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7639111 High voltage transformer for backlight power source  
A high voltage transformer for a backlight power source includes a windings base, a core and windings, the windings base having isolating walls disposed exterior thereto through which a primary...
7633367 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...
7612642 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...
7612644 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...
7612643 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...
7570143 Method for winding a coil, a winding form, and a coil  
A method, in at least one embodiment, is disclosed for winding a coil onto a winding form including a first part, a second part, and a step between the first part and the second part, the first...
7567164 Transformer having reduced size, safety insulation and low leakage inductance  
A transformer. The transformer includes a first conductor plate, a second conductor plate, a plate positioning member, an insulated wire, and a magnetic core. The second conductor plate is spaced...
7538651 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...
7528694 Transformer and core set thereof  
A transformer. The transformer comprises a bobbin, a first core and a second core. The bobbin comprises a primary winding area and a secondary winding area. The first core is disposed in the...
7515026 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. A primary winding coil is wound on the first bobbin piece. The second...
7495539 Filament transformer for X-ray tubes  
The present invention provides an in-line filament transformer for a vacuum device. The filament transformer comprises: a core; a primary winding and a secondary winding wound around the core,...
7487767 Ignition coil for use in engine and engine having plastic cylinder head cover  
A long and narrow shape independent ignition type ignition apparatus has a long and narrow shape center core for an internal combustion engine. At least one of magnet member and a rubber material...
7459999 Variable-diameter electromagnetic coil  
The present disclosure relates to a variable diameter electromagnetic coil. The coil may include a coil winding containing inner and outer winding layers. The coil may incorporate a first hub...
7456719 Inverter transformer  
An inverter transformer for lighting multiple discharge lamps is provided which has a plurality of output voltages including reversed polarity output voltages while ensuring a reliable insulation...
7449986 Planar coil component, method for winding end connection thereof and resonance transformer  
A planar coil component includes terminal metal fittings that include a crimping part, a terminal part, and a junction, and a bobbin on which a winding is wound. The bobbin has a terminal board...
7446642 Inductor  
An inductor includes a bobbin, a first winding, a second winding, a core set and a magnetic element. The first and second windings are respectively wound around the bobbin and separated by a...
7443277 Coil component  
A coil component including a flanged core having a flange portion on at least one end portion of winding core, a coil that is wound around the winding core, a bottomed cylindrical cup-shaped core...
7439838 Transformers and winding units thereof  
Transformers are provided. A transformer comprises a ferromagnetic core unit; a bobbin coupled with the ferromagnetic core unit; at least a winding unit as a primary winding and at least a plate as...
7429908 Coil form  
A coil form for forming an inductive element ( 10 ) includes a coil body ( 2 ) and at least one, for example three separating plates ( 3 ). The coil body ( 2 ) has an opening ( 4.1 ) and includes...
7423510 Transformer with high sustain voltage and driving device using the same for driving light source module  
A transformer ( 10 ) with high sustain voltage includes a first bobbin ( 125 ), a second bobbin ( 126 ), a core assembly ( 127 ), and an insulating frame ( 128 a ). The first bobbin defines a first...
7411479 Inductive coil assembly  
An inductive coil assembly having multiple coils arranged at distinct orientations to provide efficient inductive coupling of power or communications or both to a device when the device is arranged...
7408436 Coil and bobbin for coil  
A bobbin has a bobbin body capable of fitting into the inside of a winding, and a protrusion protruding from the outer peripheral surface of the bobbin body and capable of intervening between...
7397338 Inductor  
In substrate-mounting type inductor having a winding having conductivity, a core on which the winding is winded, and a terminal portion arranged at an end of the winding, a recessed portion which...
7397337 Winding base structure of transformer  
An improved winding base structure of a transformer is assembled by combining a primary-side winding base and a secondary-side winding base. The selection of the material of the primary-side...
7391294 Electrodynamic machine  
A winding for a toroidal electrodynamic machine is formed by providing a set of bobbins in a rectilinear array, winding the bobbins so that each phase is of one continuous wire, with each set of...
7382221 Coil  
The differences in characteristics among parts or the fluctuations of the inductance value of a coil due to temperature variation is lessened by reducing the stray capacitance components induced...
7378932 Reduced size high-frequency surface-mount current sense transformer  
A current sense transformer is provided for which includes a bobbin; the bobbin includes a winding portion for supporting a coil of wire. The winding portion includes a horizontal substantially...
7372351 Radial lead type inductor  
A radial lead type inductor is disclosed. The trailing wire of the winding extends from the inner side of the other collar, which faces against the one collar, to the outer side of the collar...
7365630 Low magnetic leakage high voltage transformer  
Disclosed is a low magnetic leakage high voltage transformer in which two winding brackets are mounted in an electrically insulative holder frame to hold two primary windings and two secondary...
7345565 Transformer structure  
A transformer is disclosed to include two bobbin, each bobbin having a primary side and a secondary side respectively holding a primary winding and a secondary winding, two first ferrite cores...
7342478 Structure for high voltage bearable transformers  
A structure for high voltage bearable transformers is used to electrically connect with backlight driving circuits of liquid crystal display devices. The structure for high voltage bearable...
7301425 Pancake type bifilar winding module using high-tc superconducting wire and bobbin for winding therefor  
The present invention discloses a pancake-type bifilar winding module using a superconducting wire and a winding bobbin therefor. The pancake-type bifilar winding module includes (a) a bobbin...
7271690 High current long life inductor  
An inductor for high current applications includes a nonconductive, tubular form which defines a tube axis and has a cylindrical outer surface. The outer surface is formed with a groove that...
7271694 Structure of transformer  
A transformer includes a first winding member, a second winding member, a primary winding coil, a secondary winding coil and a magnetic core assembly. The first winding member has a first channel...
7239224 Ignition coil having center core  
An ignition coil includes a primary coil, a secondary coil, a spool, and a center core. The primary coil and the secondary coil are arranged substantially coaxially with each other. The secondary...
7236079 Transformer bobbin for preventing excitation peak voltage insulation damage  
A transformer bobbin for preventing excitation peak voltage insulation damage that is applicable for application in cold cathode tube resonant inverters or backlight modules, wherein such...
7215234 Tap-off transformer  
A tap-off transformer includes a coil base, a core and wires. The coil base has isolating walls placed outside and using isolating walls to form a first winding slot on a primary side area and a...
7199694 Isolated dual-channel transformer  
An isolated dual-channel transformer is provided, which comprises: a bobbin with a primary coil-winding portion and two secondary coil-winding portions, for coiling a winding; an insulating cover...
7196609 Transformer winding structure  
A transformer winding structure includes a primary winding rack and at least two secondary winding racks connected with the primary winding rack. The primary winding rack is comprised of a primary...
7193497 Ignition coil  
An ignition coil. The ignition coil includes a casing, a bobbin, and a core. The bobbin includes a body, a primary coil surrounding the body, a secondary coil surrounding the body, a plurality of...
7187262 Plastic sealing of solenoid bobbins  
A method and apparatus for overmolding a plastic shroud onto a bobbin including the step of providing a protrusion ring on the surface of the bobbin surrounding each standoff between the bobbin and...
7183889 High-voltage transformer  
A high-voltage transformer 11 is provided with first and second bobbins 21 A, 21 B wound with primary windings 45 A, 45 B and secondary windings 46 A, 46 B respectively, I-shaped first and...
7180398 Coil former for an electromechanical actuator  
The invention provides a coil former for an electromechanical actuator with a U-shaped yoke, having a base arranged between two limbs and forming a coil core. The coil former comprises a bobbin...
7176777 Transformer and lamp driving system utilizing the same  
A transformer includes a bobbin, a first magnetic core, a first and a second coils and a second magnetic core. The first magnetic core is disposed in the bobbin. The first coil and the second coil...
7167069 Coil bobbin and transformer  
A coil bobbin for preventing coil lead wires to terminal pins from being loosened, and a transformer employing such coil bobbin. The coil bobbin made of a thermosetting resin is provided with a...
7154366 Bobbin module of transformer  
A bobbin module of transformer is provided. The bobbin module includes two bobbins. Each of the bobbins comprises a body, an indentation and a hooker. The body has a lateral surface on which the...
7154365 Apparatus for fixing bobbin to printed circuit board for use in transformer  
An apparatus for fixing a bobbin to a printed circuit board for use in a transformer includes a receiving hole formed in the printed circuit board, a size of which is minutely larger than that of...
7142079 Transformer structure  
A transformer structure is proposed herein which includes a primary winding coil, a secondary winding coil, a bobbin module, and a magnetic core assembly. The magnetic core assembly is mounted...
7129813 Wound-rotor transformer and power source device using said wound-rotor transformer  
A small size wound rotor transformer having a simple structure, wherein the primary winding ( 32 ) is mounted on the central portion of a bobbin (insulator) ( 2 ), and the first and second...
7129809 Surface mount magnetic component assembly  
A planar magnetic device comprising a molded header and a planar core assembly, and a method of making a planar magnetic device. The molded header has first, second, third, and fourth sides and an...