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7527744 |
NiCuZn-base ferrites and electronic parts using the same
An NiCuZn-base ferrite of the invention comprises as main components an iron oxide in an amount of 45.0 to 49.0 mol % on Fe 2 O 3 basis, an copper oxide in an amount of 5.0 to 14.0 mol % on CuO...
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7498922 |
Self-damped inductor
An inductor with self-damping properties for use in multiple applications including for high power broadband frequency applications is provided by a coil having an input end and an output end and...
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7449843 |
Transformer for driving multi-lamp and backlight module thereof
A transformer for driving multi-lamps and a backlight module thereof are provided. The transformer comprises a primary winding, a secondary winding, a core, a first bobbin and a second bobbin. The...
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7378036 |
Ferrite material and electronic component using the same
A ferrite material of the present invention is configured such that 0.05 to 1.0 wt % of bismuth oxide in terms of Bi 2 O 3 , 0.5 to 3.0 wt % of tin oxide in terms of SnO 2 , and 30 to 5000 wt ppm...
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7336148 |
Structure of inductor
An improved structure of inductor includes a C-shaped core and a prismatic strut core. The C-shaped core has two extended portions and a side portion that has its two ends connected to a fixed end...
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7256678 |
Magnetically controlled inductive device
A controllable inductor, comprising first and second coaxial and concentric pipe elements, where said elements are connected to one another at both ends by means of magnetic end couplers, a first...
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7161458 |
Electromagnetic device having independent inductive components
A multi-port electromagnetic device comprises a first magnetic core having a first closed flux path and a second magnetic core having a second closed flux path, with the first closed flux path...
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7132812 |
Integrated DC link choke and method for suppressing common-mode voltage in a motor drive
A motor drive and a choke therefor are disclosed, wherein the choke comprises a magnetic core with an inner leg and two outer legs, and four coils, which may be connected in DC current paths in the...
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7115845 |
Superheated steam generator
A superheated steam generator of an electromagnetic induction type includes: a conduit, which provides a passageway of generated steam; a superheating tank, which is part of the conduit midway...
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7091818 |
Noise suppressor unit for a power source module
The invention relates to a noise suppressor unit for installing a common mode choke for a noise suppressor in a power source module onto a circuit board of the power source module, the module being...
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7061355 |
Ferrite core, CATV equipment and bi-directional CATV system
A ferrite core for use in coupling transformers and distributing transformers in CATV equipments such as couplers, distributors and amplifiers, the ferrite core being made of a ferrite having a...
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7042169 |
Gas discharge lamp base comprising an ignition device
A description is given of a gas-discharge lamp base ( 11 ) with a housing comprising an upper part ( 10 ) and a cover ( 40 ), a support ( 16 ) accommodated in the housing for receiving the...
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7002333 |
Process and device for compensating the low frequency magnetic field in an inductive signal coupling unit
Process and device for compensating the low frequency magnetic field in an inductive signal coupling unit. According to the invention the coupling unit comprises a ferromagnetic core ( 30 ) which...
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6987372 |
Integrated DC link choke and method for suppressing common-mode voltage in a motor drive
A motor drive and a choke therefor are disclosed, wherein the choke comprises a magnetic core with an inner leg and two outer legs, and four coils, which may be connected in DC current paths in the...
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6985063 |
Transformer core
A transformer core that can realize a winding having a fractional number of turns. At least one of the two side posts of the transformer core has a trench or a through hole. The winding on the side...
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6937130 |
Magnetic field production system, and configuration for wire-free supply of a large number of sensors and/or actuators using a magnetic field production system
A magnetic field production system is proposed and has a two-dimensional winding configuration with two windings. The windings are disposed essentially orthogonally with respect to one another and...
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6919788 |
Low profile high current multiple gap inductor assembly
An inductor assembly includes a coil or coils of insulated conductor material defining an inside volume, an inner core of magnetic core material located within the inside volume, and an outer core...
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6905629 |
Mn-Zn ferrite, transformer magnetic core and transformer
An Mn—Zn ferrite wherein 0 to 5000 ppm of a Co oxide in a Co 3 O 4 conversion is contained in a basic component constituted by Fe 2 O 3 : 51.5 to 57.0 mol % and ZnO: 0 to 15 mol % (note that 0...
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6879236 |
Noise suppressor unit
The invention relates to a noise suppressor unit ( 1 ) for installing and mounting a common mode choke for a noise suppressor onto a circuit board ( 3 ). The noise suppressor unit ( 1 ) comprises a...
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6876161 |
Transformer for cathode tube inverter
A transformer for cathode tube inverter. The transformer includes an iron core assembly having first, second, third and fourth iron cores, each having a U-shape, and a first wire rack having a...
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6867676 |
Transformer
The present invention is a kind of a transformer, equipped with a wire-winding flute on a wire-winding unit that has surrounding grooves added to each end, and adding plug pins to the for sides of...
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6850143 |
Flyback transformer
A flyback transformer has a winding portion. The winding portion includes a low-voltage bobbin, a high-voltage bobbin, low-voltage winding, and high-voltage winding, each of which having a...
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6847280 |
Shielded inductors
An inductor includes a core, a coil disposed about the core, and a shield. The shield and the core are connected to each other so that a closed magnetic loop is formed. The core may be a single...
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6801113 |
Proximity sensor with improved positioning accuracy for detection coil peripheral members
A proximity sensor according to the present invention includes protrusions that are provided on a wire-winding drum of a coil spool around which a lead wire of a detection coil is wound, that...
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6791447 |
Configuration for producing electrical power from a magnetic field
A configuration for producing electrical power from a magnetic field includes a three-dimensional winding configuration formed from a central core of a magnetic material on which at least three...
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6769169 |
Method of fabricating a core for a transformer
To provide a technology capable of restraining direct current magnetic deviation in a transformer without providing a gap in a core, an axis of easy magnetization is provided in a second direction...
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6734778 |
Module for matrix transformers having a four turn secondary winding
Four metal foil windings can be bonded to the inside of a magnetic core, each in a 90 degree helix. Very simple direct and straight connections can connect the windings to the windings of another...
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6724288 |
Transformers tube type
A ferromagnetic tube, with an electric current passing through a conductor coiled on the outside of the tube, will produce a magnetic field on the inside of said tube when the tube is long relative...
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6717372 |
Multi-lamp driving system
A multi-lamp system for driving a lamp set having a first lamp and a second lamp comprises a driving circuit for converting a DC signal to an AC signal, a transformer having a primary side coupled...
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6707365 |
Electromagnetic coupling apparatus
An electromagnetic coupling apparatus includes a ring case, a coil and a connector. The ring case has an annular groove. The coil is an electrical wire and is disposed in the annular groove of the...
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6690164 |
Perpendicular detection fluxgate micromagnetometer and method for the production thereof
A fluxgate micro-magnetometer with perpendicular detection and a process of realization thereof. A ferromagnetic core is perpendicular to a substrate. The axes of excitation coils and pick-up coils...
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6624596 |
Device for lighting discharge lamp
The discharge lamp lighting device according to the present invention is provided with a high-voltage generating transformer which comprises a core, a secondary winding part disposed in a plurality...
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6617948 |
Pot-core components for planar mounting and method of manufacturing the same
A coil component is provided which includes a pot core having a bottom in which through holes are formed, a composite coil retained in the pot core, and a cover core joined to the rim of the pot...
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6611191 |
Transformer
To provide a technology capable of restraining direct current magnetic deviation in a transformer without providing a gap in a core, an axis of easy magnetization is provided in a second direction...
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6593837 |
Transformer apparatus
A transformer apparatus comprises a core member including a base portion, a center core portion and at least three side core portions fixed on peripheral parts to stand thereon. The transformer...
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6591482 |
Assembly methods for miniature circuit breakers with electronics
The present invention provides an apparatus for use in arcing fault detection systems within circuit breakers and which is adapted for automated production by top-down assembly. In one embodiment,...
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6538239 |
Induction heating device for metal pieces
A magnetic heating device comprising three electrical coils, each coil being wound around a respective magnetic yoke having a gap therein, the three yokes being arranged such that the gaps are...
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6509821 |
Lumped element microwave inductor with windings around tapered poly-iron core
A microwave inductor including a coil with windings tapered from a first end of the coil to a second end of the coil to reduce resonant loss glitches found in conventional inductors which have...
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6492891 |
Transformer device, high voltage generating apparatus having the same, and lighting system having them
A transformer device includes a housing made of a dielectric material, a core received within the housing, a secondary coil wound around an outer peripheral surface of the core, a high-voltage...
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6388380 |
Electric discharge lamp lighting unit
An electric discharge lamp lighting device wherein a high voltage generating transformer 10 comprises a secondary coil 13 wound on an outer side of a laminated core 12 disposed in the center...
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6377150 |
Apparatus and method for facilitating heat dissipation in an electrical device
An apparatus is disclosed for facilitating heat dissipation in an electrical device hat includes a core structure traversing a substrate when the core structure is in an installed orientation. The...
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6366034 |
Electric current variable-type inductor having closed loop characteristics and a horizontal linearity compensation circuit
A current variable inductor having closed loop characteristics and a horizontal linearity compensation circuit. The current variable inductor having the closed loop characteristics is constructed...
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6366023 |
Starter modules for motor vehicle headlight discharge lamps
A starter module for a discharge lamp, especially for a motor vehicle, includes a high tension transformer which has a magnetic circuit component such as an annular core, on which a primary winding...
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6344781 |
Broadband microwave choke and a non-conductive carrier therefor
An electrically conductive wire wound into a conical coil 1 with leads from the small and large ends of the coil. The coil is filled with fine-grained magnetic material 11 , and is mounted in a...
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6291759 |
Pickup for electric guitars, and method of transducing the vibrations of guitar strings
Guitar pickups are provided herein comprising an upper bobbin, a ferromagnetic steel plate and a lower bobbin, stacked on top of each other, oriented longitudinally and laterally substantially the...
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6291758 |
Pick-up for electric guitars
A pickup has an upper bobbin which is elongated along a longitudinal plane, a lower bobbin which is elongated along the longitudinal plane, permanent magnetic pole pieces situated within holes in...
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6277253 |
External coating of tungsten or tantalum or other refractory metal on IMP coils
Embodiments include a method for depositing material onto a workpiece in a sputtering chamber. The method includes sputtering a target and a coil in said sputtering chamber. The coil may have a...
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6252487 |
Planar magnetic component with transverse winding pattern
A high-leakage planar magnetic component such as an inductor, having a winding structure in which flat winding turns are oriented transverse to the plane of the winding structure, exhibits...
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6236289 |
Broadband microwave choke with a hollow conic coil filled with powdered iron in a leadless carrier
A thin electrically conductive wire wound into a conical coil 1 with leads from the small and large ends of the coil. The coil is filled with powdered iron 11, and is mounted in a thin-walled,...
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6181130 |
Magnetic sensor having excitation coil including thin-film linear conductor sections formed on bobbin with detection coil wound thereon
A magnetic sensor includes a bobbin having one surface provided with a toroidal groove, and a toroidal inductor accommodated in the groove. The toroidal inductor has a toroidal core and an...
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