A coil assembly for generating or for receiving alternating magnetic fields comprises at least one primary coil having at least one winding and comprises at least one secondary coil provided for a selective influencing of the resonance behavior of the coil assembly and having at least one winding, wherein the primary coil has a main conductor and a shielding conductor at least sectionally surrounding the main conductor. The shielding conductor is electrically conductively connected to the main conductor and has at least one section that is electrically interrupted.

The present invention relates to an isolation transformer suitable for use in a modulator for generating high voltage pulses for supply across a high voltage load having a thermionic cathode such as a magnetron, the isolation transformer comprising a primary winding formed from a triaxial cable where the triaxial cable comprises a core conductor surrounded by a dielectric insulator, in turn surrounded by a screening conductor, with an outer insulating jacket.

A common-mode current suppression device, such as a balun and line isolator, includes a core formed of nanocrystalline material. The core may be formed in any desired configuration, such as a toroidal core, a sleeve core, a drum core, a rod core, or a binocular core. The use of nanocrystalline material allows the core to achieve increased common-mode impedance (CMI) that exceeds that achievable by cores formed of traditional ferromagnetic materials.

A coil device of solenoid type includes a coil portion having a bobbin and a conductive wire wound around the bobbin, a housing for accommodating the coil portion, and at least one fastener for fastening the bobbin and the housing. The conductive wire includes a plurality of extending portions extending along a wound wire direction on the bobbin and having gaps in a winding axis direction. The fastener is provided between the plurality of extending portions and is obliquely disposed with respect to a plane orthogonal to the winding axis direction.

A flexible RF coil with excellent portability is provided. The RF coil includes a first coil, a first skeleton, and a second skeleton, the first skeleton and the second skeleton being rod shaped. The first coil includes a first loop made from a conductor that receives radio frequency signals, and a first signal detector that is inserted in series into the first loop and that detects the signals received by the first loop. The first skeleton and the second skeleton are arranged with a spacing in the short axis direction, the first signal detector is mounted on the first skeleton, and a portion of the first loop that faces the first signal detector is mounted on the second skeleton. The first loop is deformable, and the spacing between the first skeleton and the second skeleton is changeable in accordance with the deformation of the first loop.

The present disclosure provides a transformer including at least one magnetic core each having at least one window; one primary side winding passing through the at least one window, a wire forming the primary side winding being sequentially covered with a first solid insulating layer, a grounded shielding layer and a second solid insulating layer from inside to outside along a radial direction of the wire, the grounded shielding layer being connected to a reference ground; and at least one secondary side winding, each passing through the at least one window, the primary side winding having a first voltage with respect to the reference ground, the secondary side winding having a second voltage with respect to the reference ground, and the second voltage being greater than 50 times of the first voltage.

A system for suppressing radiofrequency noise includes a modem and an energy transfer device. The modem includes a coaxial radiofrequency port that is configured to connect to a first ground. The energy transfer device includes a first portion and a second portion. The first portion is configured to connect to the coaxial radiofrequency port and the first ground. The second portion is configured to connect to a second ground that is isolated from the first ground. The first and second portions are configured to transfer electrical energy therebetween via electromagnetic coupling.

An Isolating Transmission Line Transformer (ITLT) for use in a data communications system is provided, the transformer comprising: a substantially planar substrate formed of electrically insulative material having opposed first and second surfaces; a first port formed of two separate terminals provided at one part of the substrate; a second port formed of two separate terminals provided at a second part of the substrate; a first conductor connected in series to the first port and arranged as a single loop; a second conductor which is electrically isolated from the first conductor and connected in series to the second port, the second conductor being arranged as a single loop in a substantially opposite orientation to the first conductor; wherein the first and second ports and at least part of the first and second conductors are provided on the substrate surface(s); and a core arranged between the first and second ports to cover the majority of the first and second conductors.

An Isolating Transmission Line Transformer (ITLT) for use in a data communications system is provided, the transformer comprising: a substantially planar substrate formed of electrically insulative material having opposed first and second surfaces; a first port formed of two separate terminals provided at one part of the substrate; a second port formed of two separate terminals provided at a second part of the substrate; a first conductor connected in series to the first port and arranged as a single loop; a second conductor which is electrically isolated from the first conductor and connected in series to the second port, the second conductor being arranged as a single loop in a substantially opposite orientation to the first conductor; wherein the first and second ports and at least part of the first and second conductors are provided on the substrate surface (s); and a core arranged between the first and second ports to cover the majority of the first and second conductors.

A coil assembly for generating or for receiving alternating magnetic fields comprises at least one primary coil having at least one winding and comprises at least one secondary coil provided for a selective influencing of the resonance behavior of the coil assembly and having at least one winding, wherein the primary coil has a main conductor and a shielding conductor at least sectionally surrounding the main conductor. The shielding conductor is electrically conductively connected to the main conductor and has at least one section that is electrically interrupted.