105 results about "Monopole antenna" patented technology

A vehicle includes a window having an antenna assembly. The window includes a glass surface, a metal frame around the glass surface, and a set of defroster wires in the glass surface. A top wire of the set of defroster wires is separated from a top edge of the metal frame by an antenna region. The antenna is disposed in the antenna region. The antenna has a first end and a second end opposite the first end. The first end intersects a horizontal cover line of the metal frame tangentially. A feed line connects to the first end at the horizontal cover line. A ground line electrically couples the second end of the antenna to the metal frame.

A monopole wideband antenna is provided. The monopole wideband antenna comprise a quartic monopole feed element connected to a center feed of a coaxial connector. A Vivaldi ground plane element is connected to a shield end of the coaxial connector, wherein the Vivaldi ground plane element comprises two vanes, each on opposite sides of the shield end of the coaxial connector. The quartic monopole feed element and Vivaldi ground plane element are in a common plane.

This paper describes a multi-port planar antenna system with digital reconfigurability to adjust the beamdirection function of the system. A substrate is provided, and a grid of parasitic elements is printed on the surface of the substrate. One or more driving radiating elements, such as monopole antennas or dipole antennas, are printed on the substrate near the parasitic elements. Switching elements between adjacent parasitic elements are then configured to guide the radiation direction in a specific direction in the azimuth plane. The small form factor of this planar antenna system can be used in MIMO applications employed by fifth-generation (5G) devices such as mobile phones, Internet of Things (IoT) devices, and vehicles.

This invention belongs to the field of electronic connector technology, and particularly relates to an electronic connector with antenna function and its anti-interference method, comprising: a metal shell, an insulating body fixedly installed inside the metal shell, a connecting plug on one side of the insulating body, a conductive terminal group on the connecting plug, a PCB board on the other side of the insulating body, a radiating antenna on the PCB board, a buffer plate on the periphery of the connecting plug, and a buffer pad fixedly installed on one side of the buffer plate; a buffer assembly, located inside the metal shell, for buffering the buffer plate; the invention adopts a monopole antenna topology structure, and with the design of no radiator and PCB ground short-circuit pin, it significantly reduces the coupling of USB3.x ground noise to the antenna resonant structure, effectively avoids noise interference in the 2.4-2.5GHz band, significantly improves the stability and consistency of 2.4GHz band wireless communication on different USB3.x hosts, and adapts to complex host environments.

The application belongs to the technical field of antennas, and discloses an S / Ka-band common-aperture antenna and communication equipment, which comprises a first dielectric plate and a second dielectric plate stacked from top to bottom; the top surface, the middle and the bottom surface of the first dielectric plate are respectively provided with a rectangular patch array, a first metal through hole and a first metal layer; wherein the rectangular patch array, the first metal through hole and the first metal layer form a magneto-electric dipole antenna array; the magneto-electric dipole antenna array works in the Ka-band and is used for realizing satellite communication; the top surface, the middle and the bottom surface of the second dielectric plate are respectively provided with a second metal layer, a second metal through hole and a third metal layer; wherein the second metal layer, the second metal through hole and the third metal layer form a low-profile monopole antenna; the low-profile monopole antenna works in the S-band and is used for realizing ground equipment communication; the application has a simple structure, can realize different beams and polarization characteristics, effectively improves the space utilization rate of the antenna and has high integration.

The invention provides an ultra-wide-band monopole antenna and an array thereof. The ultra-wide-band monopole antenna comprises a bottom plate disc, a first antenna, a second antenna and a third antenna, the antenna comprises a base plate disc, a plurality of antenna units, the antenna units are circumferentially distributed on the base plate disc, the center distance between the antenna units and the base plate disc is 0.5 lambda, and lambda is the wavelength under the center frequency of the antenna units. By arranging the antenna units on the circumference, the problems of radiation efficiency reduction and directional diagram distortion are solved, and the technical problem that an antenna structure design capable of avoiding radiation efficiency reduction and directional diagram distortion is lacked in the prior art is solved.

Provided is a vehicle glass having an antenna. The vehicle glass comprises: a first glass layer; and a metal thin film layer disposed on the first glass layer and having an antenna pattern. The antenna pattern comprises: a first monopole antenna pattern extending from a feeding line in the longitudinal direction to radiate a predetermined first frequency band signal; a first transverse branch pattern extending from an end portion of the first monopole antenna pattern to a first transverse side surface; and a meander radiation pattern extending from a point between a feeding line-connection portion and the end portion of the first monopole antenna pattern to a second transverse side surface, having a meander line, and radiating a second frequency band signal that is lower than the first frequency band.

The embodiment of the application provides a magneto-electric monopole antenna unit, a magneto-electric monopole antenna array, an antenna and equipment, and belongs to the technical field of wireless communication. The antenna unit comprises a first dielectric substrate, a monopole radiator, a microstrip feed line, a metal reflector plate, a short-circuit metal column and two ground patches. It generates an electric monopole mode through the monopole radiator excitation, and generates a magnetic monopole mode through the short-circuit metal column, the ground patch and the reflector plate, and the two modes work together to realize wideband radiation and widen the beam width. The coupled currents on the two ground patches produce two pairs of opposite electric field components in the far field and offset each other, thereby realizing low cross polarization. The array composed of multiple units is loaded with a metasurface above, which significantly improves the port isolation by introducing a reflection path opposite in phase to the original coupling path. The application solves the technical problem that it is difficult to simultaneously realize wide-angle scanning, low cross polarization and high isolation in a wide frequency band.

The utility model provides a monopole antenna and an intelligent terminal, the monopole antenna comprises an antenna radiator, a feed source and a signal processing circuit, the antenna radiator is not in contact with the side wall of a battery compartment of the intelligent terminal, and the projection length of the antenna radiator on the side wall of the battery compartment is greater than half of the total length of the antenna radiator; the antenna comprises an antenna radiator, a feed source and a signal processing circuit, the feed source is electrically connected with the antenna radiator through the signal processing circuit, and the signal processing circuit is configured to process a radio frequency signal transmitted by the feed source, so that the radio frequency signal is in a preset working frequency band. The monopole antenna provided by the utility model has high radiation efficiency in a small clearance environment in the intelligent terminal.

An apparatus includes a module. The module includes an antenna structure. The antenna structure includes a printed monopole antenna. The antenna structure further includes first and second inductive-capacitive (LC) resonant networks that are coupled to the printed monopole antenna. The antenna structure further includes a double slotted loop coupled to the first and second LC resonant networks.

The invention provides a printed high-isolation multi-feed antenna. A multi-feed antenna apparatus includes a monopole antenna having an antenna portion, a first antenna extension having a first length extending from the antenna portion, a second antenna extension having a second length extending from the antenna portion, the second length being less than the first length; the slot antenna comprises a first slot with a third length and a second slot with a fourth length, and the fourth length is larger than the third length; a first antenna feeder coupled to the monopole antenna; a second antenna feeder coupled to the slot antenna; and a ground plane common to the monopole antenna and the slot antenna.

The present application relates to a one-way star wheel feeding device, a support, which is vertically installed on the top of a base; a tray, which is rotatably installed on the support, and the top surface of the tray is provided with a plurality of accommodating holes for carrying the star wheel, the accommodating holes are stepped holes with large upper end and small lower end; a driver, which is installed inside the base, and a rotary driven part for driving the tray to rotate around the support is arranged between the power output end of the driver and the tray. The stepped hole is adapted to the size of the star wheel and limits the position of the star wheel, avoiding the star wheel from falling down during the conveying process, and facilitating the subsequent clamping operation of the star wheel.

The invention belongs to the technical field of antennas, and particularly discloses an ultra-wideband differential feed monopole antenna for a ground penetrating radar. Comprising a reflection cavity box body with an opening in the top end, a third wave-absorbing material, a second wave-absorbing material, a first wave-absorbing material, a second 3D printing medium block, a medium substrate, a first 3D printing medium block, a first half-cut monopole metal patch, a second half-cut monopole metal patch, a first differential feeding point and a second differential feeding point. Aiming at the problems of large size, poor directivity, limited bandwidth, complicated manufacturing and the like of the existing ground penetrating radar antenna, the invention provides a double-patch differential feed bisected monopole antenna structure which is compact in structure, excellent in performance and controllable in process.

This vehicle glass comprises: a first glass layer; and a metal thin film layer disposed on the top of the first glass layer and having an antenna pattern. The antenna pattern comprises: a monopole antenna pattern extending in a longitudinal direction and radiating a signal in a predetermined reference frequency band; a first rectangular parasitic pattern disposed on a first lateral side of the monopole antenna pattern to be spaced apart from the monopole antenna pattern and radiating a signal in a first frequency band higher than the reference frequency band; and a second rectangular parasitic pattern disposed at a longitudinal position different from the first rectangular parasitic pattern on a second lateral side of the monopole antenna pattern to be spaced apart from the monopole antenna pattern and radiating a signal in a second frequency band lower than the reference frequency band.

The application provides a kind of ultra-wideband monopole antenna for high-voltage electrical equipment partial discharge detection, including first dielectric plate, second dielectric plate, third dielectric plate, fourth dielectric plate, metal reflector plate, radiator, square metal ring, metal sleeve, metal cap and coaxial cable;Metal reflector plate is printed on the lower surface of first dielectric plate;The radiator is printed on one side of second dielectric plate;The radiator is a ladder type monopole;The square metal ring is printed on one side of third dielectric plate;The metal sleeve is printed on the outer surface of fourth dielectric plate;The fourth dielectric plate is wrapped outside second dielectric plate and third dielectric plate, so that the metal sleeve is surrounded around the radiator and square metal ring.The ultra-wideband monopole antenna of the application has a simple and compact structure, without the need to form a complex array or increase a complex feed network, to achieve good omnidirectional coverage, more conducive to ultra-high frequency partial discharge detection.

The application discloses a kind of based on double-ridge substrate integrated waveguide and microstrip monopole antenna feed structure multiplexing co-boresight antenna, including double-ridge substrate integrated waveguide, surface plasmon polariton structure, Vivaldi radiator, metal grid array and integrated coaxial feed port, antenna uses multilayer stacking structure, surface plasmon polariton structure works as monopole in microwave frequency band, and high frequency and metal grid array jointly constitute metasurface lens;Vivaldi radiator is fed by double-ridge substrate integrated waveguide, for high-frequency end emission radiation;Two frequency bands are excited in orthogonal mode by integrated coaxial port and waveguide port respectively.The application is suitable for 5G / 6G base station, satellite communication and the like system, and has the characteristics of wide bandwidth, high isolation and structure multiplexing under compact profile.

A low-profile antenna comprising upper and lower sets of conductive arms capacitively loaded by upper and lower conductive rings respectively connected to distal ends of the upper and lower sets of conductive arms. The upper and lower conductive arms have edges that conform to prolate ellipsoid dome shapes that each have a major axis that aligns with a center axis. The upper and lower conductive arms converge at an upper hub and a lower hub at crowns of the prolate ellipsoid dome shapes, which have interiors that are substantially filled with RF-absorbing material. The upper and lower hubs are separated by an air gap.

This invention discloses a transceiver antenna with a dual-end-fire antenna element, belonging to the field of antenna technology. It addresses the problems of significant differences in target detection capabilities across different azimuth angles and weak lateral target detection capabilities in 5.8GHz radar sensor antenna designs. The invention employs two end-fire monopole antenna elements as the transceiver ends. These antenna elements possess omnidirectional radiation characteristics, resulting in consistent gain coverage for both the transmitting and receiving antennas across different azimuth angles, effectively improving the consistency of target detection capabilities across these angles. Furthermore, the end-fire monopole antennas exhibit lower gain in the normal direction of the radar sensor module, with the lateral direction being the direction of maximum radiation gain, significantly enhancing lateral target detection capabilities and thus increasing the target detection range to meet the requirements for omnidirectional target detection.

The utility model discloses a double-frequency antenna structure applied to an intelligent watch with a metal watch bezel, which comprises the metal watch bezel, a plastic shell, a monopole antenna and a mainboard, and is characterized in that the plastic shell is positioned below the metal watch bezel and is in a ring frame shape; the monopole antenna is arranged on the inner wall of the plastic shell and is coupled with the metal bezel; and the main board is in feed connection with the monopole antenna. The dual-frequency antenna applied to the smart watch with the metal watch bezel is novel in structure, can meet the high-performance index requirement of a GPS / WiFi dual-frequency antenna, is in a monopole form, is simple in structure, can be produced through a laser etching technology, does not need to load an additional matching circuit at the feed end of the monopole antenna, and is convenient to use. The antenna performance loss is reduced while low cost and easy processing are ensured.

The invention discloses a four-port antenna system based on multiplexing of a mutual coupling removing structure, which is characterized in that on the premise of realizing excellent circular polarization mutual coupling removing performance of a dielectric resonator antenna, a part of mutual coupling removing structure of a 1 * 2 circular polarization antenna array is multiplexed as an additional monopole antenna, and a feed network is introduced for effective excitation, so that the coupling removing performance of the dielectric resonator antenna is improved; therefore, two additional monopole antennas are obtained, the monopole antennas and an original circularly polarized antenna can work independently, and the antennas have good isolation characteristics. Based on this, a novel four-port antenna system is realized on the premise of keeping the aperture of the original 1 * 2 circularly polarized antenna array unchanged, the four-port antenna system comprises two circularly polarized antennas and two monopole antennas, and the design has better system capacity or more communication functions compared with the existing circularly polarized cross-coupling removal antenna design.

The application discloses a wireless energy transmission dual-frequency antenna system with self feedback, which comprises an aluminum sheet layer, a dielectric substrate, an upper surface metal layer and a lower surface metal layer; the aluminum sheet layer is composed of a parasitic patch unit working at a 915 MHz frequency band; the upper surface metal layer comprises a main radiation patch unit working at the 915 MHz frequency band, a one-to-four microstrip power divider corresponding to a feed, and a bent-line monopole antenna working at a 433 MHz frequency band; the lower surface metal layer is a metal ground plate; the parasitic patch unit is arranged above the main radiation patch unit through a metal stud, and the lower surface metal layer is provided with an isolation hole corresponding to the metal stud; and the dielectric substrate is provided with a coaxial connector connected with a center feed point of the one-to-four microstrip power divider. The 915 MHz array antenna and the 433 MHz monopole antenna are efficiently integrated on the same dielectric substrate, and the manufacturing cost is reduced while the performance is ensured by optimizing the structure parameters and the feed network.

An apparatus (100, 1100, 1200a-g) for emulating a wireless mesh network is disclosed. The apparatus comprises a plurality of monopole antennas (105, 1105) and at least one connector (110, 1100) for conductively coupling the plurality of monopole antennas to at least one communications device (220). Each monopole antenna is disposed within a near-field region of a neighboring monopole antenna when the monopole antennas are used to emulate a wireless mesh network operating within a communications frequency range of 3500 MHz to 300 MHz. A system (400, 500) for emulating a wireless mesh network and an associated method of emulating a wireless mesh network are also disclosed.

The invention provides an AoP module and an SiP system. The AoP module comprises: a substrate; the antenna assembly is arranged on the substrate, the antenna assembly is of a monopole antenna structure, the monopole antenna structure comprises a plurality of antenna parts, the antenna parts are connected through connecting parts, and bent branches are arranged at the two ends of each antenna part. The anti-interference capability of the antenna assembly can be improved.

A UWB antenna module for AOA positioning comprises: a horizontal PCB; the vertical PCB board is arranged on the horizontal PCB board; the first antenna and the second antenna are monopole antennas and are arranged on the vertical PCB side by side along the horizontal direction; wherein the first antenna and the second antenna are vertically polarized antennas, and the angle difference between the phase center of the first antenna and the phase center of the second antenna is smaller than 180 degrees, so that the phase requirement of 2D positioning is met. Through the layout of the two monopole antennas, the omnidirectional antenna design with high isolation and high cross polarization ratio is realized, and 2D positioning can be realized in a 180-degree range.

The utility model relates to the field of multi-frequency monopole antennas, and particularly discloses a multi-frequency monopole antenna loaded with an asymmetric metamaterial unit, which comprises a monopole antenna unit and a branch knot formed by a grounding plate and at least two radiation patches and used for generating resonance in a specific frequency band; the asymmetric metamaterial unit comprises split-ring resonator structures and closed-ring resonator structures, the split-ring resonator structures and the closed-ring resonator structures are arranged at the bottom of the monopole antenna unit at certain intervals, and the split-ring resonator structures and the closed-ring resonator structures do not form a symmetric relationship; by combining the monopole antenna unit and the asymmetric metamaterial unit, the antenna can generate resonance in a plurality of frequency bands, such as 2.4 GHz, 3.5 GHz and 5.8 GHz, so that the antenna can be widely applied to a plurality of communication systems through the multi-frequency working capability, and the requirements of different frequency bands are met; through the introduction of the asymmetric metamaterial unit, the performance indexes such as gain, directivity and efficiency of the antenna are improved, so that the overall performance of a communication system is improved.

In some embodiments, a radio frequency identification (RFID) system may include at least one Ultra High Frequency (UHF) antenna component, a conductive loop having a largest dimension that is smaller than the wavelength of radiation transmitted at a Microwave Frequency (MW). The conductive loop may define a gap and an RFID chip may be electrically coupled to the conductive loop. The conductive loop may be configured to be resonant at an Ultra High Frequency (UHF) and less resonant at Microwave Frequency (MW). The antenna component may be selected from the group consisting of a dipole antenna, a monopole antenna, a loop antenna, or a slot antenna.

This application discloses an antenna assembly and a network device, relating to the field of antenna technology. The aim is to improve the performance of the antenna assembly. Specifically, the antenna assembly includes a monopole antenna for radiating electromagnetic waves at a first center frequency and a second center frequency. The monopole antenna includes a first stub and a second stub. The first stub is connected to a signal line. The second stub includes a main arm, two first arms, and two second arms. One end of each first arm is connected to the main arm, and one end of each second arm is connected to the main arm. The main arm is connected to a ground wire. The length of the first arm is 0.35 to 0.55 times λ1, where λ1 is the dielectric waveguide wavelength corresponding to the first center frequency; the length of the second arm is 0.45 to 0.65 times λ2, where λ2 is the dielectric waveguide wavelength corresponding to the second center frequency. This antenna assembly can improve the stability of multi-link operation in WiFi 7 systems and optimize the radiation pattern.

The disclosed distributed monopole antenna may include a first conductive plate and a second conductive plate. The distributed monopole antenna may also include multiple different vias that electrically connect the first conductive plate to the second conductive plate. Still further, the distributed monopole antenna may include an antenna feed electrically connected to at least one of the vias. Various other systems, methods of manufacturing, and wearable electronic devices that implement distributed monopole antennas are also disclosed.

Embodiments of this application disclose a terminal monopole antenna based on coupled feeding, relate to the technical field of antennas. The antenna includes a feed stub and a radiation stub. The radiation stub includes at least one radiator. Ends on two sides of the radiator are coupled to a reference ground through a first capacitor and a second capacitor. The feed stub is not connected to the radiation stub. The feed stub is arranged between the radiation stub and the reference ground. A feed point is provided on the feed stub. The feed stub is used to perform coupled feeding on the radiation stub.

The present application belongs to the technical field of microwave antennas, and specifically provides a complementary source metasurface antenna with wide lobe radiation characteristics, to meet the requirements of communication antennas in mobile satellite communication systems, i.e., wide lobe radiation performance, high gain and low profile. The present application changes the omnidirectional radiation mode of the floor to double-beam radiation on the two sides of the ±48° direction by introducing a large-size floor, and then realizes mode synthesis with the omnidirectional side radiation mode of the metasurface structure, thus achieving a metasurface antenna with wide lobe radiation characteristics. Meanwhile, the introduction of a metal microstrip line in the middle of the metasurface structure makes the half-power lobe of the radiation mode more flat and the lobe width larger. Finally, the present application changes the radiation pattern of the feed gap radiation mode by large-size floor design without introducing a monopole antenna, to realize pattern complementation and wide lobe radiation characteristics, while having high gain, lower profile and simple structure.