Abstract: A slot antenna device including a substrate, a metal layer and a feeding element is provided. The substrate has a first surface and a second surface opposite to the first surface. The metal layer is disposed on the first surface, and includes a slot extending along a first direction. The feeding element is disposed on the second surface, and extended along a second direction, where the first direction is perpendicular to the second direction. A length of the slot is a sum of each quarter wavelength of at least three frequency bands, so that the slot antenna device is operated at the at least three frequency bands. A projection of the feeding element on the first surface crosses the slot, so that the slot is divided into a first section and a second section, where a length of the first section is equal to a length of the second section.

Abstract: The present application provides a multi-frequency array antenna. The multi-frequency array antenna includes at least one dual-polarized low frequency subarray (21) and at least one dual-polarized high frequency subarray (22), where the dual-polarized low frequency subarray (21) and the dual-polarized high frequency subarray (22) are arranged, within a same radome (23), in parallel along an axial direction (24) of the multi-frequency array antenna, the dual-polarized low frequency subarray includes at least two types of dual-polarized low frequency radiation unit pairs (211), and each of the dual-polarized low frequency radiation unit pairs includes at least four low frequency radiation units.

Abstract: A dielectric antenna has high impact resistance and high receiving sensitivity. The dielectric antenna includes a dielectric member which includes a laminate of a flexible dielectric portion including dispersed dielectric ceramic particles and a substrate having higher hardness than the flexible dielectric portion, and electrode disposed on the dielectric member.

Abstract: Embodiments include a wireless microphone comprising an elongated main body configured for handheld operation of the microphone; a display bezel area included in the main body; a first antenna positioned at a bottom end of the main body; and a second antenna integrated into the display bezel area. Embodiments also include a wireless handheld microphone comprising a main body having a conductive housing and a tubular shape configured for handheld operation of the microphone; an opening included on a side surface of the conductive housing; a non-conductive cover coupled to the conductive housing and configured to cover the opening; and an antenna positioned adjacent to the non-conductive cover.

Abstract: A method of making a housing includes providing a substrate having an opening, providing a plurality of metal sheets, providing a plurality of non-conductive members, and bonding the metal sheets together through the non-conductive members, forming a metal sheets member, placing the metal sheets member in the opening, bonding the metal sheets member with the substrate through the non-conductive members, and removing excess parts of the substrate to form the housing.

Abstract: A circularly polarized horn antenna can comprise a rectangular waveguide, a hexagonal waveguide connected to the rectangular waveguide, a first transition part connected to the hexagonal waveguide, and a horn connected to the first transition part. The horn can include a first corrugated inner surface, and the first transition part can include a second corrugated inner surface.

Abstract: An antenna array assembly comprises at least a first and second antenna element, each comprising at least one radiator element in a substantially parallel relationship to a respective ground plate, and an isolator bar disposed between the respective ground plates of the first and second antenna elements, the isolator bar being elongate having a cross-section comprising a T shape, the cross-section being across a long axis. The isolator bar comprises a support bar in contact with the ground plates forming the stem of the T shape, and a cross piece forming the top of the T shape. The cross piece of the isolator bar has a width in the cross-section of at least a quarter of a wavelength at an operating frequency of the antenna array, whereby to provide radio frequency isolation between the first and second antenna elements.

Abstract: The present invention refers to a triple-band antenna array for cellular base stations operating at a first frequency band and at a second frequency band within a first frequency range, and also at a third frequency band within a second frequency range. Said triple-band antenna array comprises a first set of radiating elements operating at the first frequency band, a second set of radiating elements operating at the second frequency band, a third set of radiating elements operating at both the third and the first frequency bands, and a fourth set of radiating elements operating at both the third and the second frequency bands. The radiating elements are arranged in such a way that at least some of the radiating elements of the first set are interlaced with at least some of the radiating elements of the third set, and at least some of the radiating elements of the second set are interlaced with at least some of the radiating elements of said fourth set.

Abstract: An antenna device includes a power feed coil to be connected to a RFIC and a coil antenna that couples with the power feed coil. The power feed coil includes a first power feed coil and a second power feed coil connected to the first power feed coil. The second power feed coil includes a coil opening with a planar or substantially planar shape. The coil antenna includes a coil opening with a planar or substantially planar shape along a plane identical, parallel, or substantially parallel to that of the coil opening of the second power feed coil. The center of gravity of the coil antenna is located within the coil opening of the second power feed coil when viewed in plan view. A winding axis direction of the first power feed coil crosses or intersects with a winding axis direction of the coil antenna. The first power feed coil and the second power feed coil magnetically couple with the coil antenna.

Abstract: An electronic device disclosed herein includes an antenna that self-tunes frequency responsive to changes to a physical configuration of the electronic device to negate a shift in the resonant frequency attributable to the change in physical configuration.

Abstract: A radio frequency (RF) system includes an RF integrated circuit (IC) die, and an antenna coupled to the RF IC die. The RF system further includes a reflector layer over the RF IC die, the reflector layer extending over at least a portion of the antenna, a combination of the antenna and the reflector layer having a radiation pattern that comprises a main lobe in a first direction parallel to a top surface of the reflector layer.

Abstract: An antenna module suited for a portable electronic device is provided. The antenna module includes a heat dissipation unit, a first antenna and a second antenna. The heat dissipation unit contacts a heat source of the portable electronic device. The first antenna and the second antenna are disposed at different side portions of the heat dissipation unit. The heat dissipation unit has a slot with at least one bending portion. An orthogonal projection of at least one of the first antenna and the second antenna on a projection plane of the heat dissipation unit is partly overlapped with an orthogonal projection of the slot on the projection plane.

Abstract: An apparatus for providing data communication and power to a device located in a room having a power outlet is disclosed. The power outlet may be a standard AC outlet, for example. The apparatus includes a cable extending from the device and having a plug comprising a plug body. Prongs extend from the plug body and couple to the power outlet to receive power. A first near field communication antenna is carried by the plug body. A communication module has a second near field communication antenna and is located in the room in proximity to the plug. At least one of the first near field communication antenna and the second near field communication antenna communicates data wirelessly to the other of the first near field communication antenna and the second near field communication antenna.

Abstract: The present invention discloses a housing structure having a conductive adhesive antenna and the conductive adhesive antenna thereof, wherein the housing structure having the conductive adhesive antenna comprises a housing and an electrically conductive adhesive. The housing has two units which can be integrated with each other to form a bonding portion. The electrically conductive adhesive is bonded on the bonding portion and has at least one electrical connection end for electrically connecting with a wireless module, thereby the electrically conductive adhesive is also formed as an antenna structure. With the implementation of the present invention, the conductive adhesive antenna can replace a prior antenna.

Abstract: A flat antenna includes a pair of radiation units that are spaced apart from each other and that are symmetrical with respect to a symmetrical axis. Each of the radiation units includes a main radiating body, an auxiliary radiating body and a feed-in point. The main radiating body has a substantially triangular shape and includes a first angle close to the symmetrical axis, a second angle far from the symmetrical axis with respect to the first angle, and an edge between the first and second angles and obliquely facing the symmetrical axis. The auxiliary radiating body is connected to the main radiating body, and extends from the first edge toward the symmetrical axis. The feed-in point is formed on the first angle of the main radiating body.

Abstract: An antenna device includes a planar coil, a planar conductor, a first power feed terminal, and a second power feed terminal. The planar conductor includes a cutout opposed to the planar coil that overlaps with a coil aperture. The planar coil includes a first conductor pattern portion and a second conductor pattern portion. The first power feed terminal is connected to a first end of the first conductor pattern portion and the second power feed terminal is connected to a first end of the second conductor pattern portion on a side adjacent to or in a vicinity of the first end of the first conductor pattern portion. Second ends of the first conductor pattern portion and the second conductor pattern portion are connected to the planar conductor.

Abstract: A wideband phased array including a plurality of nested sub-arrays each having a plurality of bowtie radiators and having a common aperture, where each sub-array covers a different frequency band. In one embodiment, a square high-band sub-array is positioned at a center of the phase array, a square mid-band sub-array surrounds the high-band sub-array, and low-band sub-array surrounds the mid-band sub-array.

Abstract: A system includes an antenna, an impedance measurement circuit, an impedance tuning circuit, and a controller. The impedance measurement circuit can include a test current source that conveys a test current through the antenna, and a voltage sensor that measure a voltage across the antenna while the test current is conveyed through the antenna. The impedance tuning circuit can be coupled to the antenna leads and can include one or more reactive elements that can be selectively coupled to the antenna, or otherwise adjusted, to effect adjustment of the impedance connected to the antenna. The controller can: (i) use the impedance measurement circuit to obtain a measurement indicative of an impedance of the antenna; (ii) determine an adjustment to the impedance tuning circuit based on the obtained measurement; and (iii) cause the impedance tuning circuit to make the determined adjustment.

Abstract: An electronic device may be provided with wireless circuitry that includes a radio-frequency transceiver circuit and an antenna. The antenna may be a patch antenna formed from a patch antenna resonating element and an antenna ground. The patch antenna resonating element may be formed from a metal patch on a printed circuit board. The antenna ground may be formed from a metal housing having a planar rear wall that lies in a plane parallel to the metal patch. The radio-frequency transceiver circuit may be coupled to the metal patch through traces on the printed circuit and may be coupled to rear wall of the housing through a screw and a screw boss in the housing. Buttons and other electrical components may be mounted on the printed circuit board and may be coupled to control circuitry on the printed circuit board through the metal patch.

Abstract: An antenna includes antenna coil having a magnetic-material core and a coil conductor. The antenna coil is arranged toward a side of a planar conductor, such as a circuit board. Of the coil conductor, a first conductor part close to a first main face of the magnetic-material core and a second conductor part close to a second main face of the magnetic-material core are provided such that the first conductor part is not over the second conductor part in view from a line in a direction normal to the first main face or the second main face of the magnetic-material core. In addition, a coil axis of the coil conductor is orthogonal to the side of the planar conductor.