680results 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.

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 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.

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 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.

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.

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.

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.

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.

An antenna includes a first substrate, a second substrate, a ground layer and a third substrate stacked from top to bottom, a driving patch disposed below the first substrate, and a first feed-in line and a second feed-in line disposed below the third substrate. The antenna further includes a first feed-out probe and a second feed-out probe, each of which extends from below the driving patch, and penetrates the second substrate, the ground layer and the third substrate. The first feed-out probe and the second feed-out probe respectively connects the first feed-in line and the second feed-in line to the driving patch, so as to transmit a first signal and a second signal received by the first feed-in line and the second feed-in line to the driving patch respectively through the first feed-out probe and the second feed-out probe for the driving patch to output an output electromagnetic wave.

Embodiments of this application disclose a display and an electronic device. The display has a plurality of pixels arranged in an array, each pixel includes a light-transmitting region and a light-shielded region, and each light-transmitting region is provided with a plurality of micro light-emitting diodes. The display includes a plurality of antenna elements, and the plurality of antenna elements are arranged in light-shielded regions of the plurality of pixels. The antenna elements of the display can perform communication in space above the display and have sufficient clearance space during communication, and therefore can obtain good communication quality.

Disclosed herein are implementations of systems and methods for providing antenna in package flexible components of wearable devices. A system can include a flexible component having a back plane layer disposed along a length of the flexible component. The system can include an antenna package having an insulating layer comprising a dielectric material disposed above the back plane layer and a circuitry layer disposed above at least a portion of the insulating layer and comprising one or more electrical components for processing antenna signals. The antenna package can include an antenna layer comprising an antenna pattern disposed above the circuitry layer and configured for wireless communication of the antenna signals using the wearable device. The back plane layer can be disposed between antenna layer and a surface of the flexible component configured to interface with a user wearing the wearable device.

A horizontally-polarized omnidirectional antenna, including: a body including: a host printed circuit board (PCB) including: a metal-flooded ground plane, windows, and an interconnect providing a radio frequency (RF) signal splitting off into 2*Z0 transmission lines, a plurality of antenna elements, corresponding to respective windows, including: an antenna PCB including an antenna slot having a pullback region with the host PCB therein without directly contacting the pullback region, the window in the antenna slot, loops of conducting strips at top and bottom sides of the antenna PCB, slightly overlapping to form capacitive elements at overlap regions, a pair of input solder joints at respective input conducting strips on the top of the antenna PCB, on opposite sides of the window, a transmission feed solder joint directly between the pair of input solder joints across the window, connected to a Z0 feed line, and an RF connector receiving an antenna power supply.

A unit cell for an ultra-dense multiband antenna comprises a reflector; a first frequency dipole disposed on the reflector, the first frequency dipole having four first frequency dipole arms; a plurality of second frequency dipoles disposed on the reflector, each of second frequency dipoles having four second frequency dipole arms; and a plurality of third frequency radiators disposed on the reflector, each third frequency radiator having a patch antenna element that is disposed above the reflector and a cavity cup frame disposed below the reflector, wherein each of the first frequency dipole arms is disposed above a second frequency dipole, and wherein each of the second frequency dipole arms is disposed above a third frequency radiator.

The embodiment of the application provides an antenna system and an electronic device, wherein the antenna system comprises a first antenna and a second antenna, the first antenna comprises a first radiator and a second radiator, and the second antenna comprises a first radiator and a third radiator; two ends of the first radiator are electrically connected to a ground plane respectively, a first end of the second radiator and a first end of the third radiator are relatively far away from each other and are connected or coupled to the first radiator respectively, a second end of the second radiator and a second end of the third radiator are oppositely arranged and form a gap, the antenna system feeds the first antenna through a first feeding connection point on the second radiator and feeds the second antenna through a second feeding connection point on the third radiator, a brand-new antenna system is constructed, high isolation between the first antenna and the second antenna can be realized, and meanwhile, miniaturization of an antenna aperture and a low SAR value can be realized.

Disclosed is a novel dipole antenna design having symmetric poles, each pole having a half circle resonator and an oval resonator that are electrically connected by a straight choke section; the dipole shape permits a wideband dipole response with a transition frequency between a lower and upper frequency band. A cross bar and capacitively-coupled stubs tune at the transition frequency to create a continuous impedance and gain-bandwidth. The dipole and the crossbar and stubs are formed on opposite surface or sides of a substate. Data demonstrates the novel dipole antenna can exceed the gain-bandwidth of the state-of-the-art bowtie by approximately 5 times, that is, its gain-bandwidth is 10:1 versus the standard bowtie gain-bandwidth of 2:1 at broadside.

An antenna module includes an antenna unit and a first isolation unit. The antenna unit includes a first antenna and a second antenna arranged at an interval. The first isolation unit is arranged between the first antenna and the second antenna and configured to convert a transmission form of an electromagnetic wave coupled into the first isolation unit from the first antenna and / or the second antenna into an evanescent wave, to isolate a target signal between the first antenna and the second antenna.

A multiplexer and an array antenna module, the array antenna module comprises a circuit board and an array antenna, the multiplexer comprises a first end, at least two second ends and a plurality of conduction parts, and the at least two second ends and the first end are arranged on the same layer of the circuit board; the connecting part is connected between the first end and the at least two second ends, the first end and the at least two second ends are respectively arranged on two opposite sides of the connecting part, and the connecting part, the first end and the at least two second ends are arranged on different layers of the circuit board; the connecting part is respectively connected with the first end and the at least two second ends through a plurality of conducting parts; the first end or one of the at least two second ends is connected to the array antenna and is used for conducting signals of the array antenna.

An antenna structure includes a first arc-shaped radiator and a frequency modulation component. A first end of the first arc-shaped radiator is configured to be electrically connected with a position determination component, a second end of the first arc-shaped radiator is configured to be grounded, and the first arc-shaped radiator is configured to receive a first frequency signal and a second frequency signal. The frequency modulation component is electrically connected with the first arc-shaped radiator, and the frequency modulation component is configured to adjust a frequency of the first frequency signal to a first target frequency and a frequency of the second frequency signal to a second target frequency. The first frequency signal includes a first satellite positioning signal, and the second frequency signal includes a second satellite positioning signal.

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.

A sensor for the detection of radio-frequency identification (RFID) tags is disclosed. The sensor includes an antenna array including a plurality of antenna elements disposed on relative facets of a surface. Each antenna element is disposed such that a boresight of each antenna element is not parallel with a boresight of another antenna element of the antenna array. A processor is configured to control the transmission of one or more interrogation signals from a plurality of antenna elements of the antenna array.

A sensor element is for testing a planar data carrier that has a spin resonance feature. The sensor element includes: a magnetic core having an air gap into which the planar data carrier can be inserted for testing purposes; a polarization device for generating a static magnetic flux in the air gap; and a resonator device for exciting the spin resonance feature of the data carrier to be tested in the air gap. The resonator device has a stripline resonator and a supply structure for the stripline resonator and is designed to generate a high-frequency field with circular polarization owing to the geometry of the stripline resonator and / or the geometry of the supply structure.

Provided are a communication method, a terminal device and a network device. The terminal device receives configuration information sent by a network device, the configuration information being used for indicating one or more conditions for the terminal device to report random access-related information. The terminal device sends a successful handover report that does not contain the random access-related information to the network device in response to a random access of the terminal device not satisfying the one or more conditions for reporting the random access-related information.

A wideband phased array antenna is provided. The wideband phased array antenna includes a plurality of antenna cells. Each of the antenna cells is configured to communicate over a frequency band ranging from 24 GHz to 52 GHz. Furthermore, one or more of the antenna cells includes a driven element and a parasitic element. The driven element is disposed on a first substrate that includes a first dielectric material. The parasitic element is disposed on a second substrate positioned relative to the first substrate such that a gap is defined between the first substrate and the second substrate. The second substrate includes a second dielectric material that is different than the first dielectric material.

This application relates to an antenna element, including a feed section, a connecting section, and two radiating sections. The connecting section connects the feed section and the radiating sections, and the feed section feeds signals to the two radiating sections respectively. The radiating sections are constructed as metal-filled plate-like structures, and the two radiating sections are spaced apart from each other. Each radiating section includes a curved first edge portion, the radiation direction of which is opposite to the connecting section, and the length L1 of the first edge portion satisfies the condition: 1 / 8λ≤L1≤3 / 8λ; where λ is the wavelength of the electromagnetic wave signal transmitted by the antenna element in the medium. This application's antenna element, by having two radiating sections arranged opposite each other, and each forming a curved first edge portion to create a main radiating segment, reduces the antenna aperture and thereby achieves a wider radiation angle, while simultaneously possessing higher accuracy and sensitivity. This application also relates to an antenna element manufacturing method, an antenna array, a radar, and a terminal.

A solder connection (1) between a coaxial cable (2) and a printed circuit board arrangement (3). The coaxial cable (2) comprises an inner conductor (4), an outer conductor (6) and a dielectric (5) arranged in between. The printed circuit board arrangement (3) comprises an outer conductor contact area (8) and an inner conductor contact area (9). The outer conductor contact area (8) comprises an outer conductor receiving opening (12). The coaxial cable (2) runs at an angle to the printed circuit board arrangement (3), wherein a part of the outer conductor (6) is arranged in the outer conductor receiving opening (12) and wherein the inner conductor (4) is arranged at the inner conductor contact area (9). A first solder joint (10) connects the outer conductor (6) to the outer conductor contact area (8). A second solder joint (11) connects the inner conductor (4) to the inner conductor contact area (9).

The present invention discloses an on-train short-wave antenna for the electrified railway environment. The antenna as a whole is set as a circular closed loop and arranged inside the "electromagnetic space" formed by the metal car body, the high-voltage catenary and the rail, overcoming the risk of electric shock to personnel and equipment caused by the high-voltage electric field environment of the electrified railway catenary to short-wave electromagnetic emission, breaking through the interference of the magnetic field characteristics of the electrified railway electromagnetic environment to short-wave communication, greatly improving the gain performance of the short-wave antenna, and finally realizing the deployment of short-wave communication on the train in the electrified railway environment, enriching the technical means of railway vehicle-ground communication.