a portion of the nearly...
6956456 Magnetron drive boosting transformer  
The present invention provides a boosting transformer for microwave oven, which is low in high-frequency loss, hardly saturated, small in size and easy to produce. The boosting transformer includes...
6930581 Current transformer having an amorphous fe-based core  
A magnetic core has a toroidal configuration, formed by winding an iron-based amorphous metal ribbon. Thereafter the core is heat-treated to achieve a linear B-H characteristic. Advantageously, the...
6930580 Output choke for D.C. welder and method of using same  
An output choke for a D.C. arc welder comprising a high permeability core with an inductance controlling air gap defined by first and second pole pieces terminating in first and second surfaces...
6922883 Method for making a non-linear inductor  
Non-linear inductor(s) are used to reduce the percent total harmonic distortion of the harmonics in the line currents in the input side rectifier system of an ac drive system. Several constructions...
6909352 Endless core for a multiphase transformer and a transformer incorporating same  
A core for a multi-phase transformer includes a body made of two or more rings having a common central axis. Each ring consists of a strip of magnetic permeable material wound about the central...
6906608 Magnetic core including magnet for magnetic bias and inductor component using the same  
An inductor component according to the present invention includes a magnetic core including at least one magnetic gap having a gap length of about 50 to 10,000 μm in a magnetic path, a magnet for...
6897754 Magnetic core for inductor  
Disclosed is a low-priced and small-sized magnetic core for an inductor suitable for a high frequency signal and a large-current signal. The magnetic core is modified from a conventional EP type...
6885273 Induction devices with distributed air gaps  
A distributed air gap material for a induction device in power systems for minimizing fringe losses, mechanical losses and noise in the core The distributed air gap material occupies a selected...
6885272 Permanent magnetic core device  
Biased core devices and method of use are disclosed in which magnetic core energy losses due to hysteresis and eddy currents are greatly reduced in comparison to the core losses in prior art...
6873239 Bulk laminated amorphous metal inductive device  
A bulk amorphous metal inductive device comprises a magnetic core having at least one low-loss bulk ferromagnetic amorphous metal magnetic component forming a magnetic circuit having an air gap...
6856230 Harmonic filtering circuit with special transformer  
A filter uses a special autotransformer that has a ferromagnetic core with a plurality of legs and flux return bars. A first coil is located on one leg, and a second coil is located on the same...
6853285 Inductor component  
An inductor component is provided. The inductor component includes a core composed of a hollow core piece and a rod core piece, a bobbin, and bonded magnets. Regarding the hollow core piece and rod...
6822546 Transformer arrangement for combined pots and xDSL service  
The current technology involved with overlaying any type of digital subscriber loop (xDSL) service with plain old telephone service (POTS) makes use of two separate transformers, one for POTS and...
6798329 Inductor  
In an inductor comprising an open magnetic path formed by a soft magnetic material and a winding provided around the open magnetic path, the soft magnetic material has its relative complex...
6791446 Inductance component comprising a permanent magnet greater in sectional area than a magnetic path and disposed in a magnetic gap  
An inductance component includes a magnetic core ( 11, 12 ) forming a magnetic circuit having a magnetic gap, an exciting coil ( 14 ) wound around the magnetic core, and a permanent magnet ( 13 )...
Matches 1 - 50 out of 323 1 2 3 4 5 6 7 >