| Entries |
| Document | Title | Date |
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| 20130027166 | INDUCTANCE ELEMENT - This disclosure provides an inductance element including a core, a conductive wire, and a pair of terminal electrodes. The core includes an upper flange portion and a lower flange portion formed on both ends of a winding-core portion, and the conductive wire is wound around the winding-core portion. End portions of the wire connect to a pair of terminal electrodes formed on a bottom surface of the lower flange portion. Each terminal electrode includes a principal electrode region and a pair of extension electrode regions extending from the principal electrode region toward respective side surfaces of the lower flange portion. Each extension electrode region of each terminal electrode is not formed on a region of the bottom surface of the lower flange portion through which one of the end portions of the conductive wires pass. | 01-31-2013 |
| 20130027165 | ASYMMETRICAL PLANAR TRANSFORMER HAVING CONTROLLABLE LEAKAGE INDUCTANCE - An asymmetrical planar transformer having controllable leakage inductance is provided. The asymmetrical planar transformer includes a circuit board, a winding rack, a primary winding, a secondary winding, and a magnetic core assembly. Via hole is formed on circuit board. Winding rack includes several annular plates, a tubular shell, and a through hole. The first, second, and third annular plates are arranged in parallel. Position of through hole is corresponding to that of via hole. Primary winding is disposed between first and second annular plates, and is electrically connected with circuit board. Secondary winding, with annular shape, is disposed between second annular plate and third annular plate, and is electrically connected with circuit board. Magnetic core assembly includes magnetic column which is passed through via hole of circuit board and through hole of winding rack. Through hole is extended through secondary winding, first annular plate, second annular plate, and third annular plate. | 01-31-2013 |
| 20110279211 | COIL COMPONENT AND METHOD FOR MANUFACTURING COIL COMPONENT - To provide a coil component that can adequately ensure component accuracy even when miniaturization is pursued. A coil component includes a main body portion structured with green compact containing magnetic material, a coil arranged inside the main body portion, a pair of lead wires each drawn out from the coil to outside of the main body portion, terminal fittings electrically connected to the lead wires at the outside of the main body portion, and welding portions connecting the lead wires and the terminal fittings. The pair of lead wires is both drawn out towards a first direction that is orthogonal to an axis direction of the coil. Drawing surfaces of the main body portion are disposed towards the coil side from a first side surface that is an end of the main body portion in the first direction. The drawing surfaces perpendicularly intersect the lead wires. | 11-17-2011 |
| 20130027167 | CIRCUIT BOARD AND METHOD FOR MOUNTING AIR CORE COIL - Provided is a circuit board including an air core coil including a winding portion having a conductive wire wound in a helical shape, a first lead portion extending from an end of the winding portion, and a second lead portion extending from another end of the winding portion, wherein the first lead portion and the second lead portion extend in different directions from each other on a substantially same plane, and a coil mounting portion including an opening to accommodate the winding portion, a first conductive part provided on a periphery of the opening and contacting the first lead portion, and a second conductive part provided on the periphery of the opening and contacting the second lead portion. | 01-31-2013 |
| 20090195342 | COMMON MODE CHOKE COIL - A common mode choke coil includes a core, external electrodes, a pair of windings, and a top plate. The core includes a winding core portion and a pair of flanges disposed at respective ends thereof. The external electrodes are provided at lower portions of the flanges. The pair of the windings is wound around the winding core portion of the core, and ends thereof are connected to the external electrodes, respectively. A lower surface and a side surface of the top plate are covered with a metal film and are adhered to upper surfaces of the flanges with an adhesive. Preferably, magnetic powder is mixed in the adhesive. | 08-06-2009 |
| 20090231078 | Switching Transformer - There is provided a switching transformer which enables material costs to be reduced while the performance to be improved, permitting cost and size reductions, and which is suitable for mass production by ensuring good assemblability. Instead of using a conventional coil bobbin having a winding drum part, a center-leg-having core | 09-17-2009 |
| 20110193670 | TRANSFORMER - A transformer includes a main body, at least a rubber piece and a wire-guiding groove. The main body has a primary winding partition, several secondary winding partitions and two end portions. Several leads are disposed in either end portion. The rubber piece provides the buffer action, and it makes the secondary wire of the transformer which is pulled from several primary leads run closely and automatically fitted on the surface of the rubber piece and the primary end piece. The transformer used the rubber piece as buffer to avoid bending and breakage. The wire-guiding groove is formed in the primary end piece. The wire-guiding groove can guide the secondary wire to keep the secondary wire running closely and neatly on the lower surface of the primary winding partition. | 08-11-2011 |
| 20130076471 | TRANSFORMER AND ASSEMBLING METHOD THEREOF - A transformer includes a winding frame, a primary coil, an insulating cover, a secondary coil, and a core assembly. The winding frame has a winding portion formed with a first side portion and a second side portion oppositely. A plurality of first pins and second pins are disposed on the first and second side portions, respectively. The primary coil is wrapped around the winding portion of the winding frame and connected to the first pins. The insulating cover is fitted over the primary coil. The secondary coil is wrapped around the insulating cover and connected to the second pins. The core assembly is arranged on the winding frame. A transformer assembling method is also disclosed. The coil wrapping process for the transformer can be expedited and associated cost can be reduced. | 03-28-2013 |
| 20130043966 | TRANSFORMER TAP PROJECTION AND COVER - Tap covers and projections for an electrical device are provided. The tap projections have bosses or taps raised from a surface of the tap projection and encapsulated with a resin except for an outer surface of the bosses or taps. The tap projections may have a channel or recess between individual bosses or taps to prevent degradation of the insulation between the respective adjacent bosses or taps. When a tap cover is provided, it is pushed on or bolted to the tap projection. The tap cover may be provided for an individual tap or an entire tap projection and may be formed of a resin or an elastomeric material. The tap cover has a first generally planar surface and a second generally annular surface having a circumferentially-extending groove on an inside surface. The circumferentially-extending groove is located slightly beneath the second generally annular surface. The groove of the tap cover is designed to fully engage with a raised lip of a tap projection or individual tap of a transformer. Another embodiment of the tap cover has openings to receive epoxy-headed bolts that are used to connect the tap cover to the tap projection through the tap connectors. | 02-21-2013 |
| 20100134232 | ELECTRIC COMPONENT WITH WINDING AND TAPPING - A power transformer includes at least one winding formed from at least one conductor extending along a circumferential direction, wherein the at least one winding has a tap in a contact section formed by a profile of the at least one conductor in at least one direction inclined relative to the circumferential direction; and at least one supporting element configured to support the conductor in the contact section. | 06-03-2010 |
| 20130082811 | TRANSFORMER AND FABRICATING METHOD FOR TRANSFORMER - A transformer and a fabricating method for transformer. The transformer includes a stand, two primary-sides, a secondary-side and multiple pins. The stand has a top-portion, a bottom-portion and a middle-portion connecting the top-portion and the bottom-portion. The primary-sides are disposed on the middle-portion and the secondary-side is disposed on the middle-portion between and insulated from the two primary-sides. The pins are plugged under the bottom-portion and electrically connected to the primary-sides and the secondary-side, wherein each of the primary-sides and secondary-side has multiple thread-ends respectively connecting one pin. The bottom-portion has multiple slots corresponding to the pins. The slot length is greater than a safety-standard distance, no insulating sleeve is disposed on the thread-ends, and the thread-ends are electrically connected to the pins along the slots so that a distance between the electrical connection joint and the primary-sides or the secondary-side on the middle-portion is greater than the safety-standard distance. | 04-04-2013 |
| 20130033352 | ENAMELED ALUMINUM WIRE WINDING AND PREPARATION METHOD THEREOF - An enameled aluminum wire winding includes a framework, a connection terminal, an enameled aluminum wire, and a protective cover. The connection terminal includes a fixed part, one end of which extends to form a welded part, and the other end of which extends to form an external connection part. The fixed part is fixed to the framework. The enameled aluminum wire is wound on the framework. A contact portion of the enameled aluminum wire is welded with the welded part to form a connection section. The protective cover is provided with a glue groove in which insulating glue is contained. The connection section is submerged in the insulating glue and the insulating glue is solidified. The protective cover and the solidified insulating glue therein doubly protect the connection section, so the problems of easy oxidation, corrosion, and cracking in the connection section are solved. The winding is safe and stable. | 02-07-2013 |
| 20100045418 | COMMON-MODE CHOKE COIL - A common-mode choke coil has induction immunity characteristics that are improved by a coil structure preventing a transmitter IC and a receiver IC from malfunctioning during an induction immunity test and which controls a decrease in ESD resistance and a decrease in self-resonance frequency. The common-mode choke coil includes a core, external electrodes, a pair of coils, and a top plate. The core includes a core section and a pair of flange sections. The pair of coils are wound around the core section of the core, and the ends of the coils are connected to the external electrodes, respectively. An underside and a side surface of the top plate are plated with a metal film, and bonded to the top surfaces of the flange sections preferably by an adhesive agent. The metal film is segmented into two separate portions so as to define two separate metal sections with a gap therebetween so that the metal sections are electrically disconnected. | 02-25-2010 |
| 20100102913 | ALIGNED MULTILAYER WOUND COIL - The invention is to provide an aligned multilayer wound coil that is compact in size, and is excellent in productivity, an apparatus for manufacturing the same, an electrical equipment, and non-inductive resistance to which the aligned multilayer wound coil is applied. The aligned multilayer-wound coil comprises two, or more winding layers, the winding layers being provided with insulated electric wires, respectively, wound in one direction in alignment with each other, wherein a lead wire is guided out from respective ends of the coil, on a layer-by-layer basis, and wherein the lead wire guided out from one end of the coil on a layer-by-layer basis is connected to one terminal while the lead wire guided out from the other end of the coil on a layer-by-layer basis is connected to the other terminal, and winding layer coils on a layer-by-layer basis are connected in parallel with each other on a circuit. | 04-29-2010 |
| 20130038417 | COIL COMPONENT AND MANUFACTURING METHOD THEREOF - There are provided a coil component and a manufacturing method thereof which secure coupling force between a coil and a substrate. The coil component includes: a substrate unit including a first substrate layer, an insulating layer stacked on the first substrate, and a second substrate layer stacked on the insulating layer; and coil layers each interposed between the first substrate layer and the insulating layer and between the insulating layer and the second substrate layer. | 02-14-2013 |
| 20100109828 | Transformer - A transformer includes a main body and a wire. The main body has several winding partitions and two end portions. Several leads are disposed in either end portion and a buffer region is formed between the right end portion and the right-most winding partition. An intermediate area is disposed between the buffer region and the right-most winding partition. One end of the wire is connected to one of the leads and the wire passes the right end portion. Before the wire goes into the buffer region, the wire is folded for several times and then is twisted and rolled for several turns to make the wire thicker. Next, the thicker wire is wound around the iron core in the buffer region for several turns and then the thicker wire passes the intermediate area and goes into the right-most winding partition. | 05-06-2010 |
| 20100109827 | SURFACE MOUNT PULSE TRANSFORMER AND METHOD AND APPARATUS FOR MANUFACTURING THE SAME - A surface mount pulse transformer has a drum type core including a core and first and second flanges disposed on both ends of the core and installed on a substrate and a primary winding wire and a secondary winding wire wound around the core and provided with an intermediate tap, respectively, wherein first and second terminal electrodes being connected to each of both ends of the primary winding wire and a third terminal electrode for connecting being connected to the intermediate tap of the secondary winding wire are disposed on the surface of the first flange and a fourth terminal electrode being connected to the intermediate tap of the primary winding wire and fifth and sixth terminal electrodes being connected to each of both ends of the secondary winding wire are disposed on the surface of the second flange. | 05-06-2010 |
| 20130049915 | MAGNETIC COMPONENT - Provided is a magnetic component capable of omitting a process of binding both ends of a lead wire to terminals and having stable connection between the lead wire and the terminals. The magnetic component is provided with a core ( | 02-28-2013 |
| 20130049914 | SURFACE MOUNTED PULSE TRANSFORMER - A surface mounted pulse transformer ( | 02-28-2013 |
| 20130069751 | TRANSFORMER - A transformer includes a core inducing a magnetic field and including an upper core and a lower core; a first insulating part in an inner side of the core; a secondary winding part in an upper portion of the insulating part, a part of the secondary winding part being exposed out of the core; a second insulating part in an upper portion of the secondary winding part to insulate the second winding part; a primary winding part in an upper portion of the second insulating part; and a film between the upper core and the lower core. | 03-21-2013 |
| 20090302988 | Winding Component - To realize a structure that is substantially highly reliable, that solves a problem of a wire break accompanied by an application of an external force to a terminal and at the same time solves a problem of a wire break caused by heat effects during dip soldering, without causing a strength reduction of the terminal, cost increase, and wire thinning. | 12-10-2009 |
| 20090039997 | Metal Terminal, Coil Component, and Method for Holding and Fixing Conductive Wire - The present invention provides a metal terminal that can hold and fix a conductive wire thereto without excessive deformation. In the metal terminal of this invention, a predetermined relationship is set between a length in the lengthwise direction and a width in the widthwise direction of a conductive wire winding portion and a diameter of the conductive wire wound around the conductive wire winding portion to reduce force applied to the conductive wire when holding and fixing the conductive wire. | 02-12-2009 |
| 20130057377 | COIL TERMINAL - An object of the present invention is to provide a contact coil terminal having smaller numbers of components and assembling manhours, and thus, higher productivity. For this, there is a coil terminal | 03-07-2013 |
| 20120274432 | CHIP-TYPE COIL COMPONENT - The chip-type coil component includes: a body; conductive patterns connected to each other so as to have a coil structure; and external electrodes formed on the bottom surface and the two surfaces in the length direction; wherein a height of the external electrodes in a thickness direction of the body is greater than a height from the bottom surface to a farthest conductive pattern therefrom among the conductive patterns and is less than a height from the bottom surface of the body to the top surface thereof. According to embodiments of the present invention, even in a case in which a chip-type coil component set contacts a metal can, interference such as short-circuits does not occur, and as a result, a chip-type coil component having excellent reliability can be acquired. | 11-01-2012 |
| 20110279209 | HIGH-IMPEDANCE DC-ISOLATING TRANSMISSION LINE TRANSFORMERS - A composite transmission line transformer includes at least one core, a first port, a second port, and one or more pairs of transmission lines wound about the core(s). Each transmission line is in signal communication with the first port and the second port. For each pair, the transmission lines are interconnected in series at the first port and at the second port such that the first port and the second port are DC-isolated from each other. | 11-17-2011 |
| 20110279212 | Method For Making Magnetic Components With M-Phase Coupling, And Related Inductor Structures - An M phase coupled inductor includes a magnetic core including a first end magnetic element, a second end magnetic element, and M legs disposed between and connecting the first and second end magnetic elements. M is an integer greater than one. The coupled inductor further includes M windings, where each winding has a substantially rectangular cross section. Each one of the M windings is at least partially wound about a respective leg. | 11-17-2011 |
| 20110279210 | COIL COMPONENT, REACTOR, AND METHOD FOR FORMING COIL COMPONENT - A coil component comprises a plurality of coil elements arranged side-by-side and a connecting portion that interconnects the coil elements. The plurality of coil elements are formed from a single flat wire wound edgewise so that the coil elements wind in the same direction. The connecting portion includes a portion of the flat wire between the two coil elements wound edgewise, wherein a part of the connection portion protrudes radially outward from the two coil elements. The connecting portion is bent flatwise at two positions so that the two coil elements are arranged side-by-side with their axes in parallel with each other. | 11-17-2011 |
| 20100171581 | LOW PROFILE LAYERED COIL AND CORES FOR MAGNETIC COMPONENTS - A low profile magnetic component with planar coil portion, polymer-based supporting structure and methods of fabrication. | 07-08-2010 |
| 20090045902 | WIRE-WOUND TYPE COIL AND WINDING METHOD THEREFOR - A common-mode choke coil includes a magnetic core, external electrodes, first and second wires, and a magnetic top. The magnetic core includes a winding core section and first and second flange sections. The external electrodes are provided on the first and second flange sections. The first wire is directly wound around the winding core section. The second wire is wound around the outside of the first wire. The first turn of the second wire is wound while being in contact with the first turn of the first wire and the first flange section. | 02-19-2009 |
| 20120182111 | FORM-LESS ELECTRONIC DEVICE ASSEMBLIES AND METHODS OF OPERATION - Improved form-less electronic apparatus and methods for manufacturing the same. In one exemplary embodiment, the apparatus comprises a shape-core inductive device having a bonded-wire coil which is formed and maintained within the device without resort to a bobbin or other form(er). The absence of the bobbin simplifies the manufacture of the device, reduces its cost, and allows it to be made more compact (or alternatively additional functionality to be disposed therein). One variant utilizes a termination header for mating to a PCB or other assembly, while another totally avoids the use of the header by directly mating to the PCB. Multi-core variants and methods of manufacturing are also disclosed. | 07-19-2012 |
| 20110291784 | ELECTRONIC COMPONENT - An electronic component capable of adjusting the number of turns of a coil without preparing multiple kinds of inner conductors to be positioned at an end of the layer direction is composed of a multilayer body having multiple laminated magnetic layers. A spiral coil includes inner conductors and via-hole conductors connected to each other. Each of the inner conductors has a length of one turn. Both ends of each of the inner conductors are over points A and B. The inner conductor provided at the most negative side in the z-axis direction branches at one end so as to be over the points A and B. | 12-01-2011 |
| 20110291783 | MAGNETIC ELEMENT - Disclosed is a magnetic element that makes it possible to prevent a coil terminal from being positioned on a ring mount. The magnetic element comprises a first core member, coils, which are disposed in a second core member and a bobbin, and a first mount, on which the first core member is mounted, and possesses a second mount, which is disposed rising up from, and positioned between both edges of, the first mount, and on which the second core member is mounted, and is further equipped with a base, with multiple terminals disposed protruding from the sides thereof. Furthermore, a protrusion is disposed at the edge of the second mount, extending in the direction moving away from said second mount, and this protrusion is smaller than the thickness dimension of the base, and a terminal is positioned on the back surface of the protrusion on the opposite side from the side on which the second core member is mounted, and then bound to the terminals. | 12-01-2011 |
| 20100265022 | DUAL INDUCTOR CIRCUIT FOR MULTI-BAND WIRELESS COMMUNICATION DEVICE - This disclosure describes a dual inductor circuit, which may be particularly useful in a mixer of a wireless communication device to allow the mixer to operate for two different frequency bands. The dual inductor circuit comprises an inductor-within-inductor design in which a small inductor is disposed within a large inductor. The two inductors may share a ground terminal, but are otherwise physically separated and independent from one another. Terminals of the inner inductor, for example, are not tapped from the outer inductor, which can reduce parasitic effects and electromagnetic interference relative to tapped inductor designs. The independence of the inductors also allows the different inductors to define different resonance frequencies, which is desirable. | 10-21-2010 |
| 20100033284 | RESONANCE TRANSFORMER AND POWER SUPPLY UNIT EMPLOYING IT - A resonance type transformer has an O-shaped magnetic core, a primary winding, and a secondary winding. The O-shaped magnetic core is formed of a first split magnetic core and a second split magnetic core, and has a first magnetic leg provided with a first magnetic gap therein and a second magnetic leg opposite the first magnetic leg. The primary winding is wound on the outer periphery of the first magnetic so as to cover at least the first magnetic gap. The secondary winding is wound on the outer periphery of the second magnetic leg. | 02-11-2010 |
| 20100265021 | ELECTRIC COIL - An electric coil comprising a coil core ( | 10-21-2010 |
| 20110215892 | COIL ASSEMBLY HAVING PIN SUPPORT PORTIONS OF DIFFERENT LENGTH - A coil assembly having a simplified bobbin structure and facilitating connection of a draw-out portion of a wire to a pin terminal. A coil assembly includes first and second pin support portions protruding in a protruding direction from a terminal base. First and second pin terminals protrude in the protruding direction from free end faces of the first and second pin support portions, respectively. The draw-out portion is electrically connected to an associated one of the pin terminals. The second pin support portion provides a protruding length from the terminal base greater than that of the first pin support portion, and the free end face of the second pin support portion is positioned downstream, in the protruding direction, of an imaginary linear draw-out portion directed linearly from the wire engaging portion to the first pin terminal, such that the second pin support portion is positioned and sized to intersect with the imaginary linear draw-out portion. | 09-08-2011 |
| 20110260822 | MULTI-TURN INDUCTORS - A multi-winding inductor includes a first foil winding and a second foil winding. One end of the first foil winding extends from a first side of the core and wraps under the core to form a solder tab under the core. One end of the second foil winding extends from a second side of the core and wraps under the core to form another solder tab under the core. Respective portions of each solder tab are laterally adjacent under the magnetic core. A coupled inductor includes a magnetic core including a first and a second end magnetic element and a plurality of connecting magnetic elements disposed between and connecting the first and second end magnetic elements. A respective first and second single turn foil winding is wound at least partially around each connecting magnetic element. Each foil winding has two ends forming respective solder tabs. | 10-27-2011 |
| 20100026438 | FORM-LESS ELECTRONIC DEVICE ASSEMBLIES AND METHODS OF OPERATION - Improved form-less electronic apparatus and methods for manufacturing the same. In one exemplary embodiment, the apparatus comprises a shape-core inductive device having a bonded-wire coil which is formed and maintained within the device without resort to a bobbin or other form(er). The absence of the bobbin simplifies the manufacture of the device, reduces its cost, and allows it to be made more compact (or alternatively additional functionality to be disposed therein). One variant utilizes a termination header for mating to a PCB or other assembly, while another totally avoids the use of the header by directly mating to the PCB. Multi-core variants and methods of manufacturing are also disclosed. | 02-04-2010 |
| 20090189726 | Dry-Type Transformer with Improved Terminal Construction and Mounting System Therefor - The invention is directed to a transformer having a ferromagnetic core with a coil disposed around the core. An insulation layer is disposed over the core and the coil and terminals are connected to the coil. Each of the terminals is formed from cast metal and has a base and a connector. The base is at least partially disposed under the insulation layer. A connector is joined to the base at about a right angle and is located toward the middle of the base. | 07-30-2009 |
| 20090085703 | INDUCTOR AND MANUFACTURE METHOD THEREOF - An inductor comprises a coil, a non-ferrite layer, two electrodes, a first ferrite layer, and a second ferrite layer, where the coil is encapsulated by the non-ferrite layer having a first surface and a second surface opposite to the first surface, two electrodes coupled to the coil are respectively extended out from the non-ferrite layer for connecting a module, and the first ferrite layer and the second ferrite layer are respectively arranged adjacent to the first surface and the second surface of the non-ferrite layer. | 04-02-2009 |
| 20110148560 | Two-Phase Coupled Inductors Which Promote Improved Printed Circuit Board Layout - Two-phase coupled inductors including a magnetic core, at least a first winding, and at least three solder tabs. Power supplies including a printed circuit board, a two-phase coupled inductor affixed to the printed circuit board, and first and second switching circuits affixed to the printed circuit board. Each of the first and second switching circuits are electrically coupled to a respective solder tab of the two-phase coupled inductor affixed to the printed circuit board. | 06-23-2011 |
| 20100123539 | Transformer - A transformer includes a main body, at least a rubber piece and a wire-guiding groove. The main body has a primary winding partition, several secondary winding partitions and two end portions. Several leads are disposed in either end portion. The rubber piece is fitted on at least one surface of one of several primary leads. The rubber piece can strengthen the primary lead and enables the secondary wire to run closely and neatly on the surface of the rubber piece and the primary end piece. The wire-guiding groove is formed in the primary end piece. The wire-guiding groove can guide the secondary wire to keep the secondary wire running closely and neatly on the lower surface of the primary winding partition. | 05-20-2010 |
| 20100007455 | METHOD FOR MAKING A HIGH CURRENT LOW PROFILE INDUCTOR - A high current, low profile inductor includes a conductor coil surrounded by magnetic material to form an inductor body. An inductor body is formed around the inductor coil and includes a resin and a magnetic material compressed while it is dry and surrounding the inside and the outside of the coil. | 01-14-2010 |
| 20110193669 | SIMPLIFIED INDUCTIVE 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 or inductor is required. In one exemplary embodiment, the device includes a self-leaded header made from a unitary construction. The header includes a vertically oriented winding post that obviates the need for e.g. a binocular aperture type configuration. Methods for manufacturing the device are also disclosed. | 08-11-2011 |
| 20120092118 | HOLDER FOR HIGH-VOLTAGE END LEADS IN OIL TRANSFORMERS - A holder is provided for high-voltage end leads in oil transformers. The holder includes a plate-like, elongated basic insulation module which has two planar outer sides and a connecting device at its first end and an accommodating device for a transversely running a screen tube in the region of its second end. The basic insulation module is angled between the first end and the second end, such that a shorter side edge and an opposite longer side edge is formed. A plurality of adjacent slots are provided transversely to the elongated extent of the basic insulation module, where the slots encircle the latter at its planar outer sides and at the shorter side edge in a respective plane. At least one U-shaped insulation plate is fitted into one of the slots in a positive-locking manner. | 04-19-2012 |
| 20100090790 | COMMON-MODE CHOKE COIL - A common-mode choke coil includes a core, external electrodes, a pair of wires, and a top plate. The core includes a winding core portion and a pair of flanges at both ends of the winding core portion. The upper surface of the winding core portion and the upper surfaces of the flanges are covered with a metal film. The external electrodes are provided on lower portions of the flanges. A pair of wires are wound on the winding core portion of the core, and the ends of the wires are connected to the external electrodes. The top plate is bonded to the upper surfaces of the flanges preferably via an adhesive. | 04-15-2010 |
| 20100090789 | Method, system and transformer for mitigating harmonics - In one aspect a single-phase transformer is provided that includes: a primary side configured to receive a primary line to line voltage of a three-phase source; and a secondary side configured to output a secondary line to line voltage having a zero amplitude and substantially similar first and second line to neutral secondary voltages. In other aspects of the invention, systems and methods are provided for mitigating harmonics that employ the transformer. | 04-15-2010 |
| 20100123537 | PLANAR COIL COMPONENT - In a plane perpendicular to an axial direction of a winding drum, side legs face each other along an X-direction. A Y-direction is perpendicular to the X-direction. A planar coil component is configured so that a point along the Y-direction, where width of a central leg is maximum along the X-direction is at a plus side of the Y-direction, in relation to a center of the Y-direction, of the central leg; width of the central leg along the X-direction monotonically decreases from the point; width of the central leg along the X-direction is longer than along the X-direction; distance between facing surfaces of the side legs is constant; the terminal board is on the minus side, along the Y-direction, of a flange; and an end of the winding extends through the flange at the minus side of the Y-direction. | 05-20-2010 |
| 20100123538 | Transformer - A transformer includes a main body and a secondary winding. The main body has a primary winding partition, several secondary winding partitions and two end portions. Several leads are disposed in either end portion. A wire-guiding area is formed in a sunken area in the primary winding partition and a buffer region is formed between the primary end portion and the primary winding partition. The secondary winding is wound around the core on the secondary winding partitions. One end of the wire runs from the secondary winding partitions to the wire-guiding area. Before the secondary wire goes into the buffer region, the secondary wire is folded for several times and then is twisted and rolled for several turns to make the secondary wire thicker. Then the secondary wire goes into the buffer region and then is connected to one of the primary leads. Due to the wire-guiding area and buffer region, the secondary wire would not be affected or pressed against by the primary wire. | 05-20-2010 |
| 20110199176 | ELECTRONIC COMPONENT, VEHICLE AND ELECTRONIC APPARATUS - According to one embodiment, an electronic component includes a cylindrical former proper, a thick portion provided at the end of the former proper and projecting from the outer surface of the former proper, a connecting portion adjacent to the thick portion including a terminal assembly, and a wire wound around the former proper and electrically connected to the terminal assembly. The thick portion includes a first retaining portion in which the wire running from the terminal assembly to the former proper is retained. | 08-18-2011 |
| 20090273426 | Coil component and method for producing the same - A coil component having a core, first and second terminal electrodes provided on the core, and a conducting wire having a winding portion provided on the core and end portions electrically connected to the first and second terminal electrodes to provide first and second connecting portions. The core has one side surface at which the first and second connecting portions are provided. When viewing the one side surface, a wire portion in the winding portion extends in a first direction, and a wire portion extending from the second connecting portion extends toward the winding portion in a second direction. The first and second directions define an intersection angle of not more than 90 degrees. | 11-05-2009 |
| 20090295525 | INDUCTOR COMPONENT - An inductor component has electrode portions, a winding portion in which a conductor is wound by three or more turns, and lead portions located at both ends of the winding portion and connecting the winding portion and the electrode portions. Winding intervals of the respective turns in the winding portion decrease monotonically from one end to the other end of the winding portion. | 12-03-2009 |
| 20080290979 | Bobbin, coil-wound bobbin, and method of producing coil-wound bobbin - A bobbin includes a spool portion having a hollow circular cylinder shape and adapted to have a wire wound thereon in multilayer alignment; a flange integrally disposed at one end of the spool portion; and a terminal block integrally disposed at the flange and adapted to terminate the wire, wherein a formula: D×N−D/2□L| 11-27-2008 | |
| 20080290978 | Coil connecting structure, coil connecting method, set of conductors, and electric motor - An electric motor that does not provide new terminals for carrying out conductive caulking, and further, facilitates the work of using a conductive caulking machine. An electric motor coil connecting structure that connects conductors connected to a power input member and lead terminals of coils by conductive caulking and connects the power input member and the lead terminals of the coil electrically. One end of each of the conductors is formed into a terminal-shaped portion in which the lead terminals of the coil can be fitted and temporarily retained. The lead terminals of the coil are fitted in the terminal-shaped portion of the conductors and temporarily retained, and connected by conductive caulking. | 11-27-2008 |
| 20080309447 | ELECTROMAGNETIC COIL - The electromagnetic coil according to the invention has a coil core, a winding of coil wire and two contact pins, the contact pins being secured to at least one resilient holding member and being movable relative to the coil core. The holding member is formed in a unitary manner with the coil core, and the ends of the coil wire are secured to the movable/resilient contact pins. | 12-18-2008 |
| 20110006867 | MAGNETIC COMPONENT - Provided is a magnetic component capable of omitting a process of binding both ends of a lead wire to terminals and having stable connection between the lead wire and the terminals. The magnetic component is provided with a core including a spool portion around which a lead wire is wound, and external terminals to which the both ends of the lead wire are connected. Each of the external terminals includes a protruding portion (terminal end fixing portion) which is capable of receiving movement of the lead wire in a direction opposite to a winding direction, and the external terminals and the lead wire are connected to each other. | 01-13-2011 |
| 20090160594 | COILED COMPONENT AND ELECTRONIC APPARATUS - According to one embodiment, a coiled component includes a conductor wire including a portion coiled around a core and an end portion out of the core, a lead including a first end portion and a second end portion to which the end portion of the conductor wire is connected, and a protrusion section protruding at a position outwardly shifted from the second end portion of the lead as seen from the core. The conductor wire is extended from the core to the second end portion of the lead in such a manner that the conductor wire is curved to pass the protrusion section. The protrusion section includes an inclined part around which the conductor wire is windable, and which is inclined in such a manner that a protrusion height of the protrusion section decreases in a direction away from the core. | 06-25-2009 |
| 20120068803 | TRANSFORMER - A transformer having a structure in which first and second substrates are vertically laminated, including: a plurality of input conductive lines disposed on the first substrate along a circumference thereof; a single output conductive line disposed co-planarly with the plurality of input conductive lines, and having one end connected to a ground; and an air bridge including a pair of conductive via holes formed in any one conductive line in an overlapped area in which the input and output conductive lines are intersected with each other to penetrate through the first substrate and a single piece of conductive line connecting the pair of conductive via holes to each other and disposed on the second substrate, thereby preventing a short-circuit between the input and output conductive lines. | 03-22-2012 |
| 20090058587 | Two Piece Bi-Metal Coil Terminal and Electrical Coil Assembly Incorporating Same - An electrical coil assembly utilizing a bimetallic two-piece terminal construction and a method of manufacturing same are provided. The inner terminal structure utilizes a material that aids in the touchless attachment of the fine gauge magnetic wire to the inner terminal structure. The low mass of the inner terminal structure allows for increased winding speeds during the manufacturing process. The outer terminal structure utilizes a material that provides good corrosion resistance and electrical conductivity. The inner and outer terminal structures are electrically attached after the winding and electrical attachment process of the fine gauge magnetic wire. The coil and two-piece terminal connectors may then be encapsulated to provide a final electrical coil assembly. | 03-05-2009 |
| 20090231079 | COIL APPARATUS - A coil apparatus ( | 09-17-2009 |
| 20110221558 | COIL OF A TRANSFORMER - A coil of a transformer has two side conducting brackets and at least one middle conducting bracket. The middle conducting bracket is elongated or spiral-shaped and has two terminals respectively connected to the side conducting brackets. The side conducting brackets and the at least one middle conducting bracket of some specific type are connected to form different numbers of loops or different types of circuits (series circuits or parallel circuits). Therefore, design and fabrication of the coil is flexible and materials and manufacturing costs are saved. Moreover, the side conducting brackets and the at least one middle conducting bracket require only two or four soldered joints so number of soldered joints required is limited and efficiency of the transformer is improved. | 09-15-2011 |
| 20110221557 | FORM-LESS ELECTRONIC DEVICE ASSEMBLIES AND METHODS OF OPERATION - Improved form-less electronic apparatus and methods for manufacturing the same. In one exemplary embodiment, the apparatus comprises a shape-core inductive device having a bonded-wire coil which is formed and maintained within the device without resort to a bobbin or other form(er). The absence of the bobbin simplifies the manufacture of the device, reduces its cost, and allows it to be made more compact (or alternatively additional functionality to be disposed therein). One variant utilizes a termination header for mating to a PCB or other assembly, while another totally avoids the use of the header by directly mating to the PCB. Multi-core variants and methods of manufacturing are also disclosed. | 09-15-2011 |
| 20090201114 | BOBBIN ASSEMBLY - A bobbin assembly is disclosed that includes a first bobbin and a second bobbin. The second bobbin is configured substantially similar to the first bobbin. The first and second bobbins include a first flange and a second flange disposed at opposite ends of a central core. The first flanges include terminal receiving cavities and wire posts for terminate a wire wound around the central core. The bobbin assembly may be formed by mating either the first flanges or the second flanges together. | 08-13-2009 |
| 20110221559 | TRANSFORMER SET - A transformer set includes a first bobbin piece, a second bobbin piece, a third bobbin piece, a fourth bobbin piece and a magnetic core assembly. The second bobbin piece has a first pin and a second pin. A first terminal of a first secondary winding coil is fixed on the first pin, then the first secondary winding coil is successively wound on the second bobbin piece and returned back, and a second terminal of the first secondary winding coil is fixed on the second pin. The fourth bobbin piece has a third pin and a fourth pin. A first terminal of a second secondary winding coil is fixed on the third pin, then the second secondary winding coil is successively wound on the fourth bobbin piece and returned back, and a second terminal of the second secondary winding coil is fixed on the fourth pin. | 09-15-2011 |
| 20100148908 | TRANSFORMER - A transformer which comprises a winding frame, at least one primary coil assembly, and at least one feedback coil assembly is provided. The winding frame has at least one primary winding area and at least one feedback winding area. The at least one primary coil assembly which is wound around the at least one primary winding area and electrically connected to a microcontroller is configured to receive an input voltage. The at least one feedback coil assembly which is wound around the at least one feedback winding area and electrically connected to the microcontroller is configured to output an induced voltage to the microcontroller. The microcontroller is configured to adjust the input voltage received by the at least one primary coil assembly according to the induced voltage. | 06-17-2010 |
| 20090315659 | Coil component and method for producing the same - A coil component having an easily discernible orientation, and a method of producing such a coil component that facilitates the injection of resin. A coil component includes a core with a winding portion, first and second flanges disposed on either end of the winding portion, and a winding accommodating region defined by the winding portion and the first and second flanges, terminal electrodes disposed on the second flange and a winding wound about the winding portion and connected to the terminal electrodes. An insulating resin is formed over the winding at the winding accommodating region. A marker made from a material the same as the insulating resin is provided at outer peripheral surface of the flanges. | 12-24-2009 |
| 20090315660 | Inductor - An inductor is arranged such that the projection area of each terminal portion falls within a square circumscribing the projection area of an upper flange portion under a state where the inductor is projected orthogonally in the direction of the axis. Projection area of each end of a winding connected to the joint of the terminal portions also falls within the square. Consequently, an installation space can be secured easily on a board, and a space saving inductor in which a space for installation of other components can be secured easily on the periphery can be obtained. | 12-24-2009 |
| 20090315661 | INTEGRATED MAGNETIC DEVICE - An integrated magnetic device disposed on a system circuit board is disclosed. The integrated magnetic device comprises a first magnetic device and a second magnetic device. The first magnetic device comprises a primary winding having at least a terminal; a secondary winding disposed corresponding to the primary winding, a magnetic core assembly assembled with the primary and secondary windings and partially covered by the primary and secondary windings, and a receiving chamber. The second magnetic device has a central through hole and a plurality of conductive ends. The second magnetic device is received in the receiving chamber of the first magnetic device and electrically connected to the system circuit board via the conductive ends, and the terminal of the primary winding of the first magnetic device pierces through the central through hole of the second magnetic device and electrically connects to the system circuit board. | 12-24-2009 |
| 20090289750 | SHEET TYPE TRANSFORMER AND DISCHARGE LAMP LIGHTING APPARATUS - A sheet type transformer includes a primary winding | 11-26-2009 |
| 20100182117 | High Frequency Magnetic Current Transducer - A pulse current transducer including at least one open core, an armature, together with the at least one open core form a closed magnetic circuit, a winding wound around the at least one open core, at least one signal output pin connected to the at least one open core, and a conducting strip between the armature and the at least one open core. | 07-22-2010 |
| 20100013587 | HIGH CURRENT MAGNETIC COMPONENT AND METHODS OF MANUFACTURE - Magnetic components including pre-formed clips are described that are more amenable to production on a miniaturized scale. Discrete core pieces can be assembled with pre-formed coils and physically gapped from one another with more efficient manufacturing techniques. | 01-21-2010 |
| 20100182116 | INDUCTANCE COMPONENT - In an inductance component, a stress is not locally applied even in the condition where heat is applied to entire component, such as when implementing soldering, so that high reliability is realized. For realizing this, the component includes element ( | 07-22-2010 |
| 20100214050 | Self-leaded surface mount inductors and methods - A low cost, high performance inductive device for use in, e.g. electronic circuits is disclosed. In one exemplary embodiment, the device includes a two-legged magnetically permeable core optimized for fitting with one or more windings. Preferably, the device is also self-leaded, thereby simplifying its installation and mating to a parent device (e.g., PCB). In another embodiment, one or more low profile magnetically permeable cores are mounted on a surface of the self-leaded magnetically permeable core, preferably with a gap. In yet another embodiment, the aforementioned gap is obviated. In yet another embodiment, spacers are positioned on a surface of the self-leaded magnetically permeable core device to position the low profile magnetically permeable at a predetermined distance from the self-leaded magnetically permeable core. In yet another embodiment, a bead inductor is disclosed comprising a plurality of turns. Methods for manufacturing and utilizing the devices are also disclosed. | 08-26-2010 |
| 20110234356 | Integrated Gas Discharge Lamp and Ignition Transformer for an Integrated Gas Discharge Lamp - An ignition transformer ( | 09-29-2011 |
| 20110234355 | COIL TRANSFORMER COMPOSED OF UNIT CONFIGURATION - There are many varieties of windings. Coils adopting an edgewise winding wire in which winding wires are wound around in the radial direction of the coil have a wide flux linkage area orthogonal to the electric wire, so that stray loss within the wire is increased, winding wire loss is increased and temperature is raised thereby. The present invention provides an arrangement in which a plurality of coil units are prepared and connected via external coupling terminals. At this time, winding is performed so that the contact faces of the coil units have equal potentials, so that there is no need to ensure an insulation distance between coils, and the coils can be downsized. Therefore, the mass of the respective coils can be reduced. Taps disposed on the respective coils are arranged to have equal potentials, according to which the external coupling terminals can double as tap switch terminals, so that there is no need to provide a dedicated tap switch. | 09-29-2011 |
| 20110032063 | Modular Space Transformer For Fine Pitch Vertical Probing Applications - In an embodiment, a modular space transformer for use in a probe card assembly includes a bottom plate, a guide plate, and a top plate. The guide plate is configured for mounting in a cut-out of the bottom plate. The guide plate has a first surface and a second surface and additionally has a first plurality of spaced electrical connections disposed in a plurality of apertures formed through the guide plate for providing electrical connections between a plurality of test probe contacts and a plurality of guide plate contacts. The top plate has a plurality of spaced electrical contacts disposed through the top plate with at least one of the plurality of guide plate contacts electrically connected to at least one of the plurality of spaced electrical contacts. | 02-10-2011 |
| 20090108976 | TRANSFORMER BOBBIN WITH ISOLATION WIND - A transformer bobbin has a body with first and second ends spaced along a longitudinal axis. Conductive pins are mounted in the ends and dimensioned for electrical and mechanical connection with first and second wire windings received in the body. An opening in the body is dimensioned to receive a ferrous core, and an external winding surface on the body extends between the first and second ends. First and second margin barriers are provided inwardly of the first and second ends of the winding surface. The margin barriers have a height that extends a predetermined dimension that closely approximates the height of the first winding. The margin barriers electrically isolate the first winding from the second winding that is thereafter received over the body. Preferably, at least one of the first and second margin barriers includes channels therethrough dimensioned to receive the first winding wire for connection with the pins. | 04-30-2009 |
| 20100295647 | Multi-Stage Coil for Transformer, and Coil Winding Method and Apparatus for Manufacturing the Same - At least two or more flat rectangular wires having been fed separately or simultaneously (two or more are superimposed) are integrated by being pinched in a width direction and a thickness direction by at least two or more pairs of rollers and are rolled and formed simultaneously in a forming part to be formed into two or more flat rectangular electric wires. The two formed electric wires are stacked in layers in a wind-up part while being wound into a disk shape to provide a multi-stage coil. Two or more systems up to the forming part of the winding apparatus may be disposed in a planar layout. Each system may supply one flat rectangular electric wire separately, and the supplied electric wires may be stacked in layers in the wind-up part while being superimposed. The coil may be molded entirely. | 11-25-2010 |
| 20100295646 | Manufacture and use of planar embedded magnetics as discrete components and in integrated connectors - The current invention provides an integrated planar transformer and electronic component that includes at least one wideband planar transformer disposed in a planar substrate, where each wideband planar transformer includes a planar substrate in a fully-cured and rigid state, a ferrite material embedded in the planar substrate, where the ferrite material is enveloped in an elastic and non-conductive material, inter-wound conductors disposed around the embedded ferrite material, where top and bottom conductors are bonded by an insulating adhesive. The top and bottom conductors are connected in an inter-connected pattern by conductive vias disposed on each side of the ferrite material and span through the layers to the conductors. The planar transformer further includes at least one center tap connected to at least one inter-wound conductor. The integrated planar transformer and electronic component further includes at least one electronic component connected to at least one terminal of the wide-band planar transformer. | 11-25-2010 |
| 20110128107 | CHIP INDUCTOR AND MANUFACTURING METHOD THEREOF - To provide a chip inductor, which can make magnetic loss of the inductor element reduced, excellent in electrical property such as high Q etc., and high reliability, which is demanded for use in vehicles. The chip inductor comprises a ferrite core ( | 06-02-2011 |
| 20100301983 | SURFACE-MOUNT AIR-CORE COIL - A surface-mount air-core coil is provided in which a conductive wire covered with an insulation coating is wound into a spiral shape to form a cylindrically wound coil portion, conductive wires which are not covered with the insulation coating extend from both ends of the wound coil portion to form a pair of terminal portions, and the terminal portions are soldered onto electrode lands of a circuit board. A lower side of the wound coil portion which faces the circuit board is curved, an upper side thereof is formed in a flat shape, and the curved part is mounted on the circuit board. | 12-02-2010 |
| 20100134233 | INDUCTOR AND METHOD FOR MAKING THE SAME - An inductor includes: an inductive coil having a coil portion and two extension legs; a magnetic pillar including a pillar portion that is inserted into the coil portion and that has an upper end projecting upwardly from the inductive coil, and a flange portion radially projecting from the upper end of the pillar portion, the flange portion pressing against an upper end of the coil portion; and an embedding body in which the coil portion and the magnetic pillar are embedded, the extension legs being exposed from the embedding body. | 06-03-2010 |
| 20110121933 | Leading-Out Device of Reactor Coil and Iron Core Reactor Comprising It - A leading-out device of a reactor is directly connected to an active part of the reactor and comprises an U-shaped insulating plate, a metal voltage-sharing shield insulating layer covering outside the U-shaped insulating plate and a surrounding insulating layer covering outside the metal voltage sharing shield insulating layer, wherein an oil gap is formed between the surrounding insulating layer and the metal voltage-sharing shield insulating layer. An iron core reactor comprises the leading-out device. | 05-26-2011 |
| 20110001595 | Coil component - A coil component ensuring adhesive bonding between first and second cores. The coil component also includes an inductive component and a pair of terminal electrodes. The first core has a first adhesion surface. The second core is connected to the first core by an adhesive agent and has a second adhesion surface in confrontation with the first adhesion surface. At least one of the first adhesion surface and the second adhesion surface is formed of a glass surface layer to which the adhesive agent is applied. The inductive component is wound over the first core. The pair of terminal electrodes are provided at one of the first core and the second core. The inductive component has one end portion electrically connected to one of the terminal electrodes and has another end portion electrically connected to remaining one of the terminal electrodes. | 01-06-2011 |
| 20110001596 | Electrical Device Including A Transformer With A Core Having Two Holes And Connector Incorporating The Same - An electrical device is produced by winding wires around a core. The device may be used as a transformer. Wires are inserted into, through and around a first hole and a first side of a core a desired number of times. Thereafter, the wires are extended along either a top or a bottom of the core and then passed through and around a second hole of the core. After the wires are wound around the second hole of the core and a second side of the core, the production of the device is complete. | 01-06-2011 |
| 20090066458 | Winding structure of a transformer - An improved winding structure of a transformer, wherein the transformer comprises a winding base externally set with an isolating plate, the transformer is divided into a primary side region and a secondary side region by the isolating plate. The primary side region has a winding reel for a pre-formed wire set to sleeve on while the secondary side region is divided into a plurality of winding grooves by a plurality of partitions for placing a wire in the grooves, and an iron core set is set on the outside of the winding base and the hollow structure, which altogether form an transformer. In the present invention, an pre-formed wire set is sleeved on a primary side winding reel, therefore, the costs of traditional hand-winding will be displaced, and the manufacturing quality and usage stability of transformers will be effectively improved as well. | 03-12-2009 |
| 20110018669 | Low Profile Inductors For High Density Circuit Boards - An inductor includes a core formed of a magnetic material and a foil winding wound at least partially around or through at least a portion of the core. A first end of the winding extends away from the core to form an extended output tongue configured and arranged to supplement or serve as a substitute for a printed circuit board foil trace. A second end of the winding forms a solder tab. At least a portion of the extended output tongue and the solder tab are formed at a same height relative to a bottom surface of the core. Another inductor includes a core formed of a magnetic material, a winding wound at least partially around or through at least a portion of the core, and a ground return conductor attached to the core. The core does not form a magnetic path loop around the ground return conductor. | 01-27-2011 |
| 20110109413 | Electric coil and method of manufacture - Instead of being made from one continuous piece of material, a coil includes multiple flat coil segments that are stacked together and electrically coupled in series. In many embodiments, the coil segments are U-shaped segments, and the segments are arranged so that each segment is rotated (e.g., by 270 degrees) with respect the segment it follows. The stacked coils may then be fastened together using, for example, bolts through the corners of the coil segments. The combined coil segments form a continuous coil. | 05-12-2011 |
| 20110043315 | TRANSFORMER - The transformer includes a bobbin, a plurality of terminal electrode, a primary coil, a secondary coil, and a hook part. The bobbin includes a core portion extending in an axial direction, and terminal bases fixed at both ends of the core portion in the axial direction. The plurality of terminal electrode regions is provided on the terminal bases. Each terminal electrode region is provided with a wire connection part. The primary coil comprises a plurality of primary wires. The secondary coil comprises a plurality of secondary wires. The hook part is disposed between the core portion and one of the terminal electrode regions and configured to hook at least one of the primary wires and the secondary wires. | 02-24-2011 |
| 20110043317 | Low Profile Inductors For High Density Circuit Boards - An inductor includes a core formed of a magnetic material and a foil winding wound at least partially around or through at least a portion of the core. A first end of the winding extends away from the core to form an extended output tongue configured and arranged to supplement or serve as a substitute for a printed circuit board foil trace. A second end of the winding forms a solder tab. At least a portion of the extended output tongue and the solder tab are formed at a same height relative to a bottom surface of the core. Another inductor includes a core formed of a magnetic material, a winding wound at least partially around or through at least a portion of the core, and a ground return conductor attached to the core. The core does not form a magnetic path loop around the ground return conductor. | 02-24-2011 |
| 20110043316 | OVERLAPPING COMPACT MULTIPLE TRANSFORMERS - Systems and methods are provided for overlapping compact multiple transformers. The systems and methods may include a first transformer section that includes a first primary winding section and a first secondary winding, where the first primary winding section is inductively coupled to the first secondary winding, where the first transformer section is associated with a first rotational current flow direction in the first primary winding section; and a second transformer section that includes a second primary winding section and a second secondary winding, where the second primary winding section is inductively coupled to the second secondary winding, wherein the second transformer section is associated with a second rotational current flow direction in the second primary winding section, where a first portion of the first primary winding section is adjacent to a second portion of the second primary winding section, where the adjacent first and second portions include a substantially same first linear current flow direction. | 02-24-2011 |
| 20110115594 | MAGNETIC ELEMENT, FABRICATING PROCESS THEREOF, AND ASSEMBLY OF MAGNETIC ELEMENT AND CIRCUIT CARRIER - A magnetic element includes a bobbin, a pin pedestal, and a coil. The bobbin includes a connecting base with at least one first wire-arranging groove. The pin pedestal is connected to the connecting base, and includes a pedestal body and at least one pin. The pin is disposed on the pedestal body. The coil is wound around the bobbin, and has an outlet part. The outlet part is penetrated through the first wire-arranging groove, moved across the pedestal body and fixed on the pin. | 05-19-2011 |
| 20110115595 | TRANSFORMER - A transformer includes a covering member, a bobbin, a primary winding coil, plural secondary winding coils, and a magnetic core assembly. The covering member includes plural pins. The bobbin is combined with the covering member, and includes a bobbin body and a channel. A first winding section and plural single-trough second winding sections are defined on the bobbin body. The single-trough second winding sections are arranged at bilateral sides of the first winding section. The channel runs through the bobbin body. The primary winding coil is wound around the first winding section of the bobbin, and connected with the pins. The secondary winding coils are wound around respective single-trough second winding sections of the bobbin. The magnetic core assembly is partially embedded into the channel of the bobbin. | 05-19-2011 |
| 20090219127 | BALUN TRANSFORMER USING A DRUM-SHAPED CORE - A balun transformer includes: a drum-shaped core having a core unit and a pair of flanges arranged on both sides of the core unit; a plurality of terminal electrodes arranged on the flanges; a primary winding wound around the core unit, both ends of the primary winding being connected to the terminal electrodes; and a secondary winding wound around the core unit, both ends and a center tap of the secondary winding being connected to the terminal electrodes, wherein the secondary winding includes a first wire extending from one end to the center tap, and a second wire extending from the other end to the center tap, and the first wire and the second wire are wound around the core unit so as to extend along each other. | 09-03-2009 |
| 20090212896 | TERMINAL MEMBER AND COIL ASSEMBLY USING THE SAME - An electric terminal member includes a connector portion ( | 08-27-2009 |
| 20110148559 | MULTI-TURN INDUCTORS - A multi-winding inductor includes a first foil winding and a second foil winding. One end of the first foil winding extends from a first side of the core and wraps under the core to form a solder tab under the core. One end of the second foil winding extends from a second side of the core and wraps under the core to form another solder tab under the core. Respective portions of each solder tab are laterally adjacent under the magnetic core. A coupled inductor includes a magnetic core including a first and a second end magnetic element and a plurality of connecting magnetic elements disposed between and connecting the first and second end magnetic elements. A respective first and second single turn foil winding is wound at least partially around each connecting magnetic element. Each foil winding has two ends forming respective solder tabs. | 06-23-2011 |
| 20080231404 | INTEGRATED TYPE TRANSFORMER - There is provided an integrated type transformer that reduces the volume by integrating a plurality of transformers transmitting power for driving a plurality of lamps in an inverter circuit for an LCD into one transformer structure. An integrated type transformer according to an aspect of the invention includes a bobbin unit including a bobbin body having a predetermined length and a through hole therein in a longitudinal direction of the bobbin unit, and a core unit including an inner core inserted into the through hole of the bobbin unit, and an outer core formed along one surface in the longitudinal direction among outer circumferential surfaces of the bobbin unit and electromagnetically coupled to the inner core to form one magnetic path. | 09-25-2008 |
| 20110102119 | RESONANT TRANSFORMER - A resonant transformer includes a bobbin, a primary winding coil, plural secondary winding coils, and a magnetic core assembly. The bobbin includes a main body and a channel running through the main body. The main body includes a first winding section and plural single-trough second winding sections. Plural pins are arranged at the first winding section. The single-trough second winding sections are arranged at bilateral sides of the first winding section. The primary winding coil is wound around the first winding section of the bobbin and connected with the pins. The secondary winding coils are wound around respective single-trough second winding sections of the bobbin. The magnetic core assembly is partially embedded into the channel of the bobbin. | 05-05-2011 |
| 20110102120 | Transformer - A transformer includes a main body and a wire. The main body has several winding partitions and two end portions. Several leads are disposed in either end portion and a buffer region is formed between the right end portion and the right-most winding partition. An intermediate area is disposed between the buffer region and the right-most winding partition. One end of the wire is connected to one of the leads and the wire passes the right end portion. Before the wire goes into the buffer region, the wire is folded for several times and then is twisted and rolled for several turns to make the wire thicker. Next, the thicker wire is wound around the iron core in the buffer region for several turns and then the thicker wire passes the intermediate area and goes into the right-most winding partition. | 05-05-2011 |
| 20120119864 | ADVANCED ELECTRONIC HEADER APPARATUS AND METHODS - A low profile and small size electronic device for use in, e.g., electronic circuits which provides maximum creepage and/or clearance distances. In one embodiment, the device is configured for a small footprint and utilizes two or more windings that require isolation. The exemplary device includes a self-leaded header made from a unitary construction which comprises a box-like support body having a cavity for mounting a circuit element, the support body having a base and leads extending generally horizontally outward from the support body adjacent the base, the support body having one side opening on a side with leads permitting the loading of the inductive device in the cavity, and a routing channel residing on the top of the base, so as to maximize the creepage and clearance distance of the electronic device. Shaped-core and other embodiments are also disclosed. | 05-17-2012 |
| 20120119863 | COMMON MODE FILTER AND METHOD OF MANUFACTURING THE SAME - A common mode filter includes at least two inductance unit sets. Each inductance unit set includes a coil leading layer, an insulating substrate, at least two electrically conductive columns, and a coil main body layer. The coil leading layer is disposed on a first surface of the substrate, and includes at least two leading wires, at least four leading terminals, and at least two contacts. Each leading wire respectively connects one leading terminal and one contact. The coil main body layer is disposed on a second surface of the substrate, and includes a coil lead and two end portions thereof. Each electrically conductive column extends through the substrate, connecting one contact and one end portion. The two substrates and two coil main body layers of the at least two inductance unit sets are bonded by an electrically insulating layer. The two coil main body layers are electrically isolated from each other by the electrically insulating layer. | 05-17-2012 |
| 20110050378 | COIL COMPONENT HAVING WIRE-SUPPORT MEMBER - A coil component includes a bobbin having a core part and a flange. The flange has a first surface on a first side and a second surface on a second side. The first surface of the flange is attached to an axial end of the core part. An end of a wire is electrically connected to a metallic terminal of a terminal-mounting member disposed on the flange. The flange is formed with a notch at a position near the terminal-mounting member, and the notch extends from a peripheral edge of the flange toward the core part. A segment of the wire near the end thereof extends from the second side to the first side of the flange through the notch and further to the core part, and this segment of the wire is hooked around the wire-supporting member in the notch. | 03-03-2011 |
| 20100301984 | ELECTROMAGNETIC COIL MEANS - The present invention discloses an electromagnetic coil means, comprising a terminal part and pins passing through the terminal part, wherein the pins are divided into a first group of pins connected with an upper coil stator and a second group of pins connected with a lower coil stator which are spaced apart from each other; the first group of pins comprises first outer sections with first head portions and first inner sections with first root portions; the second group of pins comprising second outer sections with second head portion and second inner sections with second root portions; the first and second head portions extend out from a pin leading-out surface of the terminal part, characterized in that, at least one group of the first and second groups of pins are bent, and a distance between adjacent said first and second head portions is larger than that between adjacent said first and second root portions. By this electromagnetic coil means, the distance of solder joints between adjacent head portions of pins is increased, thus the insulation performance between the solder joints is improved. | 12-02-2010 |
| 20110248810 | WIRE-WOUND COIL - The disclosure provides a wire-wound coil that can prevent contact between an outer flange portion of the wire-wound coil and a mount board so as to prevent breakage of the outer flange portion and misalignment and unwinding of a wound conductive wire. A groove is provided in an outer side face of a flange at an end of a winding core, and an inner flange portion and an outer flange portion are provided on opposite sides of the groove. A distance from a bottom face of the groove to at least an outer side face of the outer flange portion that would be facing a mount board or is attached to a mount board is shorter than a distance from the bottom face of the groove to the inner flange portion. | 10-13-2011 |
| 20100033285 | Reactance ballast device - A reactance ballast device (V), in particular for an arc furnace, has an induction coil ( | 02-11-2010 |
| 20110187485 | TRANSFORMER HAVING SECTIONED BOBBIN - A transformer includes a bobbin, terminal electrodes, a core, a primary winding, a secondary winding, and an additional winding. The bobbin is made from an electrically insulating material and has a tubular portion defining an internal space. The tubular portion has an outer peripheral surface providing a first through third sections arrayed side by side in an axial direction of the tubular portion. The terminal electrodes are provided at the bobbin for electrical connection to the windings. The core is inserted into the internal space. The primary winding has an insulating layer and is wound over the first section. The secondary winding has an insulating layer and is wound over the third section. The additional winding is wound over the second section and has an insulation layer whose insulating performance is greater than that of the insulation layer of the primary winding and the secondary winding. | 08-04-2011 |
| 20100321144 | COIL COMPONENT - A coil component which can secure the insulation and strength of a ferrite core and reserve a winding region sufficiently is provided. By coating a surface of an Mn—Zn-based ferrite core with a glass film, this coil component can secure the insulation between the ferrite core and a terminal electrode. Coating with the glass film also ensures the strength of the ferrite core, thereby inhibiting cracks from occurring in boundary parts between a winding core part and flanges. In the coil component, at least one of the thickness of the glass film covering the surface of the winding core part and the thickness of the glass film covering the inner side face of the flange is smaller than the thickness of the glass film in the remaining part. Thus suppressing the thickness of the glass film on the surface of the winding core part and on the inner side face of the flange can sufficiently secure a winding region M. | 12-23-2010 |
| 20100321143 | INDUCTOR - Provided is an inductor which effectively uses a mounting space and has remarkably reduced radiation noise. The inductor is provided with a magnetic core ( | 12-23-2010 |
| 20110260821 | COIL COMPONENT - A coil component includes a core formed by a magnetic material, a coil embedded in the core, a part of a terminal portion of the coil protruded from a side surface of the core, and a tabular terminal, a part thereof protruded from the side surface of the core and partly connected with the protruded part of the terminal portion of the coil. The protruded part of the terminal portion of the coil and the protruded part of the tabular terminal are respectively bent toward the bottom surface side of the core along the side surface of the core, and the protruded and bent part of the terminal portion of the coil is arranged between the protruded and bent part of the tabular terminal and the core. | 10-27-2011 |
| 20110133873 | Chip Type Wire Wound Choke Coil - A chip type wire wound choke coil with a fixed shape and size provides different electrical characteristics by, with various standardized chip sizes, changing a diameter or a thickness of an insulation film of an insulated conductor of the choke coil, or changing a cross sectional shape of the insulated conductor of the choke coil, or changing a turn number of the choke coil with respect to turn numbers of both terminals, or changing the core material of the choke coil, or changing a height of the choke coil. | 06-09-2011 |
| 20100225432 | TRANSFORMER ASSEMBLY - A transformer assembly is provided. The transformer assembly comprises a plurality of transformers. The plurality of transformers is parallel and electrically connected. Each of the transformers has a base and a top, and the top is across from the base. The height from the base to the top is substantially less than 10 mm. | 09-09-2010 |
| 20110260820 | BOBBIN AND TRANSFORMER HAVING SUCH BOBBIN - A transformer includes at least one primary winding coil, at least one secondary winding coil, a bobbin and a magnetic core assembly. The bobbin includes a main body with at least one winding section, a first base disposed under the main body, and plural fastening pins disposed on the first base. The primary winding coil and the secondary winding coil are wound around the main body. Each of the plural fastening pins includes a clamping part for clamping an outlet part of the primary winding coil or the secondary winding coil on the first base. The magnetic core assembly is partially received within the bobbin. | 10-27-2011 |
| 20090153280 | STRUCTURE OF TRANSFORMER - A transformer includes a first bobbin piece, a second bobbin piece, a first pin, a second pin and a magnetic core assembly. The first bobbin piece has a first channel therein and a covering element, and a primary winding coil is wound on the first bobbin piece. The second bobbin piece includes a first secondary side plate, a second secondary side plate, a plurality of partition plates, a wall portion, and a secondary base, and a secondary winding coil is wound on the second bobbin piece. The second pin includes a wire-arranging part, an insertion part and an intermediate part, wherein the wire-arranging part is protruded from the second secondary side plate, the intermediate part is buried in the wall portion, and the insertion part is protruded from the bottom surface of the secondary base. The magnetic core assembly is partially embedded within said first channel of said first bobbin piece and said second channel of said second bobbin piece. A first terminal of the secondary winding coil is fixed on the first pin and a second terminal of the secondary winding coil is fixed on the wire-arranging part of the second pin. At least parts of the second bobbin piece are received in the covering element of the first bobbin piece, and the covering element has an insulating partition for isolating the magnetic core assembly from the primary winding coil and the secondary winding coil. | 06-18-2009 |
| 20110148562 | FIELD COIL ASSEMBLY OF ELECTROMAGNETIC CLUTCH FOR POWER TRANSMISSION APPARATUS AND MANUFACTURING METHOD THEREOF - Disclosed is a field coil assembly of an electromagnetic clutch including a bobbin from which lead wires, which are both ends of a coil made of an aluminum-based material, protrude outward, a core that surrounds the bobbin such that the lead wires are exposed, a bobbin terminal installed at the bobbin while being adjacent to the lead wire of the coil, and a connector coupled to the core and including a lead wire terminal. The lead wires of the coil are connected to the bobbin terminal through heating and pressing. | 06-23-2011 |
| 20110148561 | CURRENT SENSING DEVICES AND METHODS - A low-cost and high-precision current sensing device and methods for use and manufacturing. In one embodiment, the current sensing apparatus comprises a Rogowski-type coil which is manufactured in segments so as to facilitate the manufacturing process. In an exemplary embodiment, the current sensing apparatus segments comprise a number of bobbin elements that are wound and subsequently formed into complex geometric shapes such as torus-like shapes. In an alternative embodiment, bonded windings are utilized which allow the segments to be formed without a bobbin or former. In yet another alternative embodiment, the aforementioned current sensing devices are stacked in groups of two or more. Methods of manufacturing and using the aforementioned current sensing apparatus are also disclosed. | 06-23-2011 |
| 20100026437 | CONDUCTIVE WINDING MODULE AND MAGNETIC ELEMENT HAVING SUCH CONDUCTIVE WINDING MODULE - A conductive winding module is used in a magnetic element. The conductive winding module includes multiple conductive units and multiple output terminals. The conductive units have respective hollow portions. The output terminals are arranged on the conductive units. The conductive units are folded with respect to a connecting line between the conductive units such that the hollow portions are aligned with each other to define a through-hole and the multiple output terminals are staggered to form at least three output terminals to be inserted into a circuit board. | 02-04-2010 |
| 20120306607 | CHIP-TYPE COIL COMPONENT - There is provided a chip-type coil component, including: a body formed by laminating a plurality of magnetic layers; external terminals formed on a surface of the body provided as a mounting surface among external surfaces of the body; a coil part including conductor patterns having a spiral structure in a lamination direction of the magnetic layers, the conductor patterns respectively formed on the magnetic layers; and lead-out parts formed in the lamination direction of the magnetic layers, and electrically connecting ends of the coil part and the external terminals, wherein the lead-out parts each include via conductors formed by penetrating the magnetic layers and via pads covering the via conductors while central lines of via conductors formed in adjacent magnetic layers are offset from each other. | 12-06-2012 |
| 20110304421 | Ventilation/Heat-Dissipating Structure for Inductor - An inductor includes a magnetic body and a conductive coil received in the magnetic body. The conductive coil receives a magnetic core. The conductive coil includes two terminals exposed outside of the magnetic body. A vent extends through the magnetic core and is spaced from the conductive coil. The vent extends through two opposite sides of the body, forming a path for ambient air. The magnetic body and the magnetic core are preferably integrally formed as a single and inseparable component of the same material. | 12-15-2011 |
| 20120038448 | Transformer and display device using the same - There is provided a transformer in which lead wires of a coil are disposed to be separated from each other so as to prevent a short-circuit between the lead wires. The transformer includes a winding unit having a plurality of partitions formed on an outer circumferential surface of a tubular body part; a base provided at one end of the winding unit and including at least one external connection terminal protruding outwardly; a coil wound on a bobbin and having a lead wire connected to the external connection terminal; and a core electromagnetically coupled with the coil to thereby form a magnetic path, wherein the bobbin includes at least one lead wire supporting portion protruding outwardly from the partitions, supporting the lead wire and guiding the lead wire to the external connection terminal. | 02-16-2012 |
| 20120038447 | TRANSFORMER INCLUDING HIGH VOLTAGE POLE AND ELECTRICAL CONNECTION TO LOAD - A transformer can be mounted on a circuit board. The circuit board includes a high-voltage line and a load. The transformer includes a bobbin used for winding a coil. The bobbin includes a first secondary area. A first secondary high voltage pole extends from the first secondary area. A first secondary high voltage pin is fixed on an end of the first secondary high voltage pole away from the first secondary area. The bobbin is made of an insulator. The first secondary high voltage pin is made of a conductor. The high voltage end of the coil is disposed on a top surface of the first secondary high voltage pole and electrically connected to the first secondary high voltage pin. The first secondary high voltage pole is capable of jumping across the high-voltage line to make the first secondary high voltage pin to electrically connect to the load. | 02-16-2012 |
| 20110102121 | SHEET TRANSFORMER FOR DC/DC CONVERTER - A sheet transformer includes a first core having central and lateral legs penetrating a coil on a circuit board, a plate-shaped second core positioned on an end of the first core, the cores being assembled into an integral piece and an air gap being formed between the central leg and the second core, and a fixing member for fixing the cores with respect to the coil. The fixing member has holder portions having claw portions for holding the lateral legs of the first core from a side of the second core respectively, a first spring portion extending from a side of the second core toward the circuit board, for bringing inner plane portions of the legs of the first core into contact with the coil, and a second spring portion for pressing positions of the second core which are opposite to the lateral legs. | 05-05-2011 |
| 20110156853 | REACTOR-USE COMPONENT AND REACTOR - A reactor-use component which provides improved workability in assembling into a reactor, and a reactor using the component are provided. The reactor-use component is for structuring a reactor including a coil | 06-30-2011 |
| 20120001713 | TRANSFORMER - There is provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner portion thereof, a flange part vertically protruding outwardly from both ends of the body part, and a terminal connection part protruding from one side of a lower flange part formed at a lower end of the body part and having external connection terminals connected thereto; a core inserted into the through-hole of the bobbin to thereby form a magnetic path; and a coil part including coils each wound around the plurality of bobbins, wherein the bobbin part includes an outer bobbin and an inner bobbin inserted into the through-hole of the outer bobbin to thereby be coupled thereto, and the terminal connection part of the inner bobbin protrudes in an outer diameter direction thereof. | 01-05-2012 |
| 20090243777 | MULTILAYER TRANSFORMER COMPONENT - A multilayer transformer component includes a chip body including a primary-side coil and a secondary-side coil, and first to fourth external electrodes. The primary-side coil includes a body portion, a first lead, and a second lead, and the secondary-side coil includes a body portion, a third lead, and a fourth lead. A first projection and a second projection of each body portion are arranged to lie substantially on a linear line. The first lead and the fourth lead are arranged to be line-symmetrical with respect to a center line which is arranged at an approximate center between respective distal ends of the first projection and the second projection, and which is perpendicular or substantially perpendicular to an overlying direction of the primary-side and secondary-side coils. The second lead and the third lead are also arranged to be line-symmetrical with respect to the center line. | 10-01-2009 |
| 20120013428 | STEP-DOWN AUTOTRANSFORMER FOR A POWER DISTRIBUTION SYSTEM WITH NON-LINEAR LOADS - A step-down autotransformer for a power distribution system with 1-phase non-linear loads according to the invention provides at least one output for each phase. In two-output embodiments the outputs in each output pair have a different voltage than the input voltage and are phase-shifted by 30 degrees to cancel or substantially reduce the 5 | 01-19-2012 |
| 20120019343 | COIL DEVICE - A coil device includes a first coil pattern, a second coil pattern, an insulating layer, a magnetic covering element and a number of conductive pillars. The second coil pattern is disposed above the first coil pattern, and is spaced apart from the first coil pattern. The insulating layer covers the first coil pattern and the second coil pattern and defines an opening surrounded by the first coil pattern and the second coil pattern. The magnetic covering element covers the insulating layer and extends into the opening. The conductive pillars are disposed within the magnetic covering element and are exposed from a bottom side of the magnetic covering element. A portion of the conductive pillars are electrically connected to the first coil pattern, and another portion of the conductive pillars are connected to the second coil pattern. The coil device can be easily manufactured. | 01-26-2012 |
| 20120112867 | CHOKE MODULE HAVING IMPROVED ARRANGEMENT OF MAGNETIC UNIT - A choke module ( | 05-10-2012 |
| 20090160593 | STRUCTURE FOR DRAWING OUT LEAD WIRES FROM A COIL DEVICE - To prevent an exposed conductor portion from breaking and to maintain connection state between lead wires and a wiring board even when a load is added to the lead wires under the condition that the lead wires for a coil device is connected to and retained on the wiring board. In a structure for drawing out lead wires from a coil device according to the present invention, for drawing a lead wire from a terminal pin of a coil device | 06-25-2009 |
| 20120206230 | LOW-LOSS CHOKE STRUCTURE WITH NO AIR GAP - A low-loss choke structure with no air gap includes a magnetic core unit, a coil and an insulator. The magnetic core unit has two magnetic cores. Each of the magnetic cores has a post. The coil has a wired portion. The wired portion has an input end and an output end. The two posts of the magnetic cores are respectively inserted into opposite sides of the wired portion and each have an end face contacting each other. The input end and the output end both are inserted into the insulator, which is arranged below the magnetic cores. There is no air gap between the two end faces of the two posts, thus lowering the eddy current loss, suppressing the noise generation, decreasing cost and size, and providing improved DC bias characteristics. | 08-16-2012 |
| 20120062348 | LAMINATED COIL - A laminated coil includes a laminate having substantially rectangular insulating layers and coil patterns that are alternately laminated and unified, through holes, a coil formed inside the laminate from the coil patterns connected to each other via the through holes, external electrodes, and an insulating film formed on the outer peripheral surface of the laminate. At least one of the through holes is partially exposed in the surface of the laminate and is formed in contact with one side of the outer edge of the insulating layer but out of contact with the other sides other than the one side. | 03-15-2012 |
| 20120154094 | TERMINAL ASSEMBLY FOR TRANSFORMER AND TRANSFORMER WITH TERMINAL ASSEMBLY - The invention relates to a terminal assembly ( | 06-21-2012 |
| 20110074535 | MULTILAYER COIL DEVICE - A multilayer coil device is formed by alternately stacking a plurality of insulating layers and a plurality of substantially spiral coil patterns. In the multilayer coil device, the number of turns of each of the substantially spiral coil patterns is more than one. Each of the substantially spiral coil patterns has a protrusion protruding toward a center of the substantially spiral coil pattern. The protrusion is located in a specific region where the number of coil pattern portions that cross a virtual line extending radially outward from the center of the coil pattern is smaller than that in another region of the substantially spiral coil pattern. The protrusion is provided as an additional part of a coil pattern portion that is closest to the center of the substantially spiral coil pattern in the specific region. | 03-31-2011 |
| 20120119865 | LOW PROFILE COIL-WOUND BOBBIN - A low profile coil-wound bobbin includes a spool, a terminal, a lower flange, and a terminal base member. The spool is configured to have a coil-wire arrangement wound around an axis the spool. The terminal is to be coupled to the coil-wire arrangement and a first side of a circuit board such that the axis of the spool is substantially normal to the circuit board and the bobbin extends completely through the circuit board. The lower flange is coupled to the spool to at least partially contain the coil-wire arrangement. The terminal base member is coupled to the lower flange and the terminal. A vertical member of the terminal base member includes a chamfer region on a top edge of the vertical member to guide and reduce stress on a wire end of the coil-wire arrangement. | 05-17-2012 |
| 20100245010 | TERMINAL STRUCTURE OF COIL DEVICE - A terminal structure of a coil device includes a coil having a rectangular conductive wire covered with a dielectric film, and a terminal having a fusing part. An end portion of the wire from the coil has first and second flat surfaces, and the fusing part is electrically connected to these flat surfaces by fusing. The fusing part includes a planar portion surface-contacting a first flat surface, and a folded piece folded in a direction perpendicular to a plane of the planar portion. The end portion is clamped between the planar portion and the folded piece. The folded piece includes a contact surface portion contacting a second flat surface. The contact surface portion includes a stepped portion that increases a deformation amount of a contact area of the second flat surface contacting the stepped portion, compared to an adjacent area of the second flat surface adjacent to the contact area. | 09-30-2010 |
| 20100214051 | COMPOSITE MAGNETIC DEVICE - To provide a composite magnetic device having characteristics of two magnetic elements, being capable of reducing a manufacturing cost, and preferably enabling the respective magnetic elements to easily exhibit the same characteristics. The composite magnetic device includes: a first core member which includes an outer tube portion having a tubular shape and a partition portion partitioning an inner space (P) of the outer tube portion into two inner spaces; second core members each including a first flange portion and a second flange portion, the second core members being arranged in a state in which a magnetic gap is formed at least between the partition portion and the second flange portion, and being arranged in each of the two inner spaces (P) on each side of the partition portion; coils each arranged on a spool portion present between the first flange portion and the second flange portion; and terminal members arranged on an outer peripheral surface of the outer tube portion and electrically connected to ends of the coils. | 08-26-2010 |
| 20120133470 | IGNITION COIL WITH CORE FORMED OF COMPRESSED POWDER - A primary coil of an ignition coil has a socket with a side wall having an opening, a center core having a body portion with a root located in the opening and a collar portion extending perpendicularly from the root, and a winding wound on the body portion while the socket catches start and end portions of the winding on respective winding start and end sides. The collar portion is held in the socket. The core is formed by compressing magnetic powder in two divided dies divided through dividing lines which extend along a diagonal line of a rectangle formed by projecting the collar portion on a plane perpendicular to a center axis of the core. The root on the diagonal line is exposed to the opening on the winding start side and is covered with the side wall on the winding end side. | 05-31-2012 |
| 20120133469 | TRANSFORMER - A transformer that improves the DC superposition characteristic without incurring eddy-current losses. In the transformer, a part of a plate-like core opposing a top face of a flange of a drum core is formed with a first opposing portion opposing none of input and output terminals and a second opposing portion opposing the input and output terminals. A first gap is formed between the top face and the first opposing portion by a spacer. A second gap greater than the first gap is formed by a recess of the plate-like core provided so as to correspond to the second opposing portion. This allows magnetic fluxes to pass between the top face and the first opposing portion where the gap is formed and inhibits them from passing between the plate-like core and the input and output terminals where the second gap greater than the first gap is formed. | 05-31-2012 |
| 20090058588 | WIRE WOUND ELECTRONIC PART - A wire wound electronic part includes a core having a wire wound core and flanges formed on both ends thereof, a coil conductor wound around the wire wound core and terminal electrodes disposed at the bottom of the flange, in which both ends of the coil conductor are conductively connected to the terminal electrodes by a solder, wherein a pair of grooves are formed at the bottom crossing the wire wound core of one of the flanges. The groove has a bottom and side walls disposed being slanted on both sides thereof, in which the vertical height for the side wall is formed larger than the length for the bottom of the side wall. The terminal electrodes are contained in the groove, and edge portion in the lateral direction of the terminal electrode is restricted by the side wall of the groove. The edge portion in the lateral direction of the terminal electrode is restricted by the side wall of the groove, which makes the lateral size stable and suppresses the movement of the molten solder in the lateral direction of the groove, thereby preventing unstable height and attitude of the wire wound electronic part upon mounting to a circuit substrate. | 03-05-2009 |
| 20120169446 | TRANSFORMER CAPABLE OF MAINTAINING HEIGHT - A transformer capable of maintaining its height is provided. The transformer is formed on a circuit board having a receiving hole. The transformer comprises a winding module, two magnetic core modules contacting and holding the winding module, a plurality of pins and at least one supporting means. The winding module comprises a winding baseboard and a winding pillar where a winding structure is formed thereon. The winding pillar is received in the receiving hole. Each of the pins comprises a first bent part separating the corresponding pin into a first portion connected to the winding baseboard and a second portion connected to the circuit board around the receiving hole. The supporting means is formed between the first portion of at least one of the pins and the circuit board to contact the first portion and the circuit board to maintain the distance between them. | 07-05-2012 |
| 20120212315 | MULTIPLE-LOOP SYMMETRICAL INDUCTOR - A symmetrical inductor includes an integrated circuit having a plurality of conductive layers. A first loop is disposed in an upper layer of the conductive layers, and at least two strapped loops are disposed in at least two layers of the conductive layers, respectively. The strapped loops are coupled in series to the first loop, and the at least two layers are below the upper layer. A second loop is disposed in the upper layer and is coupled in series to the at least two strapped loops. A first terminal electrode is coupled to the first loop, and a second terminal electrode is coupled to the second loop. A center-tap electrode is coupled to the at least two strapped loops. | 08-23-2012 |
| 20120212314 | POWER MODULE AND CIRCUIT BOARD ASSEMBLY THEREOF - A power module mounted on a system board comprises a printed circuit board having an extension part, at least one primary winding coil disposed on a first side of the extension part. The at least one primary winding coil is disposed at a primary side of the power module. The power module further comprises a PCB winding formed on the extension part at a secondary side of the power module, a first magnetic core assembly, and a connector. The first magnetic core assembly comprises a first magnetic part and a second magnetic part. The at least one primary winding coil and the extension part are enclosed between the first magnetic part and the second magnetic part. | 08-23-2012 |
| 20120299682 | SYMMETRIC DIFFERENTIAL INDUCTOR STRUCTURE - A symmetric differential inductor structure includes first, second, third and fourth spiral conductive wirings disposed in four quadrants of a substrate, respectively. Further, a fifth conductive wiring connects the first and fourth spiral conductive wirings, and a sixth conductive wiring connects the second and third spiral conductive wirings. The first and second spiral conductive wirings are symmetric but not intersected with one another, and the third and fourth spiral conductive wirings are symmetric but not intersected with one another. Therefore, the invention attains full geometric symmetry to avoid using conductive wirings that occupy a large area of the substrate as in the prior art and to thereby increase the product profit and yield. | 11-29-2012 |
| 20120182112 | TRANSFORMER - An improved transformer is disclosed. The transformer of the present invention includes a main body. The main body has a primary winding partition, several secondary winding partitions and two end portions. Several leads are disposed in either end portion. A sloped wire-guiding groove is provided in a vertical wall of the primary winding partition and may guide the winding in the primary winding partition. The width of the sloped wire-guiding groove is slightly greater than that of the wire to avoid the rupture of the wire. | 07-19-2012 |
| 20120188044 | MAGNETIC COIL ASSEMBLY - The present disclosure provides a magnetic coil assembly for suppressing the generation of broken wire in a coil as well as reducing a winding time, the magnetic coil assembly according to the present disclosure comprise a bobbin; a magnetic coil wound around the bobbin; a pair of terminals fixedly installed at the bobbin; a first coil fixing protrusion portion extended from the terminal to fix a starting end portion of a first coil half which is a half of the entire length of the magnetic coil; a second coil fixing protrusion portion extended from the bobbin to fix a starting end portion of a second coil half which is the remaining half of the magnetic coil, and fix an terminal end portion of the first coil half; and a third coil fixing protrusion portion extended from the terminal to fix a terminal end portion of the second coil half. | 07-26-2012 |
| 20120188045 | COIL COMPONENT - A coil component includes a core formed by a magnetic material, a coil embedded in the core, a part of a terminal portion of the coil protruded from a side surface of the core, and a tabular terminal, a part thereof protruded from the side surface of the core and partly connected with the protruded part of the terminal portion of the coil. The protruded part of the terminal portion of the coil and the protruded part of the tabular terminal are respectively bent toward the bottom surface side of the core along the side surface of the core, and the protruded and bent part o the terminal portion of the coil is arranged between the protruded and bent part of the tabular terminal and the core. | 07-26-2012 |
| 20100315190 | VERSATILE DISTRIBUTION TRANSFORMER - A versatile distribution transformer having an electromagnetic transformer and a power electronic module is provided. A pocket having connectors electrically connected to at least one winding structure of the electromagnetic transformer is mounted above the electromagnetic transformer. The power electronic module is removably mounted in a cavity of the pocket. The power electronic module includes a plurality of semiconductor switching devices and a plurality of connectors adapted to slidably engage the connectors of the pocket. The power electronic module is movable between a removed position, wherein the power electronic module is located outside the pocket, and an installed position, wherein the power electronic module is disposed in the cavity of the pocket and the connectors of the power electronic module engage the connectors of the pocket so as to electrically connect the power electronic module to the at least one winding structure. | 12-16-2010 |
| 20110121932 | Combination Wire Connector And Current Transformer - A transformer assembly for mounting a current transformer to an electrical apparatus. The generally toroidal current transformer senses electrical current in conductors of the electrical apparatus and has a housing. A mechanical lug for conductors of the electrical apparatus is mounted directly to the housing of the current transformer, within the central opening of the toroid. The mechanical lug has one or more conductor bores located within a main body of the mechanical lug for receiving respective conductor wires. | 05-26-2011 |
| 20110037553 | HIGH VOLTAGE TRANSFORMER WITH SPACE-SAVING PRIMARY WINDINGS - A high voltage transformer is described with an elongate core ( | 02-17-2011 |
| 20110037552 | POLYAMIDE COMPOSITIONS AND BOBBINS MADE THEREOF - The invention relates to a bobbin for an electrical coil comprising an plastic core made of an electrically insulating plastic material and to a polyamide composition that can be used as the electrically insulating plastic material in the bobbin, comprising a semi-crystalline semi-aromatic polyamide comprising units derived from aliphatic diamines consisting of a mixture of 10-70 mole % of a short chain aliphatic diamine with 2-5 C atoms and 30-90 mole % of a long chain aliphatic diamine with at least 6 C atoms; and units derived from dicarboxylic acids consisting of a mixture of 5-65 mole % aliphatic dicarboxylic acid and 35-95 mole % aromatic dicarboxylic acid comprising terephthalic acid, and wherein the combined molar amount of terephthalic acid and the long chain aliphatic diamine is at least 60 mole %, relative to the total molar amount of the dicarboxylic acids and diamines. The invention also relates to an electrical coil comprising the bobbin and an electrically conductive winding around the core of the bobbin. | 02-17-2011 |
| 20120274433 | COIL COMPONENT - A coil component has a magnetic core made of magnetic alloy, a coil having a spiral part placed around a pillar part of the magnetic core, a magnetic sheath formed on the magnetic core in a manner covering the coil except for the bottom face of the magnetic core, and a first external terminal and a second external terminal formed on the magnetic core and magnetic sheath, where the parts of the magnetic sheath covering the areas around the spiral part of the coil are thicker than the parts covering the top face of the spiral part. | 11-01-2012 |
| 20100231343 | CENTER-TAPPED TRANSFORMER - A center-tapped transformer includes tubular first and second spools, a primary winding unit, and first and second secondary winding units. The first spool has a first surrounding wall, a first pin-mounting wall, and a first pin set mounted on the first pin-mounting wall. The second spool has a second surrounding wall, a second pin-mounting wall, and a second pin set mounted on the second pin-mounting wall. The second surrounding wall has an inner diameter larger than an outer diameter of the first surrounding wall. The primary winding unit is wound on one of the first and second surrounding walls. The first and second secondary winding units are wound on the other one of the first and second surrounding walls. | 09-16-2010 |
| 20100231342 | CENTER-TAPPED TRANSFORMER - A center-tapped transformer includes a spool, a first primary winding unit, and first and second secondary winding units. The spool has a surrounding wall defining a spool axis, and a partition plate unit extending in radial outward directions from the surrounding wall so as to divide the spool into axially extending first and second spool parts. The partition plate unit cooperates with the surrounding wall to define at least one notch. The first primary winding unit surrounds the first spool part and passes through the notch to surround the second spool part. The first and second secondary winding units are disposed on one side of the first primary winding unit and surround the first and second spool parts, respectively. | 09-16-2010 |
| 20110273257 | EDGEWISE COIL AND INDUCTOR - An edgewise coil achieves positioning of both end portions and accurate and reliable conduction with respect to a circuit board in a simple configuration, and can be downsized. The edgewise coil is usable in a conductor. The edgewise coil includes a base material and a coil member fixed at both end portions to the base material and including an external wound-wire portion placed on the base material and an internal wound-wire portion extending in the base material. | 11-10-2011 |
| 20120280778 | Inductor having different currents for different loads - An inductor includes a base device having a channel, a conductive device having a conductive element engaged into the channel of the base device and having two terminals, and a top device attached onto the base device and engaged with the base device, the top device includes two or more top members engaged with each other. The conductive device includes two side elements extended from the conductive element for engaging onto two end portions of the base device, and the terminals of the conductive device are extended from the side elements of the conductive device respectively. The base device includes a slot for receiving or engaging with the terminals of the side elements. | 11-08-2012 |
| 20130015933 | TRANSFORMERAANM YEN; Chun-ChingAACI Taoyuan HsienAACO TWAAGP YEN; Chun-Ching Taoyuan Hsien TWAANM Huang; Yu-JenAACI Taoyuan HsienAACO TWAAGP Huang; Yu-Jen Taoyuan Hsien TW - A transformer includes a base, a magnetic core unit and a winding assembly. The base includes a base body and a pin disposed on the base body. The magnetic core unit is disposed in the base body, and the winding assembly is disposed in the magnetic core unit. A winding of the winding assembly is connected to the pin. | 01-17-2013 |
| 20120242446 | INTEGRATED CIRCUIT INDUCTOR HAVING A PATTERNED GROUND SHIELD - An inductor structure can be implemented within a semiconductor integrated circuit (IC). The inductor structure can include a coil of conductive material having a first terminal and a second terminal each located at an opposing end of the coil. The inductor structure can include a patterned ground shield including a plurality of fingers implemented within an IC process layer located between the coil of conductive material and a substrate of the IC. The inductor structure also can include an isolation wall formed to encompass the coil and the patterned ground shield. The isolation wall can be coupled to one end of each finger. | 09-27-2012 |
| 20120249280 | POWER CONVERTER USING SOFT COMPOSITE MAGNETIC STRUCTURE - A power conversion device includes a magnetic core; and a plurality of windings surrounding portions of the magnetic core, including a first winding and a second winding magnetically coupled through the magnetic core. The magnetic core comprises a first part formed of a first material and a second part formed of a second material, the first material having a first stiffness and the second material having a second stiffness substantially less than the first stiffness. The first winding and the second winding are magnetically coupled through the first part of the magnetic core. | 10-04-2012 |
| 20130113592 | MAGNETIC ELECTRICAL DEVICE - A magnetic component and a method for manufacturing a low profile, magnetic component. The method comprises the steps of providing at least one sheet, coupling at least a portion of at least one winding to the at least one sheet, and laminating the at least one sheet with at least a portion of the at least one winding. The magnetic component comprises at least one sheet and at least a portion of at least one winding coupled to the at least one sheet, wherein the at least one sheet is laminated to at least a portion of the at least one winding. The winding may comprise a clip, a preformed coil, a stamped conductive foil, or an etched trace using chemical or laser etching. The sheet may comprise any material capable of being laminated and/or rolled, including, but not limited to, flexible magnetic powder sheets. | 05-09-2013 |
| 20130099886 | HIGH CURRENT MAGNETIC COMPONENT AND METHODS OF MANUFACTURE - Magnetic components including pre-formed clips are described that are more amenable to production on a miniaturized scale. Discrete core pieces can be assembled with pre-formed coils and physically gapped from one another with more efficient manufacturing techniques. | 04-25-2013 |
| 20130113591 | MAGNETIC ELECTRICAL DEVICE - A magnetic component and a method for manufacturing a low profile, magnetic component. The method comprises the steps of providing at least one sheet, coupling at least a portion of at least one winding to the at least one sheet, and laminating the at least one sheet with at least a portion of the at least one winding. The magnetic component comprises at least one sheet and at least a portion of at least one winding coupled to the at least one sheet, wherein the at least one sheet is laminated to at least a portion of the at least one winding. The winding may comprise a clip, a preformed coil, a stamped conductive foil, or an etched trace using chemical or laser etching. The sheet may comprise any material capable of being laminated and/or rolled, including, but not limited to, flexible magnetic powder sheets. | 05-09-2013 |
| 20130113590 | INDUCTIVE COMPONENT AND MANUFACTURING METHOD THEREOF - An inductive component includes: a ferromagnetic core; a coil made of aluminum and having a winding portion wound around the ferromagnetic core for a predetermined number of turns, and two extending portions extending respectively from two ends of the winding portion; and two terminals made of copper. Each terminal wraps around a respective one of the extending portions. | 05-09-2013 |
| 20130135073 | TRANSFORMER - A transformer is provided having good workability during production and good connection of the secondary main coil and the primary supportive coil. The transformer has a bobbin with a base part and first hollow cylinder part with a first through hole and a core projecting in a first positive direction from said base part, and a case having an upper collar part formed with a primary main coil wound around said first hollow cylinder part, a second through hole leading to said first through hole, and a second hollow cylinder part formed at the outer peripheral face. Said primary main coil is housed and projects in a first negative direction from said upper collar part. A lower collar part opposes said base part by extending approximately parallel to said mounting face. The primary supportive coil and secondary main coil are wound around said first and second sections, respectively. | 05-30-2013 |
| 20130141204 | VERTICAL TRANSFORMER - A vertical transformer comprising a core provided with a middle leg installing a first and a second coils, a side leg, a first connection part connecting an end of the middle leg and that of the side leg, and a second connection part connecting the other end of the middle leg and that of the side leg, a first bobbin provided with a first hollow cylinder where at least either the first or the second coil is wound, and a core on-board face connected to an end of the first hollow cylinder, and an adhesive hardened part connecting a connection side face, and the core on-board face, and formed by hardening an adhesion, wherein the core on-board face is provided with a positioning part positioning the connection side face, and a positioning projection, is formed on both sides of the first connection part. | 06-06-2013 |
| 20130147590 | FLEXIBLE MAGNETIC FIELD COIL FOR MEASURING IONIC QUANTITY - A flexible magnetic coil for determining ion migration rates inside a vacuum device can include a plurality of insulated copper wires held together as a bundle. A positive pole can be connected to a first end of the bundle for receiving a positive DC voltage. A negative pole can be connected to a second end of the bundle for completing a circuit with the positive pole. A DC voltage ranging from ten volts to four thousand volts from a power supply can be connected to the positive pole, the negative pole, or combinations thereof. The bundle can be a loop and can form a circuit when the DC voltage is applied to the loop. The bundle can create a flexible electromagnetic field of at least one Gauss around the vacuum device using a calculation of a number of turns of insulated copper wire multiplied by applied DC current. | 06-13-2013 |
