265 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.

The present disclosure describes a platform assembly for a monopole. The platform assembly includes a plurality of T-arm assemblies. Each T-arm assembly has a platform frame including a pair of support members, a pair of brace members coupled to and extending between the pair of support members, at least two grating edge members coupled to the support members, and a pair of gratings, each grating coupled to a grating edge member and one of the brace members such that the pair of gratings are separated to define an opening therebetween. Each T-arm assembly further includes an adjustable arm member configured to move relative to the support members and a pair of locking mechanisms, each locking mechanism coupled to a respective support member and configured to secure the adjustable arm member in a desired position in relation to the platform frame. Other platform assemblies and related antenna assemblies are described herein.

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 device housing is provided for wirelessly receiving electric power in order to supply electric power to a device with an excellent power-receiving efficiency, while suppressing an increase in its size as a whole. Also, a device having the same device housing and a device housing for constituting a main body of a device which is a sensor or an actuator are provided. The device housing is provided with a power-receiving device for mainly generating an electric field or a magnetic field for performing wireless power supply. The power-receiving device includes at least one of a dipole antenna, a slot antenna, a monopole antenna, a chip antenna and an inverted-F antenna. The device housing has a size in a three-dimensional space, and expansion of its size in the three-dimensional space due to the provision of the power-receiving devices is substantially limited to one axis direction (X-axis direction) at most.

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.

The invention discloses a wide-beam metal frame mobile phone antenna, which comprises a metal frame provided with a plurality of opening gaps and a plurality of short circuit columns, the metal frame is divided into a plurality of frame components to form monopole antennas, and at least parts of the monopole antennas are positioned on the same straight line. According to the wide-beam metal frame mobile phone antenna, the plurality of opening gaps are formed in the metal frame of the wide-beam metal frame mobile phone antenna, so that the plurality of monopole antennas are formed on the metal frame, the multi-element monopole antenna array is further formed, the beam width can be expanded, the radiation efficiency can be improved, and the effects of wide beam and high gain can be achieved; the metal frame serves as an outer frame of the intelligent terminal, can play a role in fixing and protecting the intelligent terminal, and also serves as a radiator of an antenna of the intelligent terminal, so that the radiation performance of the intelligent terminal is improved, extra space does not need to be occupied, and the compactness of the intelligent terminal is improved. The antenna can be widely applied to the technical field of terminal equipment antennas.

Measuring device, configured as a level gauge, pressure gauge, temperature gauge, or flow meter for process automation in industrial or private environments, comprising a sensor device for acquiring level, pressure, temperature, or flow measurement data and a cylindrical monopole antenna for transmitting the measurement data to an external receiver. A battery and / or one or more circuit boards are arranged inside the monopole antenna.

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.

A dual-frequency dual-polarization shared aperture antenna with mode diversity belongs to the technical field of wireless communication and antennas, comprises a metal floor, Vivaldi antenna left and right ridge metal radiators, a conical monopole antenna, a dielectric polarization converter and two coaxial feed wires, and adopts a side coaxial line for feeding; wherein the metal radiator and the conical monopole radiator are of a composite integrated structure; the interior of the conical monopole radiator is hollow, and the two metal radiators are symmetrically arranged at the bottom of the conical monopole radiator. According to the antenna, dual-frequency dual polarization is achieved, microwave and millimeter wave frequency bands can be covered, the two frequency bands are mutually independent and wide, and the antenna has an omnidirectional radiation mode and a directional radiation mode at the same time; the dual-frequency dual-polarized antenna with multi-mode diversity has a good and stable omnidirectional radiation pattern in a microwave band, is in a circular polarization radiation mode in a millimeter wave band, has high-gain directional radiation capability, and can be applied to various applications such as UWB (Ultra Wideband), 5G millimeter wave communication and the like.

The invention belongs to the technical field of antennas, and discloses an S / Ka waveband common-aperture antenna and communication equipment, and the antenna comprises a first dielectric plate and a second dielectric plate which are 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 magnetoelectric dipole antenna array; the magnetoelectric dipole antenna array works in a Ka wave 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 an S wave band and is used for realizing ground equipment communication; the structure is simple, different wave beams and polarization characteristics can be realized, the space utilization rate of the antenna is effectively improved, and the integration degree is high.

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.

A helix antenna structure includes loop antennas and a multilayered printed circuit board including printed circuit board layers. Each printed circuit board layer includes a peripheral loop antenna and each adjacent two loop antennas are electrically connected by a connection bridge functioning as a monopole antenna. A selected printed circuit board layer physically and electrically accommodates a transmitter inside ‘its’ peripheral loop antenna, and it further includes a first antenna feeding line which is connected to the loop antenna that is disposed on the selected printed circuit board layer and electrically connectable to a first output terminal of the transmitter. A second antenna feeding line is disposed on another printed circuit board layer and electrically connected to its loop antenna and connectable to another output terminal of the transmitter. The two antenna feeding lines lie in a plane perpendicular to an axis of the printed circuit board after its folding.

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 discloses a polarization reconfigurable self-oscillating active antenna, comprising a dielectric substrate, a field effect tube, a microstrip line, a capacitor, a semi-ring microstrip antenna, a switching diode, a right-hand circular polarization monopole antenna, a left-hand circular polarization monopole antenna, a DC bias circuit and a metal grounding plate. The invention has a simple structure and a small volume, and can switch between linear polarization, right-hand circular polarization and left-hand circular polarization.

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.

To provide an antenna system.SOLUTION: An antenna system exhibits a function of transmitting and receiving electromagnetic waves generated by some of electroconductive constituents and an electricity supply part, by connecting the electricity supply part to some of the electroconductive constituents which an artificial satellite and a rocket loaded with the artificial satellite or the like already have so as to operate an antenna. It is preferable that both ends of some of the constituents are ground so that the antenna functions as a loop antenna, or one sides of some of the constituents are ground so that the antenna functions as a monopole antenna, or L-shape conductive parts are provided on some of the constituents so that the antenna functions as an L-shaped antenna, or F-shaped conductive parts are provided on some of the constituents so that the antenna functions as a reverse F antenna.SELECTED DRAWING: Figure 1A

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 relates to the technical field of antennas, and provides an embedded cavity antenna and electronic equipment, and the embedded cavity antenna comprises an antenna body. The antenna body comprises a cavity layer and a high-frequency branch layer which are connected with each other; a semi-closed cavity and a monopole antenna body located in the semi-closed cavity are arranged in the cavity layer; and the high-frequency branch node layer is provided with a plurality of frequency band branch nodes connected with the monopole antenna body. The electronic equipment comprises the embedded cavity antenna, the semi-closed cavity in the cavity layer, the monopole antenna body and the frequency band branch knot in the high-frequency branch knot layer can be ingeniously combined by the embedded cavity antenna and the monopole antenna, the signal transmission stability of the high frequency band and the low frequency band is enhanced, resonant wavelength optimization is carried out on different frequency bands, the signal penetration effect is improved, and the signal transmission efficiency is improved. Therefore, extra clearance or windowing is not needed, the monopole antenna body is used as the feed of the semi-closed cavity, the bandwidth can be expanded for the high frequency in the high-frequency branch node layer, the placement difficulty of a traditional antenna is overcome, and many limitations on space and materials in the design of embedding the antenna into a foot pad are solved.

The present invention provides a single-polarization low-gain horn antenna for 5G testing, including a coaxial waveguide converter, a horn tube, and a radio frequency connector. The coaxial waveguide converter is provided with a straight waveguide cavity with one end open, the horn tube is provided with a horn cavity with two ends open, the coaxial waveguide converter is connected to one end of the horn tube, the straight waveguide cavity and the horn cavity form an antenna cavity, the radio frequency connector is provided with a radio frequency end, the radio frequency connector is fixed on the coaxial waveguide converter, the radio frequency end is provided in the straight waveguide cavity, and the gain value of the horn antenna is not greater than 12dBi. The present invention adopts a combination of a coaxial waveguide converter, a horn tube, and a radio frequency connector to form a monopole antenna, which reduces the difficulty of antenna processing. At the same time, the coaxial waveguide converter can cooperate with different horn tubes to achieve a change in gain value and improve the practicality of the monopole antenna.

The invention provides a liquid crystal holographic metasurface antenna which is composed of a plurality of identical liquid crystal holographic metasurface panels and a monopole antenna feed source, the liquid crystal holographic metasurface panels are designed by adopting a liquid crystal display processing technology, and a hole is prevented from being formed in the center of a liquid crystal glass plate through a block splicing mode. The monopole antenna feed source is placed at the central hole, the processing difficulty is reduced, the directional diagram and the polarization state of the antenna can be flexibly controlled by independently controlling the liquid crystal dielectric constant of each unit, the control of the directional diagram and the control of the polarization are mutually independent, and the degree of freedom of antenna reconstruction is improved.

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).