1019results about "Separate antenna unit combinations" patented technology

The invention discloses a compact dual-frequency dual-circularly-polarized satellite-borne common-caliber antenna array, which belongs to the technical field of antennae, and comprises a plurality of basic sub-arrays, each basic sub-array comprises a low-frequency receiving antenna, a high-frequency transmitting antenna, a metal cavity, a transmitting-receiving antenna differential feed phase-shift network and an antenna supporting structure which are sequentially connected from top to bottom; the transmitting antenna is fixed on the metal cavity, the metal cavity is connected with a feed probe insulator, a metal probe in the middle of the feed probe insulator is connected with feed coupling branches of the receiving antenna and the transmitting antenna in a spot welding mode, the metal cavity is provided with an open slot, and the open slot is communicated with the feed probe insulator. The receiving antenna is inserted into the transmitting antenna and the open slot in a plug-in manner; wherein the receiving antenna and the transmitting antenna both adopt an antenna form of differential feed and inverted-L-shaped probe adjacent coupling feed. According to the array, through reasonable arrangement of the receiving antenna, the transmitting antenna, the metal cavity, the transmitting and receiving antenna differential feed phase shift network and the antenna supporting structure, the requirements of low cost, integration, light weight and multi-band application of the satellite-borne phased array are met.

An antenna unit can include a case, a baseplate, and an antenna assembly. The case can include a base defining a first internal volume and a lid defining a second internal volume, the lid configured to couple to the base, the lid configured to move between a closed configuration and an open configuration to selectively permit access to an interior of the case. The antenna unit can include one or more components located within the first internal volume of the base. The baseplate can be configured to be removably coupled to the lid. The antenna assembly can include a plurality of antennas coupled to the baseplate and located within the second internal volume. The antenna unit can act as an emergency portable hot spot and serve as a complete portable network in a singular box and / or case. Additional antenna systems, including directional antenna systems, satellite terminal antenna systems and various other multi-band antennas and components are also disclosed.

The invention relates to the technical field of antenna equipment, in particular to a multi-frequency resonant circularly polarized antenna array and a communication performance test method thereof, and solves the problem that an antenna cannot communicate through different frequencies at the same time. The antenna array comprises an antenna substrate, a circular antenna assembly and a radio frequency signal line; the circular antenna assembly comprises a feeding point, a feeder line and a radiation unit; when the circular antenna assembly works in a low-frequency working frequency band, the first branch knot and the second branch knot in the radiation unit form a first equivalent resonance length, and when the circular antenna assembly works in a high-frequency working frequency band, the part, close to the feeder line, of the second branch knot in the radiation unit and the third branch knot form a second equivalent resonance length. And when the circular antenna assembly works in a working frequency band with higher frequency, the part, close to the feeder line, of the second branch knot in the radiation unit and the fourth branch knot form a third equivalent resonance length. According to the invention, multi-band radiation and receiving can be realized, and the flexibility of the antenna is improved.

A dual-frequency antenna and an electronic device are provided, and belong to the field of communication technology. The dual-frequency antenna includes a first antenna unit and a second antenna unit opposite to each other, and a filtering unit therebetween. An operating frequency band of the first antenna unit is a first frequency band; an operating frequency band of the second antenna unit is a second frequency band; the filtering unit is configured to reflect an electromagnetic wave of the first frequency band and to transmit an electromagnetic wave of the second frequency band; the first antenna unit is configured to receive the electromagnetic wave of the first frequency band and to reflect the received electromagnetic wave of the first frequency band by the filtering unit; and the second antenna unit is configured to receive and reflect the electromagnetic wave of the second frequency band transmitted by the filtering unit.

Radio frequency antenna designs for mobile devices are provided. An example patch antenna element includes an active element comprising a square metallic patch disposed on a first plane, a plurality of metallic patches disposed on a second plane that is above and parallel to the first plane, wherein each of the plurality of metallic patches are separated from one another in the second plane by a gap, and a plurality of via structures disposed between the first plane and the second plane, wherein each of the plurality of via structures is configured to electrically couple a respective one metallic patch of the plurality of metallic patches with the active element.

We generally describe an antenna system comprising a dual-polarized radiating element extending generally in a first direction parallel or substantially parallel to a reflector of the antenna system. The dual-polarized radiating element is configured to emit an electromagnetic wave. The antenna system further comprises a low-pass filter structure extending generally in a second direction perpendicular or substantially perpendicular to the reflector of the antenna system. The low-pass filter structure is spaced apart, in relation to the first direction, from a center portion of the dual-polarized radiating element. The antenna system further comprises a coupling feeding line which electrically couples, via a region which comprises an end portion of the dual-polarized radiating element, the low-pass filter structure with the center portion of the dual-polarized radiating element for feeding an electrical signal via the low-pass filter structure through the coupling feeding line to the center portion of the dual-polarized radiating element.

The invention discloses a filtering antenna, a common-caliber antenna array and a base station, and the filtering antenna comprises a radiation structure which comprises a radiation substrate, at least one electric dipole and a plurality of open-circuit branches; the electric dipole comprises two annular radiation arms which are symmetrical about the center of the radiation substrate; the annular radiation arm is connected with at least one open-circuit branch knot and is in the same plane with the open-circuit branch knot; and the open-circuit branch knot is used as a filtering structure.

This application provides a foldable electronic device, including two main bodies that are capable of being relatively folded or unfolded and a main antenna unit and a parasitic antenna unit that are respectively disposed on the two main bodies. The main antenna unit includes a radiation stub and a ground port disposed between two ends of the radiation stub. The parasitic antenna unit includes a parasitic stub and a ground return port, and the ground return port is disposed on the parasitic stub and is close to or located at one of end portions of the parasitic stub. When the electronic device is in a folded state, the parasitic stub overlaps the radiation stub.

An electronic device includes a housing and a display screen that enclose an internal space. The housing includes a first conducting layer, and the display screen includes a second conducting layer. The first conducting layer and the second conducting layer are layered, and a conducting connection member disposed inside the electronic device is electrically connected between the first conducting layer and the second conducting layer. The first conducting layer, the conducting connection member, and the second conducting layer jointly enclose a cavity with a slot, forming a cavity-backed slot antenna.

An antenna assembly can include a case, a first ground plane, and a multi-band multi-element antenna. The case can include a body portion and a door pivotably coupled to the body portion. The first ground plane can be coupled to the body portion and can divide the case into a first internal volume and a second internal volume. The multi-band multi-element antenna can include at least one multi-band radiating element coupled to a top side of the first ground plane. The antenna assembly can include a tablet computer and / or a display screen.

The embodiment of the invention provides a ka and k waveband dual-frequency dual-polarization broadband wide-angle scanning common-aperture antenna unit and an antenna array, and relates to the technical field of common-aperture antenna arrays, the antenna unit comprises an antenna unit substrate, a low-frequency antenna, a high-frequency antenna and a wide-angle matching layer; the low-frequency antenna and the high-frequency antenna are arranged in the antenna unit substrate, and the high-frequency antenna comprises a shielding enclosure frame which is located between the low-frequency antenna and the high-frequency horizontal polarization L-shaped feed probe and between the low-frequency antenna and the high-frequency vertical polarization L-shaped feed probe; the wide-angle matching layer is arranged on the front surface of the antenna unit substrate and is positioned above the low-frequency antenna and the high-frequency antenna; wherein the low-frequency antenna is an L-shaped probe coupling microstrip patch antenna with a shielding enclosure frame, and the high-frequency antenna is a slot antenna. The antenna is simple in structure, employs a printed board technology, is very low in processing difficulty, is lower in cost, and is easy to be interconnected with rear-end equipment.

An antenna module is configured to receive a signal from a baseband circuit and to radiate a radio wave. The antenna module includes a dielectric substrate, radiating elements, and a connector. The dielectric substrate includes planar sections having different normal directions. A first radiating element is disposed in or on the planar section. A second radiating element is disposed in or on the planar section. The antenna module is configured to transfer a radio-frequency signal to a third radiating element, which is externally disposed, via the connector. The size of the second radiating element is smaller than that of the third radiating element.

Devices and systems for increasing the gain and / or offering multiple antenna frequencies while conserving space on the antenna are provided. According to various aspects of the technology, panels with antenna elements are stacked to create a MIMO antenna array with more antenna elements while conserving space. In some aspects, the antenna elements are the same size and produce the same frequency while their physical configuration increases the gain of the antenna. In alternative aspects, the antenna elements are different sizes and produces different frequencies such that the antenna offers a greater variety or bandwidth of frequencies while conserving physical space on the antenna (i.e., maximizing a total quantity of antenna elements associated with the antenna). Using an antenna system and device with an increased quantity of antenna elements increases one or more of the system capacity, data rates, reliability, gain, coverage range, and the like.

This application describes multi-band antenna systems and base stations. An example multi-band antenna system includes: a plurality of radiating element arrays, feeding networks separately corresponding to the plurality of radiating element arrays, at least one layer of a frequency selective surface (FSS), and a reflection panel. The plurality of radiating element arrays are located above the reflection panel. All or some of the plurality of radiating element arrays are stacked. The at least one layer of the FSS is located between the stacked radiating element arrays. A feeding network corresponding to at least one radiating element array in the stacked radiating element arrays is electrically connected to the at least one layer of the FSS, or the feeding network corresponding to the at least one radiating element array is integrated on the at least one layer of the FSS.

The invention discloses a K / Ka band circularly polarized transmit-receive common aperture phased array antenna and phased array, comprising: a multilayer stacked substrate structure, the substrate comprising a metal layer, a dielectric layer and a bonding layer; the K-band array element comprises a K-band radiation patch, a K-band feed structure and a K-band filtering structure, the K-band radiation patch, the K-band feed structure and the K-band filtering structure are arranged on part of the metal layer, and the K-band filtering structure comprises a first filtering structure, a second filtering structure and a third filtering structure; the Ka wave band array element comprises a Ka wave band parasitic patch, a Ka wave band radiation patch and a Ka wave band filtering structure which are arranged on part of the metal layer; each common-aperture phased-array antenna comprises a K-band array element and five Ka-band array elements. The common-caliber antenna provided by the invention can realize conical wide-angle scanning in the K / Ka wave band, and solves the problems of poor same-frequency and different-frequency isolation of the common-caliber antenna and poor scanning axial ratio performance of a circular polarization array.

The invention belongs to the technical field of high-orbit satellite communication. A ground station antenna S, Q, V multi-band dual-polarization feed source implementation device comprises an S-band dual-polarization feed source network, the S-band dual-polarization feed source network comprises a polarization switch, first duplexers, first sum-difference networks, a polarizer assembly and an S feed source horn, the polarization switch is connected with the two first duplexers, each first duplexer is connected with the first sum-difference network, and the S feed source horn is connected with the second duplexers. The output of one first sum-difference network is connected to a left-hand polarization port of each polarizer assembly, the output of the other first sum-difference network is connected to a right-hand polarization port of each polarizer assembly, and each polarizer assembly is connected with an S feed source horn; the Q / V frequency band feed source network comprises two second duplexers which are respectively connected with a quadrature device, a polarizer is respectively connected with the quadrature device and a tracker, and the tracker is respectively connected with a difference signal synthesis network and a Q / V corrugated horn; and the S feed source horns are arranged around the Q / V corrugated horns. And the optimal utilization effect of space and signal receiving and transmitting efficiency is achieved.

An antenna structure includes a ground element, a feeding radiation element, a first radiation element, a second radiation element, a shorting radiation element, a third radiation element, and a fourth radiation element. The feeding radiation element has a feeding point. The first radiation element is coupled to the feeding radiation element. The second radiation element is coupled to the feeding radiation element. The second radiation element and the first radiation element substantially extend in opposite directions. The feeding radiation element is further coupled through the shorting radiation element to the ground element. The third radiation element is coupled to the ground element. The third radiation element is adjacent to the first radiation element. The fourth radiation element is coupled to the ground element. The fourth radiation element is adjacent to the second radiation element.

This application provides a base station antenna and a base station. The base station antenna includes a first antenna array, a frequency selective surface, a second antenna array, and an antenna conductive component. The frequency selective surface is located between a first radiator of a radiating element of the first antenna array and the second antenna array. The frequency selective surface is configured to reflect a radiation signal of the first antenna array and transmit a radiation signal of the second antenna array. The antenna conductive component and the first antenna array are located on a same side of an array surface of the second antenna array. The antenna conductive component includes a conductive substrate, a first structural unit, and a second structural unit. Both the first structural unit and the second structural unit encircle the conductive substrate once, and the first structural unit and the second structural unit are spaced apart and adjacent to each other, to form a capacitor. The base station includes a pole and the base station antenna, and the base station antenna is fastened to the pole. In this application, a problem of an electromagnetic shadow caused by blocking of a metal component can be mitigated.

An antenna module mounted on a vehicle, and including a first radiator structure including a top conductive pattern and first and second side conductive patterns extending from both end portions of the top conductive pattern; a second radiator structure connected to the top conductive pattern, including a plurality of connected conductive patterns and forming a helical structure having first to fourth side surfaces, and configured to operate in a second frequency band and a third frequency band that are higher than a first frequency band; and a third radiator structure including a conductive pattern spaced from the second radiator with a dielectric substrate disposed between the second radiator structure and the third radiator structure and configured to operate in a fourth frequency band higher than the third frequency band; and a feeder including a first feed line feeding a first signal to the first and second radiator structures, and including a second feed line feeding a second signal to the third radiator structure. Further, in the first frequency band, the first structure generates a first electric field distribution from the top conductive pattern and first and second side conductive patterns, and the second radiator structure generates a second electric field distribution from the conductive patterns of the helical structure formed on the second side surface of the second radiator structure to generate the first frequency band, and in the second frequency band, the second radiator structure generates third electric field distributions of the conductive patterns of the helical structure formed on the first side surface and the third side surface of the second radiator structure to generate the second frequency band.

The present invention relates to an antenna device and an electronic device using same, the antenna device having twice as many antennas arranged in the same area so as to be reduced in size by half and be capable of performing high power long-distance transmission. The antenna device according to the present invention comprises: a core printed circuit board having antenna circuits arranged therein; a Yagi-Uda antenna formed on a plurality of printed circuit boards arranged above the core printed circuit board, so as to transmit a single polarization signal; a monopole antenna connected to the Yagi-Uda antenna through a via; and a ground radiation unit arranged below the core printed circuit board so as to be symmetrical to the monopole antenna with respect to the core printed circuit board.

A mobile terminal includes: a casing including a metal frame and a rear cover, wherein the metal frame is provided with a plurality of slots to divide the metal frame into a plurality of metal parts arranged at intervals; an antenna bracket being provided with a plurality of wirings; a first antenna assembly including a plurality of antenna structures, wherein the plurality of antenna structures are formed based on a plurality of metal parts arranged at intervals and a plurality of wirings, and a working frequency band of the plurality of antenna structures is a sub-6G frequency band; and a second antenna assembly including a plurality of millimeter-wave antenna modules, wherein a working frequency band of the plurality of millimeter-wave antenna modules is a millimeter-wave frequency band.

A lower frequency band antenna for a multiband antenna system and an antenna system comprising the lower frequency band antenna and a higher frequency band antenna are disclosed. The multiband antenna system comprises at least one lower frequency band antenna and at least one higher frequency band antenna, the lower frequency band antenna comprising: a substrate mounting a plurality of dipole arms each comprising a plurality of conductive loops, the substrate and dipole arms forming a frequency selective surface predominantly transparent to the higher frequency band and resonating at the lower frequency band. Each of the dipole arms comprises an array of cells, each cell comprising at least one of the plurality of conductive loops configured as an outer conductive cell loop defining an outer periphery of the cell, a size of the outer conductive cell loop determining the higher frequency band that the frequency selective surface is transparent to, and a number of cells in the array determining the lower frequency band that the antenna resonates at.

The invention relates to a Ka-band dual-frequency dual-polarization common-caliber millimeter wave antenna system which comprises an antenna unit. The antenna unit comprises a metal floor, a first dielectric layer, a second dielectric layer, a third dielectric layer, a first radiation unit, a first feed patch, a fourth dielectric layer, a fifth dielectric layer, a second radiation unit and a second feed patch which are sequentially stacked from bottom to top, and the first radiation unit and the first feed patch are located on the same layer. The second radiation unit and the second feed patch are located on the same layer; the first feed patch and the second feed patch are different in shape and size. According to the Ka-band dual-frequency dual-polarization common-caliber millimeter wave antenna system, the antennas working in different frequency bands are highly concentrated in a physical space, the problem of serious mutual coupling between the antennas in a compact space is solved, antenna miniaturization is achieved, meanwhile, signal loss is reduced, and therefore the applicability of the antennas is improved.

An antenna structure includes a ground element, a feeding radiation element, a first radiation element, a second radiation element, a shorting radiation element, a third radiation element, a filter circuit, a proximity sensor, and a tuning circuit. The ground element provides a ground voltage. The feeding radiation element has a feeding point. The first radiation element and the second radiation element are coupled to the feeding radiation element, or are disposed adjacent to the feeding radiation element. The first radiation element is also coupled through the shorting radiation element to the ground voltage. The third radiation element is disposed adjacent to the first radiation element. The third radiation element is coupled through the filter circuit to the proximity sensor. The filter circuit is also coupled through the tuning circuit to the ground voltage.

This application provides a communication apparatus and a base station antenna feeder system. The communication apparatus includes a power generation assembly, an antenna, and a fastening assembly. The power generation assembly includes a blade and a generator. A rotating shaft of the blade is connected to the generator. The blade, the generator, and the antenna are mounted to the fastening assembly. The fastening assembly is configured to mount the blade, the generator, and the antenna to a mounting bracket. The antenna may be disposed around the rotating shaft of the blade.

An antenna array has two columns of dipoles that are configured to radiate distinct signals. The top and bottom row of dipoles have a coupler that splits the power of each column such that each of the two dipoles at top and bottom radiate in both signals at a given power split ratio. The coupler provides for phase compensation so that the two radiated signals are phase aligned across the top and bottom row. Having the power shared at the top and bottom rows shifts the phase center away from the edge of the ground plane of the antenna's reflector. The coupler is configured so that its coupling efficiency is greatest at the lowest frequency and least at its highest frequency. This improves the performance of the antenna array in the low frequencies while preserving antenna diversity between the two radiated signals.

An implantable medical device is disclosed having a single antenna structure in its header capable of receiving power from an external charger by near-field magnetic induction, and capable of communicating data with an external communication system by far-field radio frequency (RF) waves. The antenna structure preferably comprises a stamped conductive sheet and is generally loop shaped. The antenna in one example includes end connections and a center connection which acts as an RF feed, although the antenna may also have just two connections. An algorithm operable at least in the IMD can if necessary time multiplex the data and charging operations of the antenna and can configure the IMD's circuitry to operate in either a charging mode or a data communications mode.

This application provides a terminal antenna, including a first radiator, a second radiator, a third radiator, a first tuning circuit, and a second tuning circuit. The third radiator includes a low frequency radiator and a medium-high frequency radiator. The first tuning circuit is configured to adjust a frequency of a resonance of a ¾λ mode of a medium-high frequency produced by the low frequency radiator to be less than a frequency of a resonance of a left-handed antenna mode. The second tuning circuit is configured to adjust the frequency of the resonance of the left-handed antenna mode to be greater than the frequency of the resonance of the ¾λ mode of the medium-high frequency produced by resonating by the low frequency radiator. Values of both the first distance and the second distance are less than 1 / 16λ of a frequency band in which the third radiator produces a low frequency.

An antenna device comprises a substrate including a planar first region and a planar second region; at least one first radiating element, arranged in the first region, that communicates a radio wave of a first frequency; and at least one second radiating element, arranged in the second region, that communicates a radio wave of a second frequency. A separation direction is a direction of a straight line connecting a first geometric center position of the at least one first radiating element and a second geometric center position of the at least one second radiating element, and in a case that the second region is viewed along a normal direction of the second region, an angle formed by the separation direction and a polarization direction of the at least one second radiating element is equal to or greater than 45° and equal to or less than 90°.

The invention belongs to the technical field of antennas, and relates to a common-caliber dual-polarization tight coupling array antenna capable of wide-angle scanning, which comprises a low-frequency antenna array surface, a low-frequency vertical branch knot, a low-frequency feed balun, a high-frequency antenna array surface, a low-frequency feed network and a coaxial connector. According to the invention, a traditional ultra-wideband tight coupling array antenna is decomposed into two antennas with small bandwidths, and loading of resistive materials is avoided through common-caliber configuration. Wherein an upper-layer low-frequency antenna unit is divided into a plurality of sub-units, electromagnetic transparency of a lower-layer high-frequency antenna is realized by adopting a winding line design, mutual interference of high and low frequencies is further inhibited by loading a vertical branch knot, and the fractal low-frequency sub-units are synthesized into a large unit through a power divider. According to the dual-polarization ultra-wideband antenna, the average efficiency reaches 85% in the working frequency bands of 2-6GHz and 7-18GHz, the active standing-wave ratio is smaller than 4 in the scanning range of + / -60 degrees, and the problem that in a traditional design, ultra-wideband, high efficiency, wide-angle scanning and dual polarization cannot be achieved at the same time is solved.