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WO/2005/015724A1 |
A complex resonance type converter having a sync rectifier circuit exhibits a high power conversion efficiency, while having a reduced circuit scale because of its simplified circuit arrangement and being able to be manufactured at a low...
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WO/2005/006828A1 |
The invention relates to an electronic device, provided with a magnetic screening with a maximum resonant magnetic loss, which comprises at least one inductive winding with at least one segment (10, 46) of metallic wire wound around at l...
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WO/2005/005118A2 |
A gypsum board comprises a set gypsum layer having a first face and a second face. A fibrous mat is affixed to at least one of the faces. The mat comprises a non-woven web bonded together with a resinous binder. The web is composed of ch...
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WO/2005/001853A2 |
An apparatus and method for providing cooling to a magnetic circuit element having a magnetic core disposed around a centrally located core support member (200) having at least one core support member wall (210) is disclosed which may co...
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WO/2004/114499A2 |
An electromagnetic device such as a power transformer comprises at least two tubular magnetic core sections spaced apart in substantially parallel alignment. The windings of the device are substantially disposed within each tubular magne...
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WO/2004/112012A2 |
The method of assembling a pick-up actuator includes assembling a lens holder assembly to a base unit creating a magnetic gap (80) between complementary electro-magnetic components of the lens holder assembly and the base unit, disposing...
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WO/2004/109891A2 |
A three dimensional amorphous metal mass suitable for milling is formed wrapping amorphous metal ribbon (10) into a three dimensional shape and then applying adhesive to the three dimensional shape. The adhesive permeates the three dimen...
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WO/2004/109722A1 |
Two rod-like cores (3a, 3b) are applied, respectively, with primary windings (1a, 1b) and secondary windings (2a, 2b), and the circumferences of the rod-like cores (3a, 3b), including at least the opposite ends thereof, are covered entir...
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WO/2004/109723A1 |
An inverter transformer in which to overall structure and manufacturing process can be simplified despite its closed magnetic path structure, and a cost increase can be suppressed. Primary windings (24a, 24b, 24c) and secondary windings ...
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WO/2004/097862A2 |
A selective etching process cuts shapes from amorphous metal strip feedstock. The etching process comprises depositing a chemically resistant material to one side of the strip in a pattern that defines the requisite shape, mating the met...
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WO/2004/083465A1 |
A grain-oriented electrical steel sheet having an irreducible minimum core loss thanks to scanning irradiation of a focused laser beam. The mode of the laser beam is the TEM00 mode. The laser beam emitted from a continuous wave fiber las...
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WO/2004/070740A2 |
A high efficiency electric motor has a generally polyhedrally shaped bulk amorphous metal magnetic component (10) in which a plurality of layers (20) of amorphous metal strips are laminated together adhesively to form a generally three-d...
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WO/2004/070739A2 |
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 magnetic path. The alloy has an amorphous ...
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WO/2004/066322A2 |
The invention relates to an antenna core that comprises a flexible stack of a plurality of oblong soft-magnetic strips (1) consisting of an amorphous or nanocrystalline alloy. The strips of said antenna core are separated from one anothe...
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WO/2004/066438A1 |
The aim of the invention is to create a highly bendable antenna core (8) which is highly bendable for high-frequency identification systems and which substantially retains its soft-magnetic properties when bending occurs. Said aim is ach...
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WO/2004/064084A2 |
An inductor (106) with self-damping properties for use in multiple applications including for high power broadband frequency applications is provided by a coil having an input end and an output end and wound about a core (112) of magneti...
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WO/2004/061837A1 |
A magnetic field generator which is manufactured by a simple manufacturing technique such as plating and in which an eddy current is suppressed, and a magneto-optical information storage device capable of the high-speed recording/reprodu...
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WO/2004/061287A2 |
An electromagnetic actuator for a fluid pressure control valve in a fuel injector for an internal combustion engine is disclosed. The fuel injector comprises a control module including a fuel pressure control valve; an armature connected...
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WO/2004/043633A1 |
Disclosed is an SMD (surface mounting device) core using Fe-Si alloy powder and fabrication method thereof, by which excellent magnetic properties of the SMD core appear in radio frequency band, the SMD core having saturated magnetic flu...
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WO/2004/042746A2 |
A bulk amorphous metal inductive device (1) comprises a magnetic core having at least low-loss bulk ferromagnetic amorphous metal magnetic components (2, 3) forming a magnetic circuit having an air gap therein. The device has one or more...
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WO/2004/040597A1 |
An inductance part capable of obtaining sufficient inductance even if it is small-sized and height-reduced; and an electronic device using the same. An inductance part comprising a coil (21), a through hole (22) in the coil (21), and a m...
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WO/2004/040598A1 |
The invention relates to an end piece for magnetic coupling of core parts to a closed path for magnetic flux, characterized in that it comprises at least an abutment surface for abutment against the core parts and a magnetic path part, w...
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WO/2004/036605A1 |
A single-phase transformer (1) for powering neon lamps and similar, having a magnetic shell core (2), in turn having a central column (2a) extending along a given longitudinal axis (A), two lateral half-columns (2b) extending on opposite...
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WO/2004/027793A1 |
Improved inductive apparatus (400) having controlled core saturation which provides a desired inductance characteristic with low cost of manufacturing. In one embodiment, a pot core (402) having a variable geometry gap is provided. The v...
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WO/2004/027795A1 |
A viscous body (4) is prepared by mixing a magnetic alloy powder, which has been magnetized in advance, with a resin. The viscous body (4) is applied to the upper surface of the center magnetic leg of an E-shaped core (2). A coil (3) and...
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WO/2004/025816A2 |
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 for the non-linear inductor(s) are desc...
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WO/2004/017340A1 |
According to the invention, a continuous axial or radial opening (RE) is cut into a closed reactor core (DK) by means of a water-jet guided laser. The inventive method makes it possible to create a continuous radial opening (RE) from the...
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WO/2004/017338A1 |
The invention relates to an inductive component (1), for the formation of a magnetic circuit, comprising at least one wire winding (3) and at least one core (4) with a ferromagnetic core material. Said core comprises a gap (7, 8) and at ...
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WO/2004/007987A1 |
An electromagnetic brake (100) comprising a fixed core (22), a movable core (24) facing one side (42) of the fixed core (22), and a coil (26) for moving the movable core (24) to vary the distance between the facing sides (42, 44) of the ...
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WO/2003/096512A2 |
There is disclosed a system and method for transferring power without requiring direct electrical conductive contacts. There is provided a primary unit having a power supply and a substantially laminar charging surface having at least on...
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WO/2003/096361A1 |
There is disclosed a magnetic core component for receiving electrical power by induction. The core component includes a thin sheet of amorphous magnetic material in a substantially amorphous or non-annealed state. In contrast to known co...
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WO/2003/083881A1 |
An inductor assembly (20) includes a coil or coils of insulated conductor material defining an inside volume, an inner core (16) of magnetic core material located within the inside volume, and an outer core (15) of magnetic core material...
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WO/2003/079379A1 |
A composite core nonlinear reactor comprising a first core member of high permeability material forming a continuous annular magnetic path, a second core member of high permeability material forming an annular magnetic path locally broke...
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WO/2003/077603A2 |
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 a rod-like ferrite core; and primary, s...
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WO/2003/075403A1 |
The size of an antenna coil is reduced and it is possible to prevent lowering of the reception sensitivity due to difference of the arrangement position of the antenna coil. On a winding frame (3) of a ferrite core (2), a first coil (5) ...
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WO/2003/060932A1 |
The group of inventions relates to magnetic systems, in particular to a method for controlling the flux of electromagnet and to the structural design of an electromagnet which is used for carrying out said method. The inventive structure...
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WO/2003/060935A1 |
This transformer has improved cooling properties resulting in enhanced production of induced current.
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WO/2003/060930A1 |
A powder magnetic core prepared by the compression molding of a magnetic powder, wherein the magnetic powder is made of an alloy having a composition: Si: 1 to 10 wt %, O: 0.1 to 1.0 and balance: Fe, and the magnetic core comprises the a...
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WO/2003/052322A1 |
The present invention relates to an electronic ignition circuit for oil burners, in particular a high voltage high frequency ignition circuit, said circuit comprising an oscillator and a high frequency high voltage transformer wound on a...
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WO/2003/043033A1 |
The invention concerns an inductive component (10; 20; 30) having at least a winding (12; 22; 32) and a magnetic core (11; 21; 31) made of a powder ferromagnetic composite material. The invention is characterized in that said powder ferr...
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WO/2003/043034A1 |
A dual−core inductive device (200) having one or more core elements (210, 211) and a sleeeve (230) adapted to fit over the core element (210, 211). The device (200) is significantly less expensive to produce than prior art transformers...
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WO/2003/041247A1 |
An electromagnetic generator (10, 130, 150, 170) without moving parts includes a permanent magnet (12, 154, 174) and a magnetic core (16, 132, 156) including first and second magnetic paths (18, 20). A first input coil (26, 166) and a fi...
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WO/2003/038959A1 |
The invention relates to a rod coil (11) for ignition systems, said rod coil being especially used as an ignition coil in internal combustion engines of motor vehicles. The aim of the invention is to produce one such rod coil in such a w...
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WO/2003/019587A1 |
The invention relates to a magnetically hard object and to a method for adjusting a magnetic vector of a magnetically hard object. The aim of the invention is to provide a magnetically hard object and a method for producing the same, sai...
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WO/2003/010784A1 |
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 magnetic core. A recess is integrally form...
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WO/2003/008539A2 |
The present invention relates composite core/shell nanoparticles and a two-step method for their preparation. The present invention further relates to biomolecule-core/shell nanoparticle conjugates and methods for their preparation. The ...
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WO/2003/005384A1 |
A method for manufacturing a coil device comprising a step for manufacturing an air core coil (4), and a step for fixing the air core coil (4) to the periphery of a core (1). In the step for manufacturing an air core coil, an air core co...
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WO/2002/096262A2 |
The present invention relates composite core/shell nanoparticles and a two-step method for their preparation. The present invention further relates to biomolecule-core/shell nanoparticle conjugates and methods for their preparation. The ...
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WO/2002/091406A1 |
An electric device (1) such as an inductor or a tranformer for mounting on a circuit board (77). The device contains firt and second core halves (3,33) which can be mated to one another. Each half contains an outer skirt (5) attached to ...
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WO/2002/084676A1 |
A magnetic core having the outer surface thereof coated after annealing by heat treating to ensure an insulating property and a shape retainability without handling fragile amorphous alloy strip, and a magnetic core-use adhesive resin co...
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