Systems, methods, and devices are described with respect to storing energy in an electric vehicle. At least one coil winding located in a wheel assembly is provided, where the wheel assembly includes a tire and a rim. At least one charge storage device located in the wheel assembly is provided. At least one electrical storage unit located within the electric vehicle is provided, where an induced charge resulting from the at least one winding passing through an electromagnetic field is stored in the at least one charge storage device and transferred to the at least one electrical storage unit via the rim of the wheel assembly. Moreover, a charging capacity for the at least one charge storage device may change to cause the electric vehicle to slow.

Methods, devices, and systems are provided to shield a passenger compartment of an electric vehicle from electromagnetic fields present during a wireless charging process. A charging system may include a power source and a charging plate wirelessly coupled to the power source, where the power source wirelessly transfers power to the charging plate. The system may further include at least one shield portion between the charging plate and a passenger compartment of the electric vehicle, where the at least one shield portion is configured to attenuate an electromagnetic field provided by the charging system.

An electronic device comprises a plurality of printed circuit boards having signal GNDs, a metal bar which electrically connects to the respective signal GNDs of the plurality of printed circuit boards, and a card basket which houses the plurality of printed circuit boards and the metal bar and serves as a frame GND. The electronic device also comprises a dielectric between the card basket and the metal bar. The metal bar, the card basket, and the dielectric constitute a noise control capacitor having specific frequency characteristics. By the specific frequency characteristics, the noise control capacitor releases electromagnetic noise occurring in the respective signal GNDs to an outside and shields external noise generated outside.

The present disclosure provides a wiring board including a thin film member configured to include an inorganic dielectric film formed over an overall area of a mounting face thereof for an electronic part, a first conductive film formed over an overall area of one of faces of the inorganic dielectric film and including a plurality of patch electrode portions disposed in a predetermined pattern corresponding to a predetermined electromagnetic band gap structure in at least part of the area, and a second conductive film formed over an overall area of the other face of the inorganic dielectric film.

A shielded electrical cable includes one or more conductor sets extending along a length of the cable and being spaced apart from each other along a width of the cable. Each conductor set has one or more conductors having a size no greater than 24 AWG and each conductor set has an insertion loss of less than about 20 dB/meter over a frequency range of 0 to 20 GHz. First and second shielding films are disposed on opposite sides of the cable, the first and second films including cover portions and pinched portions arranged such that, in transverse cross section, the cover portions of the first and second films in combination substantially surround each conductor set, and the pinched portions of the first and second films in combination form pinched portions of the cable on each side of each conductor.

A subsea screen connection assembly configured to electrically couple a subsea cable having an earth screen, the earth screen at least partially surrounding a cable core, to a subsea device. The subsea connection assembly has a connector body configured to be electrically connected to the subsea device and a clamping element configured to at least partially surround the earth screen of the subsea cable in a circumferential direction and to apply a clamping force in a radial direction to the at least partially surrounded earth screen of the subsea cable, the inner diameter of the clamping element being adjustable, and the clamping element configured to electrically connect the earth screen to the connector body.

EMI-proof server chassis preventing EMI on an electronic component, includes a chassis and a double aperture flexible piece. The chassis includes a connection portion connected to the chassis, a first engagement portion and a second engagement portion. The first engagement portion and the second engagement portion are connected to and disposed on two sides of the connection portion. The first engagement portion and the second engagement portion are parallelly prolonged, and substantially opposite to each other. The double aperture flexible piece, shaped as a curvature plate, has a first aperture and a second aperture on two sides. The first engagement portion and the second engagement portion are engaged to the first aperture and the second aperture respectively, and the portion of the double aperture flexible piece between the first aperture and the second aperture is curved toward the electronic component, and contact with the electronic component.

A shielded electrical cable includes one or more conductor sets extending along a length of the cable and being spaced apart from each other along a width of the cable. Each conductor set has one or more conductors having a size no greater than 24 AWG and each conductor set has an insertion loss of less than about 20 dB/meter over a frequency range of 0 to 20 GHz. First and second shielding films are disposed on opposite sides of the cable, the first and second films including cover portions and pinched portions arranged such that, in transverse cross section, the cover portions of the first and second films in combination substantially surround each conductor set, and the pinched portions of the first and second films in combination form pinched portions of the cable on each side of each conductor.

An electronic component includes a main body, an inner conductor inside the main body, one or more outer electrodes on a bottom surface of the main body and not provided on four side surfaces of the main body, and a shield electrode covering the four side surfaces of the main body and having a cylindrical or substantially cylindrical shape, the shield electrode not being physically connected to any of the one or more outer electrodes at a surface of the main body and being connected to the inner conductor at a surface of the main body.

There is provided a flow rate adjustment apparatus including a main body inside which a fluid flow passage that guides a fluid has been formed, in which the main body is formed of a conductive fluorine resin material containing a fluorine resin material, and a carbon nanotube dispersed in the fluorine resin material, and in which a volume resistivity of the conductive fluorine resin material is more than 1.010.sup.3 .Math.cm and less than 1.010.sup.4 .Math.cm.