97results about "Antennas with plural divergent straight elements" patented technology

The present invention relates to base station antenna assembly. a base station antenna assembly including a reflector; a first radiator; a second radiator; a feeder panel including a dielectric substrate and a conductor plane capacitively coupled with a ground plane formed on a rear surface of the dielectric substrate; a first feed path including a first feed line extending from the rear of the feeder panel to the front of the feeder panel and a second feed line formed on a front surface of the dielectric substrate; a second feed path including a first feed line extending from the rear of the feeder panel to the front of the feeder panel and a second feed line formed on a front surface of the dielectric substrate; and a gap resonator deposited between the first feed line of the first feed path extending to the front of the feeder panel and the first feed line of the second feed path extending to the front of the feeder panel, and the gap resonator being configured to resonate at the first frequency, wherein the first frequency is within the operating frequency bands of the first and second radiators.

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.

Radiating elements comprise a feed column, a first dipole radiator that includes a first dipole arm and a second dipole arm that are connected to the feed column, and a second dipole radiator that includes a third dipole arm and a fourth dipole arm that are connected to the feed column. The feed column, the first dipole radiator and the second dipole radiator are formed as a monolithic structure.

Antennas having single or parallel printed circuit board-based feed stalks and base station antennas having such radiating elements. The single feed stalk can have two feed lines configured to feed radio frequency signals to respective dipole radiators. Each feed line can have twin ground lines on one side (primary surface) of the single feed stalk printed circuit board and a cooperating feed trace on an opposing side (opposing primary surface) that provide RF transmissions from a feed network to a dipole radiator. The twin ground lines for the first feed line can be on a different primary surface than the twin ground lines for the second feed line and one ground line of each twin line set can cross-over each other at a forward end portion of the feed stalk. The parallel feed stalk printed circuit board can provide two feed lines for a respective dual polarized radiating element.

The embodiment of the invention provides an antenna oscillator, an antenna and communication equipment. The antenna oscillator comprises four radiators and four feed structures, and the feed structures are connected with the radiators and used for feeding the radiators. The radiator comprises a first transmission line, a first radiation arm, a second radiation arm and a second transmission line which are connected in sequence, wherein the first transmission line and the second transmission line are respectively connected with the feed structure. The four radiators are respectively a first radiator, a second radiator, a third radiator and a fourth radiator, and the first radiator and the second radiator radiate signals along a first polarization direction; and the third radiator and the fourth radiator radiate signals along the second polarization direction to form a dual-polarization radiator. The feed structure is a one-to-two feed structure, and the two radiators are connected in parallel and are connected with the same feed structure. The scheme can reduce the aperture of the antenna and improve the gain of the antenna. In addition, the radiator has two current distribution modes, and the bandwidth is wide.

This application provides a multi-band shared-aperture antenna. The multi-band shared-aperture antenna includes a first antenna array, a second antenna array, and a reflection panel, where the first antenna array includes four first dielectric plates perpendicular, two adjacent first dielectric plates are perpendicular to each other, the first antenna array includes four hollowed butterfly dipole units, the dipole unit includes two radiation arms, the two radiation arms are respectively printed on two adjacent first dielectric plates, the radiation arm includes a first part and a second part, a first feeding stub is disposed on the first dielectric plate, the second part has a specified width in a direction perpendicular to the reflection panel, the second antenna array includes a plurality of second dielectric plates, four ring-shaped coils are disposed on any one of the second dielectric plates, and the ring-shaped coil is connected to a second feeding stub.

To compactly store an element holder supporting an antenna element when stored, and to hold the element holder so that its position does not change due to shock or impact at launch. [Solution] The antenna device 1, which can be in a stored state stored within a housing 10 and in a deployed state extending to the outside from the housing 10, comprises an extension shaft member 20 that can be extended in the axial direction from within the housing 10, a plurality of element holders 30 that can move along the extension shaft member 20, and an antenna element 40 that can be deployed from the element holder 30, and the element holders 40 have a recess formed on one side and a convex portion formed on the other side, and in the stored state, the convex portion of one element holder 40 fits into the recess of the other adjacent element holder 40.

A narrow-band dipole antenna module comprising: a housing comprising a base having an opening defined therein, and a hollow post extending [A1] from the opening and having a plurality of antenna openings defined therein; a circuit assembly configured for insertion into the housing comprising: an input printed circuit board having transmit and receive connectors thereon; a matching printed circuit board having lumped element matching components and a plurality of terminal blocks thereon; a pair of coaxial feed lines connected between the input and matching printed circuit boards, each having a coil formed therein such that the feed lines act as a balun; and at least one rigid support member connected between the input and matching printed circuit boards such that when the circuit assembly is inserted into the housing the terminal blocks are adjacent the antenna openings; and a plurality of antenna elements configured to be connected to the terminal blocks.

A locator includes a yaw sensor for measuring a yaw orientation of the locator and a triaxial antenna for receiving a dipole electromagnetic signal to generate flux components. A processor generates a relative yaw orientation characterizing a difference between the yaw orientation of the walkover locator and a reference yaw orientation of the transmitter and determines an actual position of at least one of the locate points relative to the walkover locator based on at least one measured set of the flux components, the relative yaw orientation and the measured pitch orientation of the transmitter. The locator can measure GPS positions of locate points at least for use in identifying an overhead position. Selected combinations of various positions and features relative to the transmitter and locator can be shown in isometric views. The locator can be configured for automatic switching between locating modes based on proximity to a plane of symmetry.

Antennas having single or parallel printed circuit board-based feed stalks and base station antennas having such radiating elements. The single feed stalk can have two feed lines configured to feed radio frequency signals to respective dipole radiators. Each feed line can have twin ground lines on one side (primary surface) of the single feed stalk printed circuit board and a cooperating feed trace on an opposing side (opposing primary surface) that provide RF transmissions from a feed network to a dipole radiator. The twin ground lines for the first feed line can be on a different primary surface than the twin ground lines for the second feed line and one ground line of each twin line set can cross-over each other at a forward end portion of the feed stalk. The parallel feed stalk printed circuit board can provide two feed lines for a respective dual polarized radiating element.

This antenna comprises a first plate conductor and a columnar conductor provided so as to protrude on a plate surface of the first plate conductor. The tip end of the columnar conductor has a feed point, and the cross-sectional area of a cross-section of the columnar conductor along the plate surface is greater than the area of the end surface of the tip end.

This application provides an antenna and a base station. The antenna includes a power splitter and a radiating element. The power splitter includes a cavity and a feeding network, and the feeding network is disposed in the cavity. The radiating element includes a radiator, a feeding part, and a protective cover. The feeding part is connected between the feeding network and the radiator, to feed the radiating element. The radiator and the protective cover are fastened together, and the feeding part is located inside the protective cover. The protective cover is fastened to the cavity, the protective cover and a surface of the cavity form an accommodating cavity, and the feeding part is located in the accommodating cavity. The accommodating cavity meets a preset protection rating, so that the feeding part can be protected in the accommodating cavity. The feeding part of the radiating element is directly connected to the feeding network located in the cavity. Therefore, cascading of coaxial cables in the antenna can be reduced, helping implement efficient radiation. When being required to ensure same coverage signal strength, the antenna requires less input power, saving electrical energy and further reducing carbon emissions.

A dipole capable of radiating in a wide frequency range of 2.7-4.3 GHz has a folded dipole conductive pattern that is formed on the upper surface of a PCB and a passive conductive pattern that is formed on the lower surface of the PCB providing a wide-band nature to the antenna element. The folded dipole conductive pattern has four base regions, each having a bond pad and four meander traces that couple the adjacent base regions. Each of the four base regions electrically couples to its corresponding balun circuit at one of four solder joints at a corresponding solder joint tab, wherein each of the solder joint tabs mechanically couples with the PCB at one of its four corners. The dipole may also include a passive director that is disposed on an upper surface of the PCB in an open region defined by the folded dipole conductive pattern.

To provide a multi-antenna that avoids or inhibits electromagnetic coupling problems while increasing spatial efficiency.SOLUTION: A multi-antenna comprises: a substrate; a first antenna element comprising two linear antennas extending from a first feeding point in two different directions, and a second antenna element comprising two linear antennas extending from a second feeding point in two different directions, the first and second antenna elements being arranged to surround one area of the substrate 1; and a connecting line connecting the first feeding point of the first antenna element and the second feeding point of the second antenna element. The connecting line is connected to the first feeding point of the first antenna element without extending along the bisector of the interior angle formed by the two linear antennas whose the apex is the first feeding point of the first antenna element. The connecting line is connected to the second feeding point of the second antenna element without extending along the bisector of the interior angle formed by the two linear antennas whose apex is the second feeding point of the second antenna element.SELECTED DRAWING: Figure 8

A UHF sports timing tag assembly is provided, the UHF sports timing tag assembly comprising a support sheet, e.g., a bib, where a tag is supported by the support sheet, the tag comprising a dipole antenna and configured to transmit UHF signals to a receiver, and the UHF sports timing tag assembly comprising a spacer attached to the support sheet, where the tag is attached to the spacer, the spacer providing a predetermined spacing between the tag and the body of a wearer of the support sheet, at least a portion of the spacer having a general U-shape with opposing clamping members that receive the support sheet and provide a gap for clamping onto the support sheet.

This application provides an antenna and a base station. The antenna includes a power splitter and a radiating element. The power splitter includes a cavity and a feeding network, and the feeding network is disposed in the cavity. The radiating element includes a radiator, a feeding part, and a protective cover. The feeding part is connected between the feeding network and the radiator, to feed the radiating element. The radiator and the protective cover are fastened together, and the feeding part is located inside the protective cover. The protective cover is fastened to the cavity, the protective cover and a surface of the cavity form an accommodating cavity, and the feeding part is located in the accommodating cavity. The accommodating cavity meets a preset protection rating. The feeding part of the radiating element is directly connected to the feeding network located in the cavity.

The invention relates generally to a wireless microphone system and methods. The system may include one or more antennas, such as a monopole and dipole antennas, arranged within a housing. The housing may include a circuit boarding having a ground plane. The circuit board may be connected to a microphone configured to protrude from an opening of the housing. Further, a windshield including a bayonet-type connector may removably mount with a mount on the housing. Advantageously, the system may be configured to provide noise dampening and facilitate linking with other devices more efficiently and effectively.

Methods and apparatus for use as an antenna assembly are disclosed. In one embodiment, the antenna assembly includes a base portion functioning as an interface between the antenna assembly and a reflector; a base portion to radiator feed structure; and a radiator. The radiator includes: a plurality of resonator arms, each of the resonator arms including a plurality of inductive capacitive filters, the plurality of inductive capacitive filters including a straight-line portion and a meandering portion that act as an inductive portion of the inductive capacitive filter. A gap in the meandering portion acts as a capacitive portion of the inductive capacitive filter. Multiband antenna assemblies that utilize the aforementioned antenna assembly as well as methods of their manufacture and use are also disclosed.

Ultra-wide band (UWB) Frasera antenna elements are disclosed, including a radiator and fencing structure having features that designed to obtain 3GPP Standards-compliant levels of performance over a 45% bandwidth for return loss, polarization discrimination, polarization isolation, and mutual coupling.

An antenna having a single or parallel printed circuit board-based feed pole and a base station antenna having such a radiating element are provided. The single feed pole may have two feed lines configured to feed a radio frequency signal to respective dipole radiators. Each feed line may have dual ground lines on one side (major surface) of the single feed pole printed circuit board and cooperating feed traces on opposite sides (opposite major surfaces) that provide RF transmission from the feed network to the dipole radiator. The dual ground lines of the first feed line may be located on different major surfaces from the dual ground lines of the second feed line, and one ground line in each of the two-line groups may intersect each other at a front end portion of the feed pole. The parallel feed pole printed circuit board may provide two feed lines for respective dual-polarized radiating elements.

An antenna device includes: a feeding point that excites a high-frequency signal; a first conductor having a first end serving as a first open end and extending from the feeding point to the first open end; and a second conductor having a first end serving as a second open end and extending spirally between the feeding point and the second open end in a direction different from a direction directed from the feeding point to the first open end.

A narrow-band dipole antenna module comprising: a housing comprising a base having an opening defined therein, and a hollow post extending from the opening and having a plurality of antenna openings defined therein; a circuit assembly configured for insertion into the housing comprising: an input printed circuit board having transmit and receive connectors thereon; a matching printed circuit board having lumped element matching components and a plurality of terminal blocks thereon; a pair of coaxial feed lines connected between the input and matching printed circuit boards, each having a coil formed therein such that the feed lines act as a balun; and at least one rigid support member connected between the input and matching printed circuit boards such that when the circuit assembly is inserted into the housing the terminal blocks are adjacent the antenna openings; and a plurality of antenna elements configured to be connected to the terminal blocks.

An antenna unit, in particular a UHF antenna (100), is provided, comprising a printed circuit board (150) with a first and second printed circuit board side (151, 152), a substantially triangular antenna (110) with a connection point (111) at a triangle apex on the first printed circuit board side (151), a coaxial connecting line (130) or a microstrip feed, a matching tap line (140) for impedance matching on the first printed circuit board side (151) and a director board (120) parallel to the antenna (110).

To provide a transmitter having characteristics more excellent than conventional ones. The transmitter includes: a housing; a main board arranged in the housing; a first antenna board having a first antenna part, arranged in the housing; and a reflecting part for reflecting electromagnetic waves outputted from the first antenna part.

A magneto-electric dipole antenna includes a substrate module, a radiative element, a first feeding probe, a second feeding probe, a first feed-in line and a second feed-in line. The radiative element is disposed above the substrate module. The first feeding probe and the second feeding probe are disposed in the substrate module below the radiative element and extend from top to bottom. The first feed-in line and the second feed-in line are disposed below the substrate module, and are electrically connected to the first feed-in line and the second feed-in line respectively. When the radiative element receives an input electromagnetic wave, a portion of the input electromagnetic wave is sequentially and electromagnetically coupled to the first feeding probe and the first feed-in line, and another portion of the input electromagnetic wave is sequentially and electromagnetically coupled to the second feeding probe and the second feed-in line.

A vehicle glass having an antenna is provided. The vehicle glass comprises: a first glass layer; a metal thin film layer, which is disposed on the first glass layer and has an antenna pattern; and a ground layer, which is disposed under the first glass layer. The antenna pattern includes signal lines and at least one coplanar waveguide (CPW) feed patch for a CPW feed. The antenna pattern is fed by a coplanar waveguide with ground (CPWG) using the ground layer and the CPW feed patch.

An electronic device is provided. The electronic device includes a housing including a conductive member on which at least one power supply point and ground point are positioned, at least one ground member arranged inside the housing, a first ground path connecting the ground point to the ground member, a second ground path connecting the ground point to the ground member, a printed circuit board (PCB) arranged inside the housing and a processor arranged on the PCB. The processor is configured to supply power to the at least one power supply point so that the conductive member transmits and / or receives a signal of a first frequency band.

Embodiments of this application provide an antenna element, an antenna, and a communication device. The antenna element includes four radiators and four feed structures. The feed structure is connected to the radiator, and is configured to feed the radiator. The radiator includes a first transmission line, a first radiation arm, a second radiation arm, and a second transmission line that are sequentially connected, where the first transmission line and the second transmission line are respectively connected to the feed structures. The four radiators are respectively a first radiator, a second radiator, a third radiator, and a fourth radiator, where the first radiator and the second radiator radiate signals in a first polarization direction, and the third radiator and the fourth radiator radiate signals in a second polarization direction, to form a dual-polarized antenna element. The feed structure is a one-to-two feed structure, and two radiators are connected in parallel and connected to a same feed structure. This solution can reduce an aperture of the antenna and improve a gain of the antenna. In addition, the radiator has two current distribution manners, and a bandwidth is wide.