Abstract: An external antenna is disclosed. The external antenna has a coaxial conductor assembly, a flexible circuit board, a passive element, and a support tube. The coaxial conductor assembly has a coaxial cable including an external conductor and an internal conductor insulated from the external conductor. The flexible circuit board is connected with the coaxial conductor assembly. The passive element is attached to the flexible circuit board and electrically connected to the external conductor and the internal conductor. The external conductor, the internal conductor, the flexible circuit board, and the passive element form an antenna loop. The flexible circuit board is wound around the support tube.

Abstract: One example discloses a near-field electromagnetic induction (NFEMI) antenna, including: an electric antenna including a first electrically conductive surface; a magnetic antenna including a first coil (L1) coupled to a second coil (L2); a first feeding connection coupled to one end of the first coil; a second feeding connection coupled to another end of the first coil and one end of the second coil; wherein a another end of the second coil is connected to the electrically conductive surface; and a magnetic permeable material coupled to one side of the magnetic antenna and configured to be placed between the magnetic antenna and a set of electric components.

Abstract: A high efficiency short backfire antenna (SBFA) includes a cylindrical reflector and a feed structure. The conductive cylindrical reflector is configured to collect or to radiate electromagnetic waves. The cylindrical reflector has a reflector base and a reflector wall. The feed structure is electromagnetically coupled to the cylindrical reflector. The reflector wall includes a dielectric liner formed on an inside surface of the cylindrical reflector, and the dielectric liner is covered with a structured anisotropic impedance surface.

Abstract: An improved microwave system. Certain embodiments include a radio transceiver, an antenna, an antenna feed mechanism, and the necessary RF cabling to connect these elements. In the present invention, an antenna feed system is described. The antenna feed system may comprise the radio transceiver, which is integrated with the antenna feed mechanism and the antenna conductors. In the exemplary embodiment, the antenna feed assembly further comprises connectivity for a digital signal interface; antenna feed pins, director pins and sub-reflectors. Typically, these elements are located on a printed circuit board and housed in weather proof housing which may be disposed on the feed arm of a parabolic reflectors. Some embodiments may support OSI layer digital communications.

Abstract: A hearing device can perform wireless communication with another device using a bowtie antenna. In various embodiments, the bowtie antenna can include two conductive plates and one or more notches in at least one of the two conductive plates. The one or more notches can be sized, shaped, and/or positioned to approximately optimize performance of the bowtie antenna for one or more frequency bands of the wireless communication. In various embodiments, the hearing device can receive energy using the bowtie antenna and charge a rechargeable battery using the received energy.

Abstract: A microwave system comprises an antenna, antenna feed, a radio transceiver, and appropriate cabling among the aforementioned. Cost, performance and reliability improvements are achieved with further integration of these elements and with design improvements in the antenna feed. One improvement is the integration of the radio transceiver with the antenna feed. This improvement has many benefits including the to elimination of RF cables and connectors. Another improvement, is the incorporation of parasitic radiators and sub-reflectors as part to of the antenna feed. The entire antenna, including the feed design is optimized with 3D finite element method (FEM) software and numerical optimization software. Another improvement is the utilization of the digital cable to power the integrated radio transceiver and a center fed parabolic reflector.

Abstract: An electronic device may have a display in a housing with a metal wall. An antenna may have an antenna ground formed from the wall and an antenna resonating element. Transceiver circuitry may be coupled to an antenna feed that extends between the antenna resonating element and the antenna ground. A return path may extend between the antenna resonating element and the antenna ground in parallel with the feed. The antenna resonating element may have segments that are coupled by a frequency dependent filter. At a first frequency, the filter may have a low impedance so that the antenna resonating element has a first effectively length. At a second frequency that is greater than the first frequency, the filter may have a high impedance so that the antenna resonating element has a second effective length that is shorter than the first effective length.

Abstract: An antenna device includes a wiring board, a conductive member including a first conductor portion and a second conductor portion electrically connected to each other, a coil element including a coupling coil to be connected to a feed circuit, and a capacitor. The first conductor portion includes a conductor opening and a gap that connects the conductor opening and an outer edge of the first conductor portion, and the capacitor crosses the gap. The second conductor portion is connected to two points of an inner edge of the conductor opening, and, together with a portion of the first conductor portion and the capacitor, defines a loop-shaped current path. The coupling coil is magnetically coupled to the loop-shaped current path.

Abstract: An antenna device having a settable directional characteristic and a method for operating an antenna device. The antenna device according to the present invention includes a feed signal provision unit, with the aid of which a first, second, third and fourth electrical feed signal may be provided, the electrical feed signals being coherent with one another and having phases relative to one another which are adapted to set the settable directional characteristic of the antenna device, the phases being adaptable with the aid of a feed signal adaptation unit; a plurality of antenna columns, each antenna column including a respective plurality of electrically connected antenna elements; the electrical feed signals being conductable for inducing the antenna elements of the antenna columns to emit electromagnetic waves having the set directional characteristic.

Abstract: A microwave system comprising a center fed parabolic reflector; a radio transceiver, said transceiver disposed on a circuit board and coupled to a radiator, said radiator disposed on the circuit board and extending orthogonally from a surface of the circuit board. Embodiments also include directors on the circuit board and a sub-reflector comprising a thin plate disposed on a weather proof cover and said sub-reflector having a substantially concave surface with a focus directed towards the radiator. The circuit board may be physically integrated within the feed mechanism of the center fed parabolic reflector and the radio transceiver is configured to provide OSI layer support.

Abstract: An antenna device, including a circuit board, electronic components, a functional component module, an antenna module and a feed line, is provided. The electronic components are disposed on the circuit board and include a microprocessor and a wireless communication chip. The functional component module includes a carrier and a metal member disposed on the carrier. The antenna module includes a feed point, a ground point and a radiator, the feed and ground points are disposed on the carrier and electrically connected to both sides of the metal member respectively, and the ground point is electrically connected to the ground layer of the circuit board. The radiator includes at least a part of the metal member, while the feed line can transmit a wireless signal to the feed point to feed into the radiator. Therefore, the metal member can serve as the radiator to conserve the space of accommodating another radiator.

Abstract: An electronic device includes a first region corresponding to a first part of the electronic device, and a second region corresponding to a second part of the electronic device. The second region has a lower temperature than that of the first region. An antenna is located over at least the first region and optionally the second region of the electronic device. A conductor is arranged over at least the first region of the electronic device to transmit heat from the first region to the second region. The conductor operates in conjunction with the antenna and is adjacent to at least a part of the antenna to prevent the conductor from interfering with the antenna.

Abstract: An active artificial magnetic conductor comprising an array of unit cells, each unit cell comprising an electrically conductive patch that is connected with an electrically conductive patch of neighboring unit cell in a column of unit cells using a non-Foster negative inductor and having RF isolating plates or walls between rows of unit cells. These isolating plates or walls eliminate undesirable cross coupling between the non-Foster negative inductors. The electrically conductive patches may be formed by metallic patches preferably arranged in the 2D array of such patches. Each patch preferably has a rectilinear shape.

Abstract: Methods and apparatus for wireless power transfer and communications are provided. In one embodiment, a wireless power transfer system comprises an external transmit resonator configured to transmit wireless power, an implantable receive resonator configured to receive the transmitted wireless power from the transmit resonator, and communications antenna in the implantable receive resonator configured to send communication information to the transmit resonator. The communications antenna can include a plurality of gaps positioned between adjacent conductive elements, the gaps being configured to prevent or reduce induction of current in the plurality of conductive elements when the antenna is exposed to a magnetic field.

Abstract: Multi-directional antenna assemblies including a plurality of individual antenna sections arranged in-line with a long axis, forming a linear assembly. An antenna assembly may include a radome over the linear assembly. A linear assembly may include three or more antenna sections, each with a trough-like reflector formed by two parallel walls, and may have corrugations at the outer edges to reduce noise. An array of radiators may be positioned at the base of each antenna section. The antenna sections may share a common vertical axis and each may have a beam axes that is offset by an angle. Adjacent antenna sections may be separated by an isolation plate with a corrugated outer edge. Each antenna section may radiate greater power in a specific direction as compared to the other antenna sections.

Abstract: An antenna arrangement can produce omni-directional polarisations of two or more types and comprises a compact arrangement of a dipole with array comprising first and second conductors in parallel planes separated by a printed circuit board and laid on the printed circuit board for generating horizontally polarised signals. A monopole arrangement comprises a third conductor substantially orthogonal to the planes of the first and second conductors and arranged so that one of the first and second conductors acts as a ground plane for the third conductor.

Abstract: A segmented structure includes at least two panels, a first panel, called the main panel, a second panel, called the secondary panel. The structure further includes at least one deployment device configured to move secondary panel into a storage position or a deployed position. The deployment device has a translation system having an assembly with articulated arms, wherein the translation system is able to generate a movement of the secondary panel in translation in relation to the main panel. The translation system is connected to the secondary panel by an outer end. A rotation system is able to generate a rotation of the translation system and of the secondary panel connected to the translation system, in relation to the main panel.

Abstract: A passive repeater garment includes a clothing item and a plurality of flexible antenna apparatuses, each including an electromagnetically reflective layer; an insulation layer, which can be dielectric; an arrangement of conductors, including a first antenna, a second antenna, a coupling element, a reflector; an antenna layer; and a protective cover layer. The conductors can be made from conductive threads. The first and second antennas can include a dipole antenna, a rhombic antenna, a planar antenna, or a Yagi-Uda antenna, and an undulating portion. Also disclosed is a system of passive repeater garments, including a plurality of personal assemblies of passive repeater garments, each assembly configured for a human user, and including a plurality of passive repeater garments.

Abstract: The invention relates to a patch antenna. The invention also relates to an antenna system for transmitting and receiving electromagnetic signals comprising at least one antenna according to the invention. The invention further relates to a method of manufacturing an antenna according to the invention. The invention moreover relates to a method for use in wireless communications by using an antenna according to the invention. The invention additionally relates to a RF transceiver of a wireless communications device comprising at least one antenna according to the invention. The invention further relates to an electronic device comprising an RF transceiver according to the invention.

Abstract: A flying machine or other vehicle includes at least two antenna units and a central control unit. In a first mode of operation, the two antenna units send and/or receive signals independent of each other in different, non-overlapping frequency bands. The central control unit is adapted to control the two antenna units in a second mode of operation such that the two antennas transmit and/or receive a common signal in a common frequency band using a Multiple Input Multiple Output transmission technique.