1156results about "Electrically short antennas" patented technology

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

Aspects of this disclosure relate to an antenna array. An antenna array may include a first circularly polarized dipole antenna that includes a first pair of conductive elements. The antenna array may include a second circularly polarized dipole antenna that includes a second pair conductive elements, the second pair of conductive elements being geometrically orthogonal to the first pair of conductive elements. The antenna array may include a beamformer integrated circuit configured to drive the second circularly polarized dipole antenna such that the second circularly polarized dipole antenna transmits a first radio frequency signal while the first circularly polarized dipole antenna receives a second radio frequency signal. The first radio frequency signal can have a different polarization and be in a different frequency band than the second radio frequency signal.

An antenna structure includes a metal cavity and a first radiator. A first slot and a second slot are provided on a first metal layer of the metal cavity, and a first end of the second slot is connected to the first slot. A first feed point is disposed in the first slot, and a second feed point is disposed in the second slot.

An antenna-in-module includes a ground plate, three radiating elements, and two feed stubs. A first radiating element and a ground plate are arranged at an interval along a Z-axis and are disposed opposite to each other. The first radiating element and a second radiating element are arranged at an interval along an X-axis. A first gap between the first radiating element and the second radiating element extends along a Y-axis. A third radiating element and the second radiating element are arranged at an interval along the Z-axis and are disposed opposite to each other. At least a part of a first feed stub is disposed in a first aperture that includes space between the first gap and the ground plate. At least a part of a second feed stub is disposed in a second aperture that includes space between the second radiating element and the third radiating element.

According to various embodiments, an electronic device may include: a housing, an antenna structure disposed in the inner space of the housing, wherein the antenna structure includes: a substrate including a first substrate and a second substrate surface oriented in a direction opposite to the first substrate surface, and a first array antenna including a plurality of first chip antennas disposed at a specified interval in a first region of the first substrate surface, and a first wireless communication circuit disposed in the inner space and configured to transmit and / or receive a wireless signal of a first frequency band via the first array antenna.

A radio frequency identification (RFID) antenna is provided. The RFID antenna includes, but not limited to, a printed circuit board (PCB). The PCB includes, but not limited to: a substrate; an etched metal layer on the substrate, where the etched metal layer comprises: a radiating element positioned on the substrate having a loop structure, where the loop structure comprises two first chamfered edges, and the first chamfered edges are position in opposing corners of the loop structure; and a ground element positioned on the substrate having comprising a slotted structure that is concentric with the loop structure and is positioned in an inner region of the loop structure.

A calibration system includes a beamformer lattice including at least a first beamformer, the first beamformer corresponding to a first subset of antenna cells of a plurality of antenna cells including a plurality of feed lines extending between the first beamformer and each of the first subset of antenna cells, and the first beamformer including a first calibration section for comparing a reference signal to a non-reference signal; and a first calibration line corresponding with the first beamformer, wherein the first calibration line is configured to deliver a first reference signal (mTx) from the first beamformer to be received by a first antenna feed line for comparison with a first non-reference signal (Rx) in the first beamformer, and / or wherein the first calibration line is configured to deliver a second non-reference signal (Tx) from a second antenna feed line for comparison with a second reference signal (mRx) in the first beamformer.

Dipole antenna structures are disclosed. In certain embodiments, a dipole antenna structure includes a first dipole, a second dipole, a third dipole, and a fourth dipole aligned in parallel. The dipole antenna structure further includes a signal delay line structure electrically connected to a common signal feed. The dipoles are electrically connected to the common signal feed through the signal delay line structure.

A mobile computing device includes: a display; a device housing supporting the display and having a wall defining an exterior surface; a communications controller supported within a device interior enclosed between the display and the device housing; a cleat affixed to the exterior surface of the wall and configured to couple an accessory to the device housing, the cleat including a conductive antenna element; and a feed connector having an exterior end electrically coupled with the conductive antenna element of the cleat, an interior end electrically coupled with the communications controller, and a body traversing the wall to join the exterior and interior ends.

An antenna module for a vehicle, the antenna module including a printed circuit board (PCB) including electronic components; a metal heat sink disposed below the PCB to absorb heat generated from at least one of the electronic components; a blower fan structure disposed above the PCB and having a blower fan to dissipate heat generated from the at least one of the electronic components; a dielectric carrier coupled to the blower fan structure and having a hole formed to correspond to an area occupied by the blower fan; and an antenna element formed as a metal pattern on a top of the dielectric carrier to radiate a radio signal.

Various embodiments relate to a radar system, including: a transmitter; a transmit antenna connected to the transmitter, wherein the transmit antenna is a circular polarized antenna; a receiver; a receive antenna connected to the receiver, wherein the receive antenna is a dual polarization antenna having a main lobe and ambiguity sidelobes; wherein the radar system is configured to: transmit a first and second radar signal with first and second circular polarizations in first and second modes; receive reflected first and second radar signals; process the received first and second radar signals to detect a target and to produce first and second mode target powers; comparing the first mode target power to the second mode target power to determine which lobe of the antenna in which the target is located.

The present disclosure relates to the technical field of antennas, and provides a circularly polarized antenna, an array antenna, and a communication terminal. The circularly polarized antenna comprises a radiation patch, a grounding layer, a dielectric layer, and a power division module; the radiation patch and the grounding layer are oppositely arranged, and the dielectric layer is located between the radiation patch and the grounding layer; the power division module comprises an input end and two output ends, and the phase difference between output signals of the two output ends is 90°; the radiation patch comprises a first feed point and a second feed point, the first feed point is electrically connected to one output end, and the second feed point is electrically connected to the other output end; the virtual connection line between the first feed point and the center of the radiation patch is a first line, the virtual connection line between the second feed point and the center of the radiation patch is a second line, and the included angle between the first line and the second line is less than 90°. The circularly polarized antenna has a small size and a compact structure.

The disclosed wireless antenna may include a stratified architecture that electrically isolates an antenna radiating element from a ground plane. For example, the disclosed wireless antenna may be included in a wearable device such that the antenna radiating element is capacitively coupled with the bare skin of the wearer. A slot or cleared volume between the antenna radiating element and the ground plane causes electrical fields to close between the antenna radiating element—effectively enlarged by the bare skin of the wearer—and the ground plane. By clearly separating the antenna radiating element and the ground plane and coupling the antenna radiating element to conductive human tissue, the disclosed wireless antenna significantly improves performance at low frequencies such as LTD low bands. Various other methods, systems, and computer-readable media are also disclosed.

We describe a radiator unit for an antenna. The radiator unit is configured to radiate electromagnetic waves within a frequency band. The radiator unit comprises: a first radiating structure for radiating an electromagnetic wave having a first frequency within the frequency band, and a non-radiating structure coupled to the first radiating structure. One or both of (i) the first radiating structure comprises a first corrugation arranged on a first planar structure of the radiator unit, and (ii) the non-radiating structure comprises a second corrugation arranged on a second planar structure of the radiator unit.

According to an example embodiment of the disclosure, an electronic device is provided. The electronic device includes a front cover forming at least a portion of the front surface of the electronic device, a non-conductive case including a rear portion forming at least a portion of the rear surface of the electronic device and a side portion forming at least a portion of the side surface of the electronic device, a support positioned between the front cover and the non-conductive case and including a first portion and a second portion, wherein the first portion is positioned between the second portion and the side portion, a first conductive pattern disposed between the first portion or the side portion, a second conductive pattern positioned between the second portion and the rear portion and spaced apart from the first conductive pattern, a wireless communication circuit configured to transmit a signal in a designated frequency band through the first conductive pattern and the second conductive pattern, and a seal disposed between the first portion and the rear portion and configured to block fluid flow from a first area where the first conductive pattern is disposed to a second area where the second conductive pattern is disposed.

Designs and control techniques for passive Multiple-Input Multiple-Output (pMIMO) surfaces are provided. An example array of reconfigurable reflective elements includes a plurality of unit cells each comprising a cross-slot radiating element, a first varactor diode disposed across a first end of the cross-slot radiating element and configured to control polarization in a first plane, and a second varactor diode disposed across a second end of the cross-slot radiating element and configured to control polarization in a second plane, and a controller coupled to the first varactor diode and the second varactor diode and configured to provide control signals to the first varactor diode and the second varactor diode to vary a direction of a reflected signal.

A semiconductor package includes a first package having a first side and a second side opposing the first side. The first package comprises a first electronic component and a second electronic component arranged in a side-by-side manner on the second side. A second package is mounted on the first side of the first package. The second package comprises a radiative antenna element. A connector is configured to electrically couple to a 5G modem through a flex cable and is disposed on the second side.

An electronic device may include a display; and first and second antenna structures disposed around the display. The first antenna structure may include a first PCB, first and second array antennas, and a first wireless communication circuit. The second antenna structure may include a second PCB, third and fourth array antennas, and a second wireless communication circuit. The second and fourth array antennas may form a beam pattern in a first direction, which is a bottom direction. The first and third array antennas may form a beam pattern in a third direction, which is a front direction.

A reconfigurable metasurface sub reflector comprises an array of cell units. Each sub unit is formed of two sub-unit cells formed with at least two conducting layers separated by a dielectric substrate. One conducting layer has, in each of the sub-unit cells, two parallel strips connected by a varactor and the other conducting layer serves as a ground layer. Setting the reverse biasing for each of the varactors controls the azimuth and elevation of reflection from the reconfigurable metasurface sub reflector.

The invention provides a circularly polarized antenna, an array antenna and a communication terminal, and relates to the technical field of antennas. The circularly polarized antenna comprises a radiation patch, a grounding layer, a dielectric layer and a power division module. The radiation patch and the grounding layer are oppositely arranged, and the dielectric layer is located between the radiation patch and the grounding layer; the power division module comprises an input end and two output ends, and the phase difference of output signals of the two output ends is 90 degrees; the radiation patch comprises a first feeding point and a second feeding point, the first feeding point is electrically connected with one of the output ends, and the second feeding point is electrically connected with the other output end; a virtual connecting line between the first feeding point and the center of the radiation patch is a first line, a virtual connecting line between the second feeding point and the center of the radiation patch is a second line, and an included angle between the first line and the second line is smaller than 90 degrees. The circularly polarized antenna is small in size and compact in structure.

Hinged computing devices having intra-device wireless communications are disclosed. A disclosed example apparatus for use with a foldable computing device includes a hinge by which first and second folding portions of the computing device are rotatably coupled, a first antenna of the first folding portion, a second antenna of the second folding portion, the first and second antennas to be wirelessly communicatively coupled to one another, the first and second antennas separate from the hinge, and equalizer circuitry to enable equalization between the first and second antennas to maintain signals therebetween to meet a bit error rate (BER) threshold over a range of motion of the first folding portion relative to the second folding portion.

A polarization conversion structure and an antenna. In a direction perpendicular to a plane in which the polarization conversion structure is located, the polarization conversion structure comprises a grounding structure layer (11), a first dielectric substrate (21), and a radiation structure layer (300) that are stacked. The radiation structure layer (300) comprises at least one radiation unit (30), and the radiation unit (30) comprises a radiation structure (31). The radiation structure (31) is symmetrically arranged relative to a first center line, and in a plane parallel to the polarization conversion structure, the first center line is a center line of the radiation structure (31) extending in a fourth direction. The orthographic projections of the radiation unit (30) and the grounding structure layer (11) on the first dielectric substrate (21) at least partially overlap.

An electronic device, according to one embodiment of the present invention, comprises: a housing comprising a conductive part, and a first nonconductive part connected to the conductive part; an antenna structure positioned inside the housing and comprising a printed circuit board and at least one antenna element, the printed circuit board comprising a first surface, and a second surface facing the opposite direction from the first surface, and the at least one antenna element being positioned inside the printed circuit board closer to the first surface than the second surface, or on the first surface; and a pen input device attachable / detachable to / from the housing, wherein, when considering the direction in which a main beam of the antenna structure is radiated, in a state where the pen input device is attached to the housing, the pen input device comprises a second nonconductive part having at least a portion thereof overlapping with the first nonconductive part, and at least a portion of the at least one antenna element may overlap with the first nonconductive part and the second nonconductive part. Other various embodiments are possible.

Disclosed in the present application are an antenna assembly and an antenna array. The antenna assembly comprises a radiation unit and a metal member, wherein the radiation unit comprises a radiation sheet; and the metal member is arranged on the periphery of the radiation sheet and is configured to be excited by the radiation sheet. The present application aims to provide a wide-beam antenna.

An electronic device may have a first phased antenna array that radiates through a display and a second phased antenna array that radiates through a rear wall. The first array may include a front-facing dielectric resonator antenna and the second array may include a rear-facing dielectric resonator antenna. The front and rear-facing antennas may share a dielectric resonating element. Feed probe(s) may excite a first volume of the dielectric resonating element to radiate through the display and may excite a second volume of the dielectric resonating element to radiate through the rear wall. The dielectric resonating element may have a geometry that helps to isolate the front-facing dielectric resonator antenna from the rear-facing dielectric resonator antenna. The first and second arrays may collectively cover an entire sphere around the device while occupying a minimal amount of volume within the device.

Techniques for dynamic polarization selection by antenna bandwidth are disclosed herein. An example device includes a first antenna configured to transmit signals within a first bandwidth range, a second antenna configured to transmit signals within a second bandwidth range that is different from the first bandwidth range, one or more processors, and one or more memories communicatively coupled to the first antenna, the second antenna, and the one or more processors. The memories store instructions that, when executed by the one or more processors, cause the device to: transmit, by the first antenna, a first signal at a first frequency included within the first bandwidth range, determine that a second signal is to be transmitted at a second frequency that is different than the first frequency, determine that the second frequency is included within the second bandwidth range, and transmit the second signal using the second antenna.

According to at least one aspect, the present invention provides a vehicle-mounted antenna device comprising: a patch antenna that implements circular polarization; a ground portion in contact with a lower surface of the patch antenna; and a reflector spaced apart from the patch antenna and arranged to surround a side surface of the patch antenna.

The invention discloses a gain antenna and communication equipment. The gain antenna comprises a feed source, the feed source comprises a first radiation unit and a second radiation unit, and the first radiation unit and the second radiation unit are arranged in a crossed manner; a reflecting plate; the dielectric director comprises a cylindrical structure, the feed source and the reflecting plate are arranged in the cylindrical structure, and the axis direction of the cylindrical structure coincides with the intersecting line of the feed source; and the metal director comprises a plurality of metal units, and the plurality of metal units are arranged on the inner surface of the cylindrical structure and annularly arranged around the axis of the cylindrical structure.

A windshield having an outer transparent ply that defines an inner surface and an outer surface oppositely disposed from the inner surface, an inner transparent ply that defines an outer surface and an inner surface oppositely disposed from the outer surface, an interlayer disposed between the inner surface of the outer transparent ply and the inner surface of the inner transparent ply, a circularly polarized antenna disposed on the outer surface of the inner transparent ply, an unidirectional antenna disposed on the inner surface of the outer transparent ply and the outer surface of the inner transparent ply, and a wideband antenna disposed on the outer surface of the inner transparent ply.