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Document Title |
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7623014 |
Choke coil
In one embodiment, a choke coil has a magnetic core, a coil, and magnetic material. The core has a first permeability which is from about 350 to 1200. The coil is wrapped around the core. The...
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7612641 |
Simplified surface-mount devices and methods
A low cost, low profile, small size and high performance electronic device for use in, e.g., electronic circuits where a transformer, inductor, or mixer is required. In one exemplary embodiment,...
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7609140 |
Molded body
There is provided a molded body having high fixing strength between a magnetic mold material and an external electrode. The molded body uses the magnetic mold material comprising at least 65 vol %...
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7598837 |
Form-less electronic device and methods of manufacturing
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...
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7573364 |
Coil unit
A coil unit including an annular toroidal core, two coils wound over the toroidal core providing a bifilar winding, a winding-start positioning part, and a winding-end positioning part. The...
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7564335 |
Transformer hook mount
A transformer comprises a core formed by laminations, each having a rectangular plate with two spaced windows for receiving a set of coils passing through the windows in turn; a dielectric bobbin...
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7551053 |
Coil device
A coil apparatus that can increase mechanical strength of terminal portions and assure sufficient impact resistant properties and vibration resistant properties even in an application in a severe...
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7528693 |
Transformer and starting device having a transformer, and high pressure discharge lamp having a transformer
The invention relates to a transformer for generating a starting voltage for a high-pressure discharge lamp having a ferrite core and at least one primary winding as well as at least one secondary...
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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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7498917 |
Encapsulated transformer
A transformer comprises a core formed by laminations, each having a rectangular plate with two spaced windows for receiving a set of coils passing through the windows in turn; a pair of terminal...
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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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7492246 |
Winding structure of transformer
The present invention discloses that a primary and a secondary winding coil are respectively wound around the core and are separated by an insulating layer; and the secondary winding coil has a...
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7477122 |
Loop type coil parts
One inventive aspect relates to a low back type loop type coil part which may facilitate confirmation of quality of soldering. The loop type coil part comprises a core including a spool arranged...
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7471179 |
Coil component
Each terminal electrode has a welded portion at which each end portion of a conducting wire is electrically connected to each terminal electrode upon laser welding. The conducting wire is provided...
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7463130 |
Inductance element
An inductance element ( 10 ) according to the present invention includes: a drum core ( 20 ) provided with an upper flange portion ( 21 ), a lower flange portion ( 23 ), a columnar leg portion ( 22...
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7456718 |
Wire-arranging pin and winding frame and transformer having same
A wire-arranging pin is mounted on a winding frame for facilitating fixing an outlet part of a winding coil. The winding coil is wound around the winding frame. The wire-arranging pin includes a...
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7456717 |
Electrical pin-type connector
In accordance with various embodiments of the present disclosure, an electrical connector is provided. The electrical connector includes an electrically conductive pin extending from a base of the...
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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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7446637 |
Parent-child leadframe type transformer
A parent-child leadframe type transformer includes a ferrite core module, a child leadframe and a parent leadframe. The parent leadframe has a first opening and a second opening on both ends. The...
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7420450 |
Apparatus for providing supervisory signal for a solenoid
There is provided an electric solenoid for a building fire suppression system that provides a supervisory or warning signal when the solenoid is removed from its service location. The primary coil...
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7411477 |
Inductor
An inductor using a rectangular wire wound in an axial direction roughly parallel with a mounted substrate, and enabling an increase in connection strength in mounting. The inductor ( 10 )...
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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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7392581 |
Method for manufacturing a magnetic element
A plate member includes a frame portion ( 51 ) provided in a state of coupling both one end portion and other end portion and mounting terminal portions ( 44 ) protruding from the one end portion...
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7373715 |
Method of adjusting a characteristic of wire-wound type chip coil by adjusting the space between conductive wires
A wire-wound type chip coil can take various inductance values while maintaining its outer dimension at a specified fixed value. A chip coil is formed by winding at least two conductive wires...
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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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7358841 |
Core and inductor having the core
The present invention prevents poor contact of a core and an inductor with a substrate as well as improves the strength of attachment of such core and inductor to the substrate. A core mounted on a...
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7355500 |
Attachable rod ignition coil
The invention relates to an attachable rod ignition coil comprising an ignition coil part and an adapter provided with an ignition plug receiving element for fixing the adapter to an ignition plug....
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7327212 |
Plate member, magnetic element using the same, and magnetic element manufacturing method
A plate member includes a frame portion ( 51 ) provided in a state of coupling both one end portion and other end portion and mounting terminal portions ( 44 ) protruding from the one end portion...
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7310038 |
Electromechanical device for selecting coil voltage and locking the coil in place
A system for selecting coil voltage in an electrical device comprises a housing and a coil in the housing having a plurality of windings. Each winding has a pair of pins. A slider supports a...
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7305751 |
Electrical contact between thin varnished wires of the secondary winding of an ignition coil
An electrical connection set-up for manufacturing an ignition coil is provided, which includes, on the side of the low-voltage outlet, a contact spring which is installed by being lifted over...
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7301429 |
Multiple frequency inductive resistivity device
In one aspect of the present invention, an induction resistivity tool incorporated into a downhole tool string component comprises an annular radial recess disposed along an outside surface of a...
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7295093 |
Internal combustion engine ignition coil apparatus
An internal combustion engine ignition coil apparatus includes: a case; a center core disposed in the case; a primary coil and a secondary coil disposed outside the center core inside the case; a...
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7277001 |
Coil-embedded dust core
A coil-embedded dust core of the present invention is provided with a molded coil component including a coil main body having a structure in which a flat type conductor wire is wound edgewise, one...
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7274282 |
Transformer
The present invention relates to a transformer. In the transformer, secondary winding sections are placed in both sides of a primary winding section, all terminals of the secondary winding sections...
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7271692 |
Slider for selecting coil voltage and locking the coil in place
A system for selecting coil voltage in an electrical device comprises a housing and a coil in the housing having a plurality of windings. Each winding has a pair of pins. A slider supports a...
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7268659 |
Micro electric power converter
A thin film magnetic induction element includes a ferrite substrate, a coil provided across the ferrite substrate and including connection conductors and coil conductors, and terminals provided on...
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7268656 |
Voltage-controlled rectifier for motor vehicle
A voltage-controlled rectifier is disclosed to include a circuit board, which has a circuit electrically connected to the positive and negative terminals of the car battery of a car, a capacitor...
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7256673 |
Coil assembly including common-mode choke coil
A coil assembly for reducing variations in characteristic impedance includes a winding section having a first surface and a second surface on the opposite side of the winding section from the first...
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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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7224253 |
Assembling structure of field coil
The present invention relates to an assembling structure of field coil, which has a simple mounting structure for a diode and a resistor to cut an off-noise of an electromagnetic clutch and to...
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7219417 |
Method of producing bus bars for centralized power distribution unit
To produce bus bars, a conductive metal plate is stamped out into a plurality of strips simultaneously by press molding. Each strip has a tab having an L-shaped cross-section defined by a curved...
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7199693 |
Choke coil and electronic device using the same
The choke coil disclosed comprises: coils incorporated with terminals and intermediate taps manufactured of die cut metal plates; and a magnetic powder in which the coils are embedded.
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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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7167068 |
Transformer
A transformer has a bar-shaped ferrite core, an inner winding wound directly around the ferrite core, an outer winding wound over the inner winding, and a dielectric shield surrounding the outer...
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RE39453 |
Low profile inductive component
A low profile inductive component in accordance with the disclosure set forth here comprises a low profile body having spread apart soldering pads for electrically and mechanically attaching 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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7151427 |
Sealed-off switchgear
A switchgear, especially for actuating valves, includes a housing ( 18 ) and a coil body ( 10 ) disposed in the housing. A switch element is guided in the coil body. The coil body is provided with...
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7148781 |
Landscape lighting transformer having increased loading features
A transformer for low-voltage applications such as landscape lighting, comprising a primary winding and a secondary winding inductively coupled to the primary winding, the primary winding adapted...
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7142083 |
Electronics component and method for fabricating same
An electronic component for mounting on a mating component. The electronic component includes a case and a plurality of electrical contacts. The case is fabricated from an electrically insulative...
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7138895 |
Field coil assembly for an electromagnetic clutch for a compressor
The present invention relates to a field coil assembly of an electromagnetic clutch for a compressor, in which a coil wire of an electromagnetic coil body exposed to a protrusion of a bobbin is...
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