140 results about "Monopole antenna" patented technology

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 video interface for signals between a wireless camera and a display, disposed on a vehicle, can include a microcontroller, a first port, and a second port. The microcontroller can be configured to process analog signals to produce digital signals. The analog signals can represent images produced by the wireless camera. The digital signals can represent the images for the display. The first port can be configured to be connected to an antenna, disposed on the vehicle, for the analog signals. For example, the wireless camera can be configured to be mounted on a trailer configured to be towed by the vehicle. The second port can be configured to be connected to a cable for the display. The video interface can be configured to be disposed on the vehicle. The wireless camera can have two external single pole antennas.

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 collar mount for a base station monopole has a plurality of pressure members that surround the monopole. Threaded members are connected between adjacent pressure members to tighten the pressure members against the monopole. Pressure plates of the pressure members have a forward edge configured to engage the monopole at a pressure point. A dispersement plate is positioned at the pressure point where the dispersement plate is non-rigidly connected to the pressure plates. A second threaded member may connect the upper pressure plates of each two adjacent pressure members together. Each of the pressure members may include a plurality of pressure plates where the pressure plates have a width direction extending parallel to the monopole and a thickness direction extending perpendicular to the width direction where the width direction is larger than the thickness direction.

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.

A GNSS active antenna with improved performance in the presence of interfering signals is described. The GNSS active antenna meets the requirements of DO-301 for Airborne GNSS antennas when in normal operation. The GNSS active antenna also generates a low elevation null steered to any azimuth angle when in an environment with an interfering signal. The null has minimal performance impacts at higher elevation angles near zenith. The GNSS active antenna includes a right-hand circular polarized microstrip antenna with a concentric vertically polarized monopole antenna. The GNSS active antenna also meets the requirements of ARINC 743 antenna outline and mounting hole pattern.

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.

The present invention relates to the field of wireless communication technology, and in particular to a duplex antenna. The duplex antenna described in the present invention is a single integrated duplex antenna. Specific signals need to be transmitted and received at specific ports and cannot leak to another port. The first port is connected to a monopole antenna for receiving energy fundamental signals, and the second port is connected to a slot antenna for reflecting harmonic signals. Isolation between ports is formed by different resonant current modes, without the need for additional duplex filters or power dividers to achieve duplex operation of the antenna. The feed lines of the monopole antenna and the slot antenna are zigzag, which increases the isolation between the ports. The present invention provides a duplex antenna with self-contained port isolation, which can further and effectively reduce the node area, thereby achieving the miniaturization of the receiving node of the wireless sensor network.

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.

This antenna unit (1) comprises: a monopole antenna (30) having a first electrode (12a), a second electrode (12b), and a radiating part (31) positioned between the first electrode (12a) and the second electrode (12b); and a plate-form conductor (40) that is positioned below the monopole antenna (30), overlaps the radiating part (31) in plan view, and is separated from the monopole antenna (30). The monopole antenna (30) has a first branch electrode section (33a) that is positioned to the right when viewed from the radiating part (31) and is electrically connected to the conductor (40), and a second branch electrode section (33b) that is positioned to the left when viewed from the radiating part (31) and is electrically connected to the conductor (40).

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.

The present invention provides a pulsed electric field measurement system and a temperature compensation method thereof, aiming to address the technical problem that the electro-optical conversion efficiency of a laser varies with temperature, affecting the stability of the pulsed electric field measurement system. The pulsed electric field measurement system includes a pulsed electric field measurement circuit, which includes a monopole antenna, a high-impedance input operational amplifier, a semiconductor laser, and a power supply module. The monopole antenna is sequentially connected to the high-impedance input operational amplifier and the semiconductor laser; the high-impedance input operational amplifier includes a grounding resistor and a feedback resistor, both of which are negative temperature coefficient thermistors; the monopole antenna couples to a spatial electric field; the high-impedance input operational amplifier is used to convert the high-impedance signal into a low-impedance signal and input it into the semiconductor laser; and the power supply module provides power to the entire pulsed electric field measurement circuit. The present invention also provides a temperature compensation method for the pulsed electric field measurement system.

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.

A wireless dongle includes a circuit board, a connector, a wireless module and a printed antenna. The circuit board has a first front edge, a first rear edge, a first left edge and a first right edge. The connector is disposed to a middle of a front of the circuit board. The wireless module is disposed to a middle area and a left area of the circuit board. The connector is electrically connected to the wireless module. The printed antenna is positioned at a right area of the circuit board. The printed antenna is a monopole antenna. The wireless module is connected between the connector and the printed antenna. The printed antenna has a feed-in section positioned close to the first rear edge of the circuit board, and a radiation section.

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.

The present invention discloses a 12 - element broadband self - isolated MIMO antenna for 5G mobile phone terminals, which includes a substrate, a PIFA antenna pair, a T - shaped monopole antenna and coaxial feeders. The substrate is made of FR - 4 dielectric substrate and includes a large substrate and two small substrates closely arranged on the long - side edges of the large substrate. The PIFA antenna pair is closely arranged on one side of the small substrate and is formed by combining two PIFA units. A "cross" - shaped slot is opened on each PIFA antenna unit to broaden the bandwidth. A T - shaped monopole antenna is introduced into the "cross" - shaped slot and placed orthogonally to the PIFA antenna pair. 12 ports are arranged on the large substrate, and every three ports are in a group, divided into four groups of ports and arranged at the four corners of the large substrate. A slit is opened on the ground between port 1 and port 2 to block the floor - coupled current, and each port is fed by 50Ω coaxial cable.