Matches 1 - 50 out of 183 1 2 3 4 >
Match Document Document Title
7486066 Transformer, multi-output switching power supply, liquid crystal television  
The present invention aims to obtain a stable output voltage without requiring an extra circuit by suppressing influence of noise of the primary winding and voltage induction by leakage inductance....
7417847 Compact current transformer casing for gas-insulated switchgear assemblies  
The invention pertains to a current transformer ( 1 ′) for enclosed, gas-insulated high-voltage switchgear ( 10 ). According to the invention, a current transformer ( 1 ′) is characterized in...
7259651 Energy storage coil  
An energy storage coil comprises a core having an electrical conductor wound thereabout in a plurality of turns. The turns define a main zone and at least one first auxiliary zone extending along...
7250841 Saucer-shaped half-loop MEMS inductor with very low resistance  
A micro-electromechanical system (MEMS) inductor is formed in a saucer shape that completely surrounds a magnetic core structure which is formed from a ferromagnetic material. In addition, an array...
7012496 Noise elimination device and method for installing the same  
The invention provides a noise elimination device that can be installed easily on a coaxial cable and that can effectively eliminate noise from both the center conductor and the outer conductor....
6987438 Bushing-type transformer for a switch gear unit  
The invention relates to a bushing-type transformer ( 1 ) comprising a conductive element ( 5 ) forming the primary conductor, supporting a flat contact surface ( 7 ) on one end thereof and a...
6917272 Electric device  
An electric device comprising at least one core ( 5, 10 ) of magnetic material and a high-voltage winding ( 16 ) in the form of an electric conductor wound around the core, and a method for...
6911886 Flux coil system  
A flux coil system has a first member having a first surface and a first flux coil being disposed in the first member. The flux coil has a first current flowing conduit having a second surface....
6873242 Magnetic component  
The magnetic component uses at least two different layers of magnetic material for carrying and amplifying the magnetic flux. The use of two different layers which may, however, have the same...
6844810 Arrangement of a data coupler for power line communications  
There is provided an arrangement of components for coupling data between a power line and a communication device. The arrangement includes an inductive coupler that employs a power line conductor...
6844803 Thirty-degree length impedance transformer  
A transformer for substantially matching the impedance of a generator and a load, which is coupled to the generator via a transmission line. The transformer comprises an outer conductor having an...
6819213 Inductive device  
An inductive device comprises a coil having a winding and extending along and spaced from an axis, and a pair of lead wires extending internally between the ends of the coil. The lead wires extend...
6788183 I-inductor as high-frequency microinductor  
In an I-conductor for the high-frequency or microwave systems, two uniform cores are disposed parallel to each other with a gap therebetween and a coil is disposed on each core in such a way that,...
6741153 Flat high-voltage impulse transformer  
A flat high-voltage impulse transformer is proposed, which can be used in conjunction with a high-intensity discharge (HID) lamp to provide a high-magnitude pulsed voltage to ignite the HID lamp....
6707364 Remote feeder reactance coil  
A remote feeder reactance coil and a signal transmission system. The invention relates to a remote feeder reactance coil ( 100 ) for energy input and output in signal transmission lines, as well as...
6700471 Fixing device of current transformer  
A current transformer fixing device comprises a current transformer cylinder surrounding the periphery of a central conductor to be connected to an electric power line, a cylindrical container...
6686823 Inductive power transmission and distribution apparatus using a coaxial transformer  
A coaxial inductive power transfer and distribution apparatus includes a stationary primary conductor and a mobile secondary coil magnetically coupled together to provide for inductive power...
6683522 Planar miniature inductors and transformers  
The planarization of inductive components by reducing standard coiled designs to single turn, open ended designs from which the required parameters are obtained by scaling the length. Single turn...
6680665 Three-phase current transformer  
In a three-phase current transformer, a plate adaptor includes first to third coil insertion slots and is a magnetic shield. First to third Rogowskii coils are arranged in the first to third coil...
6661324 Voltage and current sensor  
A voltage and current sensor comprised of a plurality of surface mounted inductors serially connected around the circumference of a current carrying conductor and a plurality of surface mounted...
6566994 Coil for an AC current sensor  
An improved formable coil for an AC sensor having a predetermined length and a predetermined number of turns. The coil is wound in multiple passes in opposite directions, with a predetermined...
6542060 Microcomponent of the microinductor or microtransformer type  
Inductive microcomponent ( 1 ), such as a microinductor or microtransformer, comprising a metal winding ( 2 ) having the shape of a solenoid, and a magnetic core ( 4 ) including a strip made of a...
6504464 Choke coil  
A choke coil is provided with a coil formed of a conducting wire covered by an insulating coating and wound in a coil shape; a conducting ring provided one on both ends of the coil; and a...
6501285 RF current sensor  
A sensor for detecting RF current flowing in a conductor includes a layer 10 of insulating material with a hole 16 for the passage of the RF conductor 18 in a direction normal to the layer. A...
6437678 Electric noise absorber and method for its assembly with a cable  
Noise absorbers ( 11 ), which comprise two casing halves ( 16,17 ) foldable together around a cable and containing ferrite half-rings, are fixed to a cable ( 13 ) in that, prior to the closing of...
6313727 Current transformer for three-phase systems  
The invention relates to a current transformer for three-phase systems and it used to detect currents, for example with three-phase current meters or electronic devices which trigger low voltage...
6310534 Radio interference suppression choke  
A choke for suppressing radio interference, having a terminal wire composed of an electrically conductive and thermally conductive, non-ferromagnetic, first alloy and having a magnetic tape core...
6288625 Current transformer for a metal-enclosed gas-insulated high-voltage installation  
This current transformer is provided, in particular, for a metal-enclosed gas-insulated high-voltage installation. It has a toroidally formed current sensor enclosing a current path and a signal...
6281777 Inductive component for the attenuation of common mode and push-pull interference  
An inductive component for the attenuation of common mode and push-pull interferences in n-lead systems with n≥2 leads, includes a body of a permeable material having n bores formed therein....
6268787 Ferrite-core housing case anti-noise component wire harness and electronic equipment  
A ferrite-core housing case 20 has a first split case half 21, and a second split case half 22 that is openable with respect to the first split case half 22, and houses a ferrite core 1 for a flat...
6242996 Surface mount self-induction component  
A surface mount self-induction component comprises a drum core having a winding core around which a winding is to be wound, and a pair of flanges which are opposedly placed at ends of the winding...
6233834 Miniature transformers for millimachined instruments  
This invention relates to the planarization of inductive components by reducing standard coiled designs to single turn designs from which the required parameters are obtained by scaling the length....
6191673 Current transformer  
A current transformer includes transformer units combined into a bundle, each of the transformer units including an annular iron core surrounding a bus conductor and a secondary winding wound...
6163243 Toroidal current transformer assembly and method  
A current transformer assembly comprises a toroidal core and a conductor having a body portion and a mounting portion. The conductor's body portion extends through the aperture of the toroidal...
6046662 Low profile surface mount transformer  
A transformer is provided that consists of a primary winding, a secondary winding and a magnetic core. The primary winding is wound directly around the magnetic core, thereby removing the need for...
6014072 Current transformer for gas-insulated switchgear  
The present invention relates to a gas-insulated current transformer of simple structure for a single-phase or multi-phase switchgear, which transformer can be made in various dimensions and with...
5982265 Current-detection coil for a current transformer  
A current-detection coil for a current transformer operating by the Rogowski principle has an insulating annular body made of a fiber-reinforced thermosetting plastic and manufactured as a...
5889450 Current transformer assembly for electronic circuit interrupters  
A circuit interrupter employing an electronic trip unit utilizes a current transformer assembly containing both air and metal cores on a common load strap for providing sensing current to the...
5864276 Current transformer assemblies  
A current transformer assembly has an annular transformer encompassing a busbar where it projects through the wall of equipment. The assembly has an electrically-insulative housing bolted to the...
5852395 Rogovski coil  
The Rogovski coil (1) is provided with a winding (2) applied to a winding support made from an insulating material. It has a central axis (4) and an opening (5), which is enclosed by the winding...
5850114 Device for improving the quality of audio and/or video signals  
A device for improving the quality of audio and/or video signals comprises a main electrical circuit comprising an integrated circuit arranged for producing an output pulse signal having a...
5835000 Current transformer assemblies  
A current transformer assembly has three pairs of contacts projecting from the upper and lower surface of a mounting plate. Below the plate, the contacts in each pair are interconnected by a...
5828282 Apparatus and method for shielding a toroidal current sensor  
A toroidal current transformer magnetic shield includes, in one form, a cup portion and a cap portion. Both the cup and the cap are C-shaped, and when the cap is placed over the cup, the cup and...
5805042 Radio frequency low hum-modulation AC bypass coil  
A radio frequency choke for use in a cable television transmission and distribution circuit is disclosed. The radio frequency choke comprises a core of zinc-ferrite material as provided by...
5767759 Inductor with plural linearly aligned spaced apart ferrite cores  
An inductor has a winding arranged on a straight magnetic core formed by a plurality of ferrite cylinders disposed in line with one another with a space between adjacent cylinders. The ferrite...
5710534 Electrical apparatus including electric field control means  
A coil for an electrical apparatus such as a transformer is disclosed which includes an electric field control means to minimize flashover or arching at a lead of the coil.
5691686 Transformer zero-phase current transformer  
A control unit accommodates various equipment, such as a circuit breaker, an electromagnetic switch, a zero-phase current transformer, and an operating transformer. The zero-phase current...
5583429 Current detection device  
Electric current, flowing through a penetration conductor extending through a main housing, is detected by a non-contact current detection unit incorporated in the main housing. Connector housings...
5519581 Mounting of toroidal inductors  
A small toroidal inductor is mounted by inserting a high valued resistor or a ceramic coil form into the central hole of the toroid. The fine leads of the inductor are then soldered to the much...
5504469 Electrical conductors  
Electrical isolation which is required between adjacent windings of a device such as a transformer is provided by wrapping a group of individually insulated conductive cores 62, 64, 66, 68 with...
Matches 1 - 50 out of 183 1 2 3 4 >