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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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