793results about "Antenna feed intermediates" patented technology

A broadband omni-directional bicone antenna. The antenna can comprise conductive surfaces of conical voids provided within a solid dielectric structure. The outside surface of the solid structure can support a radio frequency (RF) lens geometry operable for beam forming. The beam forming can modify the elevation pattern of the electromagnetic radiation from the bicone antenna. The solid dielectric structure may be machined or molded from a single piece of material. The conical voids provided within the solid structure can be metallized to provide conductive bicone radiators. The outer surface beam shaping lenses can be zoned or continuous and can provide elevation patterns with increased gain, cosecant squared falloff, or various other patterns. The beam shaping lens may be formed from any low-loss dielectric. Alternatively, the lens may be formed from a less dense material such as dielectric foam that can support radial conductive beam forming vanes.

The invention discloses a Ka-band four-tilt-beam magnetoelectric dipole antenna, and belongs to the technical field of millimeter wave radio frequency front-end devices. Based on a magnetoelectric dipole composite radiation structure, four centrosymmetric radiation units are integrated on a low-loss substrate. The antenna comprises a probe patch of a coaxial gamma-shaped feed probe, a radiation patch, a parasitic patch, an upper dielectric substrate, a lower dielectric substrate, a middle curing layer, a shorter metal through hole of the coaxial gamma-shaped feed probe, a longer metal through hole of the coaxial gamma-shaped feed probe, a metal through hole c of the radiation patch, a metal through hole d of the parasitic patch and a metal ground backboard, a probe patch, a radiation patch and a parasitic patch of the coaxial gamma-shaped feed probe are located on the upper surface of the upper-layer dielectric substrate, and a metal ground backboard is located on the lower surface of the lower-layer dielectric substrate; the antenna has ultra-wide impedance bandwidth, has the characteristics of low cost, miniaturization, low cross polarization and back lobe suppression, and is superior to a traditional inclined beam antenna and an antenna array scheme.

Base station antennas include a reflector; a first plurality of cross-dipole radiating elements that are arranged as a first array of cross-dipole radiating elements, each cross-dipole radiating element comprising a first dipole radiator having a first dipole arm and a second dipole arm and a second dipole radiator having a third dipole arm and a fourth dipole arm; and a plurality of parasitic monopole elements that are associated with a first of the cross-dipole radiating elements, each parasitic monopole element including a monopole radiator, wherein at least half of each monopole radiator is positioned within a footprint of the first and second dipole radiators of the first of the cross-dipole radiating elements when the first of the cross-dipole radiating elements is viewed from the front.

A vertically-polarized omnidirectional antenna, including: a body including: a host printed circuit board (PCB) including: first and second slots, and a metal flooded ground plane, first and second antenna PCBs forming four dipole pairs, the first and second antenna PCBs mounted to the host PCB, respective first to third ground connection fillet tabs, the first and second tabs being on an opposite side of the host PCB from the third tab, the first to third tabs being on a same side of its antenna PCB, an amplitude taper on each antenna PCB at transitions between the host and antenna PCBs, including: a first transmission line splitting off into a second transmission line and a third transmission line, the second transmission line feeding two antennas to form one dipole pair, the third transmission line stepping down using a quarter-wave transformer, and a radio frequency (RF) connector to receive a power supply.

A low-profile ultra-wideband wide-angle scanning phased-array antenna based on a tight coupling structure is composed of a metal floor and a plurality of antenna units, the antenna units extend in the X polarization direction and the Y polarization direction respectively to form a plane of any size, and an antenna array is formed; the antenna unit sequentially comprises an upper substrate, a dipole antenna and a lower substrate from top to bottom, the dipole antenna is vertically and crossly placed and comprises two layers of dielectric substrates and a layer of prepreg between the two layers of dielectric substrates, and a resistor-coated pattern is printed on the upper surface of the lower substrate.

Systems, devices, and methods related to dual linear polarized wideband antennas for compact antenna arrangements are provided. An example antenna structure includes a multi-layered printed circuit board (PCB); a folded magnetoelectric antenna element including a first portion disposed on a first layer of the multi-layered PCB and a first fold portion contiguous to the first portion and extending to at least a second layer of the multi-layered PCB; and a patch antenna element disposed on a third layer of the multi-layered PCB, wherein the first, second, and third layers are separate layers of the multi-layered PCB. The antenna structure further includes a first feeding port electrically coupled to the patch antenna element, and a second feeding port electrically coupled to the patch antenna element, where the first and second feeding ports are associated with different polarizations.

Provided herein are various enhancements for radio frequency antennas and antenna assemblies. In one example, an antenna assembly includes a cavity structure comprising an interior volume surrounded by a wall and having an opening at a first longitudinal end and a cap at a second longitudinal end. A conductive material disposed on a portion of the wall of the cavity structure and the cap such that a dielectric gap is established between the conductive material and a planar antenna when the planar antenna is coupled onto the first longitudinal end of the cavity structure.

Provided herein are various enhancements for radio frequency antennas and antenna arrangements. In one example, an apparatus comprises a reflector for radio frequency energy having a reflector surface, and a lens element. The lens element is configured to alter a distribution of at least a portion of the radio frequency energy reflected by the reflector surface over a detection area of a feed array positioned a selected distance from the lens element.

A package structure including a semiconductor die, a redistribution layer, a plurality of antenna patterns, a die attach film, and an insulating encapsulant is provided. The semiconductor die have an active surface and a backside surface opposite to the active surface. The redistribution layer is located on the active surface of the semiconductor die and electrically connected to the semiconductor die. The antenna patterns are located over the backside surface of the semiconductor die. The die attach film is located in between the semiconductor die and the antenna patterns, wherein the die attach film includes a plurality of fillers, and an average height of the die attach film is substantially equal to an average diameter of the plurality of fillers. The insulating encapsulant is located in between the redistribution layer and the antenna patterns, wherein the insulating encapsulant encapsulates the semiconductor die and the die attach film.

Provided are a mounting member with an RFID tag comprising an RFID tag, the RFID communication sensitivity of which is improved, and a manufacturing method of the mounting member with an RFID tag. The mounting member with an RFID tag comprises a shaft shape unit 1-1, an RFID tag 1-3, a boost antenna 1-4, and a head unit 1-2. The shaft shape unit 1-1includes a shaft shape insert unit 1-11, and a base unit 1-12 formed by protruding one end part of the insert unit 1-11 in a width direction. The RFID tag 1-3 transmits and receives radio waves. The boost antenna 1-4 boosts the radio waves transmitted and received by the RFID tag 1-3. The head unit 1-2 molds at least a surface side of the base unit 1-12 in order to encapsulate the RFID tag 1-3 and the boost antenna 1-4.

The present application relates to a kind of radiation elements, the radiation element includes: radiator, feed rod and parasitic element, the radiator is fed by the feed rod, wherein, the parasitic element includes conductive structure, the conductive structure includes serpentine conductive path, and coupling capacitance is formed between conductive structure and radiator, and wherein, the center frequency of the operating frequency band of the radiator is greater than the center frequency of the first operating frequency band of parasitic element.Radiation element according to some embodiments of the present application can at least reduce the coupling interference between each array, improve isolation performance.In addition, the radiation element according to some embodiments of the present application can also be used to reduce the size of radiation element itself, so that radiation element is more compact.In addition, the present application also relates to a kind of base station antennas.

A magneto-electric dipole antenna includes a substrate module, a director, a reflector and a feeding module. The substrate module has an upper surface and a lower surface. The director is disposed on the upper surface of the substrate module. The reflector is disposed on the lower surface of the substrate module. The feeding module is disposed in the substrate module between the director and the reflector. When a to-be-outputted signal is fed to the feeding module, a forward radiation that transmits in a forward direction pointing from bottom to top is generated, a backward radiation that transmits in a backward direction reverse to the forward direction is generated and is reflected by the reflector, and the forward radiation and the backward radiation thus reflected are directed by the director so as to generate the electromagnetic wave.

Antenna for a motor vehicle, comprising a mounting plate suitable to be connected to a mounting surface of the motor vehicle, a first printed circuit board adapted to be connected, in a substantially horizontal position, to the mounting plate, first and second radiating elements for transceiving respective first and second signals with the environment outside the antenna.Both radiating elements comprise a respective printed circuit board along which there are arranged respectively a first electrically conducting track and a second electrically conductive track which extend along the respective printed circuit board along a substantially helical or serpentine path.The first radiating element has a maximum height, measured from the top surface of the first printed circuit board along the substantially vertical direction, and the first height of the first electrically conducting track is less than or equal to one-half of the maximum height of the first radiating element.

A high gain multiple input, multiple output antenna which has a feeding board; a ground plane; a low band patch radiator; a first printed circuit board; a second printed circuit board; and a high band dipole patch radiator. The high band dipole patch radiator is a co-located stacked array on top of the low band patch radiator. The high band dipole patch radiator and the low band patch radiator are proximity coupled with the first printed circuit board and the second printed circuit board. The low band patch radiator covers low band frequencies in the range of 2.4 GHz to 2.5 GHZ and the high band dipole patch radiator cover high band frequencies in the range of 4.9 GHZ to 7.125 GHz. The antenna assembly has a gain of above 7.5 dBi and a well-directed radiation patten with no side lobes.

Twin-beam base station antennas are provided. A twin-beam base station antenna includes a plurality of vertical columns of radiating elements that are configured to transmit radio frequency signals in a frequency band. The radiating elements have bent metal radiator arms including tip portions that face respective center axes of the radiating elements.

A low band dipole for a dense multiband antenna array has a plurality of dipole arms. The dipole arms have a coupling plate disposed on a first side of a PCB and a conductive trace pattern disposed on a second side of the PCB. The conductive trace pattern has a plurality of resonator block structures that are coupled together by a phase shifting trace along a first edge of the conductive trace pattern and a bandwidth compensating disposed along a second edge of the conductive trace pattern.

A communications node includes an apparel item in the form of a backpack attachment that includes a panel, first and second arms extending therefrom. An antenna element and A / V hub may be affixed to an arm. The attachment may include a communications device and battery. A control circuit may be communicatively coupled to the antenna element, the A / V hub, the communications device, and the battery. The A / V hub may demountably and communicatively couple to an audio / video source. The control circuit may establish a mesh network with computing devices. The antenna element may include a graphene polymer conductive composition. The graphene may form a three-dimensional percolated network within the polymer matrix. The apparel item may include a multilayered material that reflect RF radiation generated by the antenna element away from the apparel item. The layer may include a conductive material. The layer may include a foam.

The invention discloses a Ka-band broadband characteristic magnetoelectric dipole antenna, and belongs to the technical field of millimeter wave radio frequency front-end devices. The antenna comprises an upper-layer dielectric substrate, a semi-cured layer, a lower-layer dielectric substrate and a metal ground backboard which are stacked from top to bottom. The surface of the upper dielectric substrate is provided with four special hexagonal radiation patches, a central rectangular feed patch and four rectangular parasitic patches. A cross-shaped gap is defined by the four radiation patches, and the center feed patch and the specific metal through hole and the metal blind hole in the lower layer jointly form an inverted L-shaped feed probe. And each radiation patch and each parasitic patch are respectively connected to the metal ground backboard through metal through holes. The antenna has the advantages of wide bandwidth, stable performance and compact structure.

A magneto-electric dipole antenna array includes a substrate and at least one antenna unit. Each of the at least one antenna unit includes an electric-dipole component, a magnetic-dipole component, a first feeding probe, a second feeding probe and a stripline. The electric-dipole component is disposed on an upper surface of the substrate. The magnetic-dipole component is disposed in the substrate and between the upper surface and a lower surface of the substrate, and is electrically connected to the electric-dipole component. The first feeding probe is disposed on the upper surface of the substrate for vertical polarization. The second feeding probe is disposed in the substrate and between the upper surface and the lower surface of the substrate for horizontal polarization. The stripline is disposed in the substrate and between the first feeding probe and the second feeding probe for capacitive coupling.

Provided are antenna apparatus and a base station, where the antenna apparatus includes a first radiator configured to radiate a low-frequency signal and a second radiator configured to radiate a high-frequency signal, the first radiator comprising at least one first stub and at least one second stub; one end of the first stub is connected to a first connecting point on the first radiator, the other end of the first stub is a free end; one end of the second stub is connected to a second connecting point on the first radiator, the other end of the second stub is a free end; and a sum of a length of the first stub, a length of the second stub, and a length of the first radiator between the first connecting point and the second connecting point is determined according to a wavelength corresponding to a predefined high frequency.

The invention discloses an ultra-wideband miniaturized vertical polarization horizontal omnidirectional radiation antenna, and belongs to the technical field of antenna engineering and wireless communication. The antenna comprises a vertical polarization radiator, a metal top cap, a parasitic metal column, a metal floor and a polarization surface, wherein the vertical polarization radiator is composed of four miniaturized Vivaldi antennas which are placed towards the end-fire direction; the metal top cap and the metal floor are respectively located above and below the radiator, the polarization surface surrounds the periphery of the radiator, and two ends of the parasitic metal column are respectively connected with the metal top cap and the metal floor. The miniature Vivaldi antenna is adopted to form the radiator, so that the problem of distortion of a high-frequency radiation pattern caused by the size of an ultra-wideband antenna is solved; a low-frequency magnetic dipole radiation mode is formed by using the parasitic metal columns, the metal top caps and the metal floor, and the low-frequency bandwidth is expanded. On the basis of miniaturization, the antenna provided by the invention can realize S11lt in 1-6GHz; and vertical polarization horizontal omnidirectional radiation of-10dB is realized, and the out-of-roundness of an omnidirectional radiation pattern is less than 3dB.

Provided is a low-profile composite antenna device that can be made compact while ensuring antenna transmission and reception characteristics. A low-profile composite antenna device for a vehicle is composed of a base plate (10), a circuit substrate (20), a radome (30), a first element (40), and a second element (50). The radome (30) has a ridge portion (31) oriented in the longitudinal direction toward the vehicle travel direction and side portions (32) extending from both sides of the ridge portion (31). The first element (40) is disposed on the left side in the vehicle travel direction and is disposed in a manner inclined with respect to the base plate (10) as viewed from the front in the vehicle travel direction, with the upper end edge (41) disposed in the vicinity of the ridge portion (31). The second element (50) is disposed on the right side in the vehicle travel direction, with the upper end edge (51) disposed in the vicinity of the ridge portion (31) in a manner spaced apart from the first element (40), and the second element (50) is disposed opposite the first element (40) toward the base plate (10) from the ridge portion (31).

The invention provides an ultra-wideband four-arm dipole antenna for an unmanned aerial vehicle-mounted ground penetrating radar. The ultra-wideband four-arm dipole antenna comprises an antenna upper arm which comprises a first upper arm antenna and a second upper arm antenna which are symmetrically arranged; and the antenna lower arm is conducted with the first upper arm antenna and the second upper arm antenna through a first conductive connecting piece and a second conductive connecting piece respectively to form an equivalent parallel structure. The pair of upper arms introduced by the four-arm dipole antenna provided by the invention is coupled with the resistance-capacitance loading dipole antenna serving as an original antenna, and the antenna can generate a new resonance point under the coupling action, so that the bandwidth of the antenna is effectively expanded. Meanwhile, the input impedance imaginary part of the original antenna is obviously improved and is close to 0 in most frequency bands, the radiation characteristic of the antenna is effectively improved, and the antenna gain is finally improved.

This application provides a base station antenna and a base station system. The base station antenna includes a reflection panel, a dielectric body, a metal strip, a sliding dielectric, and an antenna element. The reflection panel is provided with a metal cavity, the metal cavity has an opening, and the opening faces a front side of the reflection panel. The metal strip is disposed on the dielectric body, one end of the metal strip is disposed in the metal cavity, and the other end of the metal strip extends out of the metal cavity. At least a part of the sliding dielectric is slidably disposed in the metal cavity. The antenna element is connected to the end that is of the metal strip and that extends out of the metal cavity. In this application, in a structure in which the metal cavity is formed on the reflection panel, the reflection panel can reflect an electromagnetic wave, and can also serve as a part of a feeding network, thereby improving integration of the base station antenna, and facilitating miniaturization of the base station antenna. In addition, both the feeding network and the antenna element are connected to the reflection panel, so that a structure of the base station antenna is simplified, thereby reducing a loss, and reducing costs.

This electronic device comprises: a wireless communication circuit; a distribution circuit connected to the wireless communication circuit; a frame defining at least a portion of a side surface of the electronic device, wherein the frame includes a conductive portion having a first feed point and a second feed point electrically connected to the distribution circuit; and a phase shifting circuit for connecting the distribution circuit to the first feed point of the conductive portion. The conductive portion includes a first portion between the first feed point and the second feed point, a second portion between the first feed point and one end of the conductive portion, the first feed point being distinguished from a ground of the electronic device, and a third portion between the second feed point and the other end of the conductive portion, the second feed point being distinguished from the ground of the electronic device. The conductive portion is configured to function as a radiator of an antenna through the first portion of the conductive portion, the second portion of the conductive portion, and the third portion of the conductive portion.

To enable mitigation of deterioration of performance of an antenna device even when a broadband antenna of the antenna device is used while being close to a metal body.SOLUTION: An antenna device 1 includes a broadband antenna 10, a first metal plate 21, and a second metal plate 22. The broadband antenna 10 is arranged on the first metal plate 21 and the second metal plate 22, and the first metal plate 21 and the second metal plate 22 serve as objects to which the broadband antenna 10 is attached. A slit portion 23 at which a region containing a power feeding point 12 and a power feeding point 13a is located is formed between the first metal plate 21 and the second metal plate 22. As a result, even when the broadband antenna 10 is used while being close to a metal body, deterioration in performance of the broadband antenna 10 can be mitigated.SELECTED DRAWING: Figure 1

This invention discloses a resistively loaded, dual-polarized, ultra-wideband, angle-tightly coupled absorber, comprising a wide-angle matching layer, a loaded dipole tightly coupled antenna layer, and a metal ground plane layer. The wide-angle matching layer, the loaded dipole tightly coupled antenna layer, and the metal ground plane layer are arranged from top to bottom. An air layer A separates the wide-angle matching layer and the loaded dipole tightly coupled antenna layer, and an air layer B separates the loaded dipole tightly coupled antenna layer and the metal ground plane layer. Based on the antenna reciprocity principle, this invention introduces the design concept of tightly coupled antennas into absorber design, proposing a design for an absorber with dual-polarization, ultra-wideband, and wide-angle characteristics. The design is simple, has a short design cycle, is easy to manufacture, and has a stable structure.

An antenna system includes a lens portion that has a spherical surface, and an antenna feed structure coupled to a surface of the lens portion. The antenna feed structure includes one or more feed tiles supported by an electrical connectivity layer conforming to the spherical surface. The antenna system also includes one or more offset structures positioned between the one or more feed tiles and an outer surface of the antenna system.

The vehicle comprises: a metal frame having an opening formed therein; a glass panel including a transparent area and an opaque area; and an antenna assembly disposed on the glass panel. The antenna assembly comprises: a first dielectric substrate which is disposed on the transparent area of the glass panel, and which has a first transparent antenna and a second transparent antenna formed on one surface thereof; a second dielectric substrate which includes a first ground area and a second ground area, and which is disposed in a recessed portion of the metal frame and in the opaque area of the glass panel; and a slot pattern formed in a pattern area arranged between the first ground area and the second ground area.

The present invention relates to a phase shifter having low loss in broadband, and a wireless communication device comprising same. The wireless communication device according to one embodiment comprises: a wireless communication module; a first antenna; a first transmission line for allowing the transmission of a signal between the wireless communication module and the first antenna; and a phase shifting element arranged in series on the first transmission line, wherein the phase shifting element is stacked in the vertical direction and can include a plurality of resonant unit elements electrically connected in parallel to one another.