Inductor devices inventions 06/06

20060139138 - 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 which controls a current flowing from the current source to the first inductor according to...

20060139139 - Holder device for a transformer: A holder device for a safety transformer (1) for use in electrical installations of extra low voltage, in which the safety transformer (1) is placed in proximity of a consumer object (2), and in which the safety transformer (1) is connected to a piece of fittings (7)....

20060139140 - Ac-dc magnetic iron powder core, current wave filter coil: An improved AC-DC magnetic iron powder core, current wave filter coil that provides for winding a pair of coils using copper wire on magnetic iron core bobbins disposed in parallel as two members, with the two bobbins separated by a set distance, and an overlapping tie plate of one-piece construction...

20060132271 - Ignition coil: An ignition coil includes a cylindrical portion capable of being inserted into a plughole of an engine case. The cylindrical portion has a base end and a tip end, respectively, in an axial direction of the cylindrical portion. The cylindrical portion has an elastically deformable outer peripheral portion that engages...

20060132272 - Transformer: A pair of flanges 16 are formed on both ends of a spool 14 of a bobbin 12, and an insulation layer 32 formed by heat curing an interlayer insulation prepreg tape 22 is formed on the external periphery of the spool 14. A primary coil 26 is wound on...

20060132273 - Inverter trasformer: In an inverter transformer, a primary winding and a secondary winding are wound around each of two bar-shaped magnetic cores, and a magnetic resin covers all or some portions, including at least both end portion of the circumference, of the bar-shaped magnetic cores so that the primary and the secondary...

20060132274 - Transformer for varying inductance value: There is provided a transformer for varying an inductance value, which adjusts a tuning range of the inductance without decrease of the inductor's capability by selectively connecting switches to inductors and controls an amount of magnetic flux. And the transformer consists of multiple inductors formed on a semiconductor substrate, which...

20060132275 - Coil form: A coil form for forming an inductive element (10) includes a coil body (2) and at least one, for example three separating plates (3). The coil body (2) has an opening (4.1) and includes two portions, a coil portion (6) and a flange portion (7). To put the inductive element...

20060132276 - Electronic transformer/inductor devices and methods for making same: The present invention relates to transformer inductor devices and to the methods of construction for inductive components such as inductors, chokes, and transformers. Plural via holes 12 are formed through a ferromagnetic substrate 10. Primary 32 and secondary 34 conductors are placed through common vias to form a plurality of...

20060132277 - Electrical devices and process for making such devices: A process for manufacturing a composite polymeric circuit protection device in which a polymeric assembly is provided and is then subdivided into individual devices (2). The assembly is made by providing first and second laminates (7,8), each of which includes a laminar polymer element having at least one conductive surface,...

20060132278 - Process for the treatment of a thin brittle metal strip and magnetic components produced from a strip made of a nanocrystalline alloy: The invention concerns a treatment method which consists in coating at least one surface of a brittle thin metal strip (1) with a coating film (3, 3′) comprising at least a polymer material, to obtain on the strip an adhering coat with a thickness ranging between 1 and 100 μm,...

20060125586 - Choke coil and embedded core thereof: A choke coil includes an embedded core having a first core and a second core embedded within the first core, and a pair of coils wound around the first core and the second core. The first core and the second core are made of different materials which have different initial...

20060125587 - Noise rejection device and cellular phone including the noise rejection device: A device includes: a pillar-shaped core consisting of a first magnetic insulating material that has two quadric prism segments at both ends thereof symmetrically and has a cylindrical segment, which has an external shape smaller than that of the quadric prism segments, coaxially between the two quadric prism segments; a...

20060125588 - Flat resolver: A flat resolver, which has a magnetic path forming a magnetic flux effectively linking to a secondary winding and a detection winding and has a uniform gap between a stator portion and a movable portion so that a resolver signal can be output with high precision, is provided. The flat...

20060125589 - Inductor, resonant circuit, semiconductor integrated circuit, oscillator, and communication apparatus: An inductor of the present invention includes a plurality of insulating layers being stacked and coil patterns respectively provided on predetermined layers of the insulating layers. The coil patterns are provided on at least two of the insulating layers, and electrically connected to each other. With this arrangement, it is...

20060125590 - Coil form: A coil form for forming an inductive element (10) includes a coil body (2) and at least one, for example three separating plates (3). The coil body (2) has an opening (4.1) and includes two portions, a coil portion (6) and a flange portion (7). To put the inductive element...

20060125592 - High-voltage transformer: In a first secondary-side bobbin 50A, a roll surface of a winding section SA2 is located outward in radial direction with respect to a roll surface of a winding section SA1 in the vicinity of a groove 55A, while a roll surface of a winding section SA3 is located outward...

20060125591 - [high voltage transformer]: Disclosed is a high voltage transformer, which includes two electrically insulative brackets, each having a longitudinal insertion hole and a transverse opening across the insertion hole, primary windings and secondary windings respectively wound round the brackets, two first iron cores each having a plurality of extension arms respectively inserted into...

20060125593 - Two part transformer core, transformer and method of manufacture: A toroidal transformer core topology having improved thermal and electrical properties has a two part core, one part concentrically disposed within the other, with the windings wound between the two. Less expensive materials and less material can be used to construct the core. The core can be constructed using inexpensive...

20060114092 - Wound-rotor transformer and power source device using said wound-rotor transformer: An object of the present invention is to materilize a small size wound rotor transformer in a simple structure, wherein the primary winding 32 is mounted on the central portion of the bobbin (insulator) 2, and the first and second secondary windings 39, 41 are mounted at both sides of...

20060114093 - Power inductor with reduced dc current saturation: A method for making a power inductor comprises providing a first magnetic core comprising a ferrite bead core material, cutting a first cavity and a first air gap in said first magnetic core, and attaching a second magnetic core to said first magnetic core at least one of in and...

20060114095 - Electric component and its manufacturing material: The present invention discloses an electric component and its manufacturing material, of which a plurality of electric component groups is produced on a carrier tape and each electric component group is made of a first and a second symmetric silicon plates, and the first and second silicon steel plates individually...

20060114094 - Simplified surface-mount devices and methods: A low cost, low profile, small size and high performance electronic device for use in, e.g., electronic circuits where a transformer, inductor, or mixer is required. In one exemplary embodiment, the device includes a “binocular” ferrite core comprising a plurality of core apertures and windings. The core is shaped with...