An ultra-wideband assembly is provided. The assembly includes a non-conductive tapered core having a conductive wire wound on an outer surface of the non-conductive tapered core, a low-frequency inductor coupled to the non-conductive tapered core via the distal end of the conductive wire and configured to allow mounting of the non-conductive tapered core at an angle with respect to the circuit board. The low frequency inductor is being disposed on a dielectric board configured to be coupled to the circuit board. The assembly includes an ultra-wideband capacitor coupled to the non-conductive tapered core via the proximate end of the conductive wire, the ultra-wideband capacitor being also coupled to the transmission line on the dielectric board.

A conical inductor provided in the present invention includes: a housing, a conical coil located inside the housing, a first pin and a second pin respectively connected to two ends of the conical coil, where one end of the first pin is connected to one end of the conical coil, the other end of the first pin is connected to a hole in a first side wall of the housing in a fastened manner, one end of the second pin is connected to the other end of the conical inductor, and the other end of the second pin is connected to a hole in a second side wall of the housing in a fastened manner; and each of the first pin and the second pin includes one segment of waveform segment fluctuating in a direction perpendicular to a top wall of the housing.

A rotating electromagnetic field generation device including a plurality of electrodes, a plurality of electromagnetic field generators, and a controller. The electromagnetic field generators each have a first electric potential output and a second electric potential output. The controller is configured to dynamically switch the first electric potential output and the second electric potential output of each of the plurality of electromagnetic field generators to corresponding selected ones of the plurality of electrodes thereby projecting at least one electromagnetic field from the plurality of electrodes.

An ultra-wideband assembly is provided. The assembly includes a non-conductive tapered core having a conductive wire wound on an outer surface of the non-conductive tapered core, a low-frequency inductor coupled to the non-conductive tapered core via the distal end of the conductive wire and configured to allow mounting of the non-conductive tapered core at an angle with respect to the circuit board. The low frequency inductor is being disposed on a dielectric board configured to be coupled to the circuit board. The assembly includes an ultra-wideband capacitor coupled to the non-conductive tapered core via the proximate end of the conductive wire, the ultra-wideband capacitor being also coupled to the transmission line on the dielectric board.

An arrangement of coaxial windings is provided. The arrangement includes primary and secondary windings as air-core pulse transformers having insulation and winding arrangement for efficient energy transfer to the secondary winding. The secondary winding is wound with a central metallic core to include a coaxial transmission line with it and is configured to deliver a rectangular pulse across its terminals. The arrangement also includes a coaxial feeding arrangement for the primary winding with a central coaxial terminal connecting to one end of an adjustable primary closing switch electrode so as to have variable voltage feed input corresponding to its load requirement.

An ultra-wideband assembly is provided. The assembly includes a non-conductive tapered core having a conductive wire wound on an outer surface of the non-conductive tapered core, a low-frequency inductor coupled to the non-conductive tapered core via the distal end of the conductive wire and configured to allow mounting of the non-conductive tapered core at an angle with respect to the circuit board. The low frequency inductor is being disposed on a dielectric board configured to be coupled to the circuit board. The assembly includes an ultra-wideband capacitor coupled to the non-conductive tapered core via the proximate end of the conductive wire, the ultra-wideband capacitor being also coupled to the transmission line on the dielectric board.

A pair of coils for use in inductive charging of a light electric vehicle, the pair of coils comprising a first frustoconical coil and a second frustoconical coil, wherein the first frustoconical coil defines an interior which is sized to accept the second frustoconical coil.

The disclosure relates to the technical field of electromagnetic coils, in particular to a Helbeck array plane coil structural unit. The Helbeck array plane coil structural unit includes three substructures: the first substructure, the second substructure and the third substructure. The disclosure adopts the plane electromagnetic coil to form the Helbeck array permanent magnetic field effect, and aims to solve the problems that the existing Helbeck array permanent magnetic structure is difficult to be miniaturized, rigid structure, unable to get rid of the limitation of permanent magnetic materials, difficult to realize the truly sinusoidal distributed magnetic field and low electromagnetic utilization rate.

A biological sensor includes a housing including a protuberant curved surface bulging in a first direction, and a substrate inside the housing and to be used with the first direction of the housing directed toward a living body. The substrate includes first and second portions at mutually different positions in the first direction and a jutting portion between the first and second portions such that the first portion protrudes farther in the first direction than the second portion. A biological detector is provided on a surface of the first portion orthogonal or substantially orthogonal to the first direction.

An inductor includes a housing composed of an insulating material and a conical coil provided inside the housing. The conical coil is formed of a spirally wound coil conductor. The winding diameter of the conical coil increases in a continuous manner. The coil conductor has a rectangular cross section. Parts of the coil conductor that are adjacent to each other in a winding axis direction of the conical coil are disposed so as to partially overlap when looking in the winding axis direction of the conical coil. The insulating material of the housing is disposed without any gaps along the periphery of the coil conductor.