120 results about "Antenna coupling" patented technology

Technologies directed to an energy efficient technique for Antennas as Sensors (A2S) systems used for detecting user input events are described. One electronic device includes a wireless communication component coupled to an antenna via a radio frequency (RF) path, and an RF switch selectively coupling the A2S system to the RF path. The radio sends RF signals to the antenna via the RF path in a first time window. The RF switch is controlled to selectively couple the A2S system to the RF path in the first time window. A processing device of the electronic device receives receiving an analog voltage signal representing impedance changes of the antenna in the first time window and determines, using the analog voltage signal, a user input event caused by a presence of an object in proximity to the antenna. The processing device performs an action in response to the user input event.

A system includes a cellular transceiver to communicate with a predetermined target; one or more antennas coupled to the 5G or 6G transceiver each electrically or mechanically steerable to the predetermined target; a processor to control a directionality of the one or more antennas in communication with the predetermined target; and an edge processing module coupled to the processor and the one or more antennas to provide low-latency computation for the predetermined target.

A method for coupling a portable wireless communication device (200) having a communication antenna (330) with a coupling antenna (220) having an area is provided. The method comprises moving the wireless communication device (200) over the area of ​​the coupling antenna (220) (710), repeatedly acquiring a value representing a coupling strength between the communication antenna (330) and the coupling antenna (220) and the corresponding position at which the value is acquired (720), determining, from the acquired values, a coupling strength value that satisfies a predetermined criterion and the corresponding position (730), and displaying a positioning aid by means of the portable wireless communication device for assuming the determined position (740).

Dual-antenna communication devices and methods are disclosed. The device comprises: a controller, having a first, output, interface, comprising a first connector and a second connector; a first antenna coupled between the first connector and a ground; anda second antenna, coupled between the first connector and the second connector; wherein the controller is configured to: transmit an output signal from the first antenna by providing a signal at the first connector and an in-phase copy of the signal at the second connector, and transmit the output signal from the second antenna by providing the signal at the first connector and an opposite-phase copy of the signal at the second connector.

The invention provides a miniaturized ultra-wideband 5G MIMO mobile phone antenna for a metal frame, and belongs to the technical field of 5G mobile phone terminal antenna structural design, the antenna adopts a hollow rectangular box-shaped dielectric substrate, the outer surface of the hollow rectangular box-shaped dielectric substrate is fully covered with metal to form an all-metal outer frame, an antenna system comprises four antenna pairs arranged along the long sides, and the antenna pairs are arranged along the long sides of the hollow rectangular box-shaped dielectric substrate. Each antenna pair forms a three-dimensional continuous slot structure through a side wall radiation slot etched on the metal frame and a floor coupling slot etched on the metal floor, signal radiation is realized by combining a pair of radiator microstrip lines sharing the slot, decoupling is realized by bridging a lumped capacitor at the middle part of the floor coupling slot, and the antenna pair is used for antenna coupling. According to the invention, a single antenna pair is only 20mm * 7mm in size, 3.29-5.30 GHz in working frequency band coverage, 47% in relative bandwidth, superior to-11dB in port isolation and about 85% in efficiency, and particularly, the problem of compatibility of all-metal materials and signal transmission is solved.

The present application relates to the technical field of printed antennas, and discloses an outdoor multi-arm segment coupling antenna. The outdoor multi-arm segment coupling antenna covers GPS, WIFI 2.4G and WIFI 5G. The bandwidth and efficiency of WIFI 2.4G and GPS are increased by combining multiple segments with one frequency point. In the case of multiple segments of the 2.4G antenna, the 5G-6G position will not resonate, and the influence on the adjacent WIFI 5G antenna will be reduced. The WIFI 5G antenna is coupled with the adjacent antenna, and one more resonance effectively increases the bandwidth. In the case that the environment is relatively complex and poor, the efficiency of the conventional single-arm segment antenna is higher, and the bandwidth is wider.

The embodiments of the present application relate to the technical field of communications, and specifically relate to an electronic device. In the electronic device of the embodiments of the present application, a frame antenna is provided on a frame, a first ultra-wideband antenna is provided on a rear cover, and along a direction perpendicular to the length of the frame, a projection of the first ultra-wideband antenna on the frame covers at least part of the frame antenna. Along the direction perpendicular to the length of the frame, the first ultra-wideband antenna and the frame antenna are spaced apart, and the distance between the first ultra-wideband antenna and the frame antenna is less than or equal to 5 mm, so that the first ultra-wideband antenna can couple signals to the frame antenna. The first ultra-wideband antenna couples energy to the frame antenna, thereby enabling the first ultra-wideband antenna and the frame antenna to radiate signals outwards simultaneously, which can improve the system efficiency of the first ultra-wideband antenna and accordingly enhance positioning accuracy.

In described examples, an integrated circuit (IC) package includes first and second external connectors at an external surface of the IC package, an IC die, and an antenna. The IC die is coupled to the first external connector. The antenna is coupled to the second external connector. The IC die and the antenna are not coupled within the IC package.

A chip card having a card body having a metal layer that is at least partially covered by a coating that is more conductive than the metal layer, an RF chip, and a first RF antenna that is placed in a cut-out zone and connected to the chip. The metal layer includes at least one RF antenna portion that is electrically insulated from the metal layer and from the first RF antenna and that is configured to collect an image current induced by first eddy currents flowing at least over the coating of the metal layer and to allow coupling to the first antenna.

Embodiments disclosed herein include headphone devices with spatially diverse antennas employing multiple operational modes and antenna switching policies. The headphone device may identify a current mode of operation and wirelessly communicate with at least one external device based at least in part on the current mode of operation. Further, operating in a first mode of operation, the headphone device may cause switching circuitry to selectively couple a first antenna to the common port in accordance with a first antenna switching policy. While operating in the second mode of operation, the headphone device may cause circuitry to selectively couple a second antenna to the common port in accordance with a second antenna switching policy that is different from the first antenna switching policy.

An energy harvesting unit includes a plurality of antennas configured to receive one or more signals and a plurality of first charge pumps, in which each of the first charge pumps is operatively coupled to one of the antennas, thereby forming pairs of antennas and first charge pumps. The energy harvesting unit also includes a selection unit configured to measure and compare output voltages of the first charge pumps and to select, from the antennas, a specific antenna. The specific antenna is coupled to the first charge pump that produces the highest output voltage. The energy harvesting unit also includes a multiplexer configured to couple the specific antenna selected by the selection unit to a second charge pump.

Wireless power transfer systems, disclosed, include a wireless power transmission system and a wireless power receiver system. The wireless power transmission system includes a transmitter antenna configured to couple with a receiver antenna to transmit alternating current (AC) wireless signals to the receiver antenna. Antenna coupling may be inductive and may operate in conformance to a wireless power and data transfer protocol. A transmission controller drives the transmitter antenna at an operating frequency, and either the wireless power transmission system or the wireless power receiver system may damp the wireless power transmission to create a data signal containing a serial asynchronous data signal.

The invention discloses an SMD (Surface Mounted Device) antenna and an application device thereof, and the SMD antenna comprises a PCB (Printed Circuit Board) substrate, a tuning element, a floor, and a feeder line and a coupling line which are formed by removing a metal conductive layer on the PCB substrate, the feeder line is used for coupling a received first signal to the coupling line in an electromagnetic coupling mode, and the coupling line generates a second signal under the action of the feeder line and excites the floor to generate radiation. Therefore, only a small usable area needs to be reserved on the PCB substrate for feeding, double-frequency radiation can be generated through the SMD antenna and the coupling line excitation floor, so that the usable area of the PCB antenna device is reduced, the occupied space of the PCB antenna device is small, and the PCB antenna device can be applied to increasingly-miniaturized electronic devices and is particularly suitable for IOT equipment in the wifi frequency band, the Bluetooth frequency band, the UWB frequency band and the like.

An antenna adjustment device, for a user equipment, wherein the user equipment is coupled to at least one antenna to receive or transmit a wireless signal through the antenna adjustment device, the antenna adjustment device comprising: at least one variable impedance unit, coupled to the at least one antenna; and a micro-controller unit, coupled to the at least one variable impedance unit, for performing the following steps: sending a request signal to the user equipment; receiving a plurality of signal quality parameters responded by the user equipment according to the request signal, wherein the plurality of signal quality parameters are related to the wireless signal; and adjusting a current impedance value of the at least one variable impedance unit according to the plurality of signal quality parameters.

The embodiment of the invention relates to the technical field of communication, in particular to electronic equipment, and in the electronic equipment provided by the embodiment of the invention, a frame antenna is arranged on a frame; the first ultra-wideband antenna is arranged on the rear cover, and the projection of the first ultra-wideband antenna on the frame covers at least part of the frame antenna in the direction perpendicular to the length of the frame; in the direction perpendicular to the length of the frame, the first ultra-wideband antenna and the frame antenna are arranged at an interval, and the distance between the first ultra-wideband antenna and the frame antenna is smaller than or equal to 5 mm, so that the first ultra-wideband antenna can couple signals to the frame antenna, and the first ultra-wideband antenna couples energy to the frame antenna; therefore, the first ultra-wideband antenna and the frame antenna radiate signals outwards at the same time, the system efficiency of the first ultra-wideband antenna can be improved, and the positioning precision is improved.

Described herein relates to an antenna-coupled graphene Josephson-junction THz / mm-wave apparatus (hereinafter “video”) detector apparatus and methods thereof. Highly sensitive, broadly tunable detectors may be needed for future sensing applications and quantum information systems. In an embodiment, the video detector apparatus may comprise stacked graphene sheets having a “magic” twist angle between their in-plane symmetry axes. As such, the material may display superconductivity with at least 2 K transition temperature. Additionally, the video detector apparatus may depend on the decrease in the maximum zero-voltage DC current when AC current is driven through the junction.

The application discloses a kind of wide band low insertion loss high selectivity frequency selective surface and application.It includes several unit structures, unit structure includes main structure and longitudinal structure, main structure includes two layers of rotation symmetry, aperture type frequency selective surface screen interval parallel arrangement of the dielectric layer and metal layer, longitudinal structure includes vertical and auxiliary metal strip, vertical metal strip upper end penetrates the through groove of upper aperture type frequency selective surface screen and does not contact electrically connected;Vertical metal strip bottom is equipped with auxiliary metal strip, auxiliary metal strip is pasted on the upper surface of lower aperture type frequency selective surface screen dielectric layer.The application inserts transmission zero between stop band and passband by longitudinal structure, realizes the low loss and high selectivity of passband transmission response under dual polarization, effectively improves the isolation of multi-frequency antenna array, improves the antenna pattern deterioration problem caused by co-aperture antenna coupling, with the characteristics of wide band, high selectivity, low loss, low profile, simple structure.

An electronic device includes one or more antennas and a radio frequency front end (RFFE) that is coupled to the one or more antennas. The RFFE includes a differential circuit and a tail current source. The tail current source includes a transistor with a drain coupled to the differential circuit via a tail node. The tail current source also includes a capacitance coupled between the drain and a gate of the transistor.

The utility model discloses a millimeter wave antenna coupling slot structure with wide impedance bandwidth, which comprises a coupling slot arranged on the surface of a radiation patch, telescopic pieces used for changing the effective area of the coupling slot are arranged on the inner walls of the two sides of the coupling slot, and an antenna base is connected below the radiation patch through an adjustable assembly. Through the arrangement of the adjustable assembly and the telescopic pieces, the adjustable assembly can flexibly adjust the height of the radiation patch, so that the performance parameters of the antenna can be optimized, different working environments and application requirements can be met, meanwhile, the effective area of the coupling gap can be changed through the coupling gap and the telescopic pieces on the inner walls of the two sides, and the antenna is more compact. Therefore, the impedance matching and radiation characteristics of the antenna are adjusted, and the working efficiency and bandwidth of the antenna are improved.

Embodiments disclosed herein include headphone devices with spatially diverse antennas employing multiple operational modes and antenna switching policies. The headphone device may identify a current mode of operation and wirelessly communicate with at least one external device based at least in part on the current mode of operation. Further, operating in a first mode of operation, the headphone device may cause switching circuitry to selectively couple a first antenna to the common port in accordance with a first antenna switching policy. While operating in the second mode of operation, the headphone device may cause circuitry to selectively couple a second antenna to the common port in accordance with a second antenna switching policy that is different from the first antenna switching policy.

The present disclosure relates to the technical field of antennas, and provides an antenna and an electronic device, which can solve the problem in the prior art of the severe coupling effect of digital indoor distribution antennas resulting in an increase in pattern non-circularity. The antenna of the present disclosure comprises a carrier substrate (10) and a plurality of radiating elements disposed on the carrier substrate (10), at least some of the radiating elements operating at different frequencies. The antenna further comprises an isolation structure (3) disposed on the carrier substrate (10) and located between two adjacently arranged radiating elements operating at different frequencies. The isolation structure (3) comprises a first dielectric substrate (3-1) disposed on the carrier substrate (10) and at least one isolation layer; the first dielectric substrate (3-1) has a first surface and a second surface that face the radiating elements and are arranged opposite each other, and the isolation layer is disposed on at least one of the first surface and the second surface. The antenna of the present disclosure has low pattern non-circularity and excellent radiation performance.

Antenna-plexers for interference cancellation are provided herein. In certain embodiments, a wireless device includes an antenna, an antenna-plexer coupled to the antenna and configured to generate a feedback signal, a transmitter configured to transmit a transmit signal to the antenna by way of the antenna-plexer, a receiver configured to process a receive signal, and a feedback receiver configured to process the feedback signal from the antenna-plexer to provide compensation to the receive signal.

An antenna system and a terminal relate to the technical field of antennas. The antenna system comprises a dielectric substrate, a grounding plate, a transmitting antenna, a receiving antenna, a coupling structure and a decoupling structure, the dielectric substrate and the grounding plate are stacked in the first direction, the transmitting antenna and the receiving antenna are arranged on the same side in the first direction at intervals, and the transmitting antenna, the receiving antenna and the decoupling structure are electrically connected with the grounding plate. At least part of the coupling structure is coupled with the transmitting antenna and the receiving antenna, and part of the decoupling structure is coupled with the coupling structure, so that current at the transmitting antenna can return to the transmitting antenna, current at the receiving antenna can return to the receiving antenna, and transmission of the current between the transmitting antenna and the receiving antenna is avoided. The isolation between the transmitting antenna and the receiving antenna is improved, the current at the transmitting antenna and the receiving antenna is shared by a decoupling structure, and the miniaturization of the antenna system is realized.

The invention relates to a micro-bolometer of a coupled antenna and a preparation method thereof.The micro-bolometer comprises a bridge floor layer, a bridge floor supporting structure and an antenna structure, a thermistor is arranged in the bridge floor layer, and the antenna structure comprises two antenna units arranged on the bridge floor layer; end points of the two antenna units are in contact with the thermistor, and a gap is reserved between the two end points to form a feed point on the thermistor. According to the invention, the antenna is coupled to the micro-bolometer structure, the feed point of the antenna is located on the thermistor, and the absorption efficiency of the thermistor on radiation signals can be greatly improved through the field enhancement effect of the antenna, so that the performance of the detector is improved; in the antenna unit, the strip-shaped arm has a narrower arm width and can enhance the coupling effect between the antenna and electromagnetic waves, the butterfly-shaped arm has a larger absorption area, has better interaction with the electromagnetic waves and can widen the frequency range, and the advantages of the strip-shaped arm and the butterfly-shaped arm are combined, so that the antenna not only has a strong field enhancement effect, but also has the characteristic of wide frequency band; and the effective absorption of the micro-bolometer in a working wave band can be improved.

An antenna assembly includes an antenna releasably fastened to a member disposed in a borehole, where the antenna partially wraps around the member. The antenna assembly includes a fastening assembly configured to releasably fasten the antenna to the member. A fastening assembly includes one or more fastening portions configured to releasably fasten an antenna to a member disposed in a borehole. The one or more fastening portions extend across at least one surface of the antenna and extend around the member, and the one or more fastening portions are configured to contact the at least one surface of the antenna and are configured to contact an outer surface of the member, where the antenna partially wraps around the member.

An embodiment of a system is presented that can be attached to the exterior fairing of a vehicle, e.g., an aircraft. The disclosed system comprises: an antenna, a carrier housing coupled to the antenna, the carrier housing having an upper section configured to receive and hold the antenna, and a lower section opposite the upper section, and a mounting base. The mounting base comprises: a frame with a support platform configured and arranged to connect to the lower section of the carrier housing, a lower section opposite the frame, the lower section being configured and arranged to connect to the exterior fairing of the vehicle, and a passage with an opening in the lower section.The passage extends from the lower section towards the frame and is configured and arranged to accommodate a structural feature of the vehicle that extends from the outer wall of the vehicle.

An antenna device includes: a first antenna; a second antenna; a first transmitter path coupled to the first antenna comprising a first matching circuit, the first matching circuit comprising a first series capacitor voltage divider arranged in series with the first antenna; a second transmitter path coupled to the second antenna comprising a second matching circuit, the second matching circuit comprising a second series capacitor voltage divider arranged in series with the second antenna; a first receiver path coupled to the first transmitter path at a first tap point between capacitors in the first series capacitor voltage divider; a second receiver path coupled to the second transmitter path at a second tap point between capacitors in the second series capacitor voltage divider; a second node of the first antenna is coupled to a reference voltage node; and a second node of the second antenna is coupled to a reference voltage node.

A directional coupler is operably connected to each antenna of a transmitting transceiver that has multiple antennas, and a tunable load is operably connected to each directional coupler. The directional couplers act to couple a co-located receiving transceiver to the antennas of the transmitting transceiver. Each tunable load is constructed based on a reflection coefficient (Γ) that is determined for that tunable load, in that the type of components and / or the values of some or all of the components that are used in the tunable load are determined based on the reflection coefficient (Γ) associated with that tunable load. The tunable loads cancel or reduce interferences experienced by the co-located receiving transceiver when the transmitting transceiver is transmitting using at least one of the multiple antennas.

The application discloses a phased array antenna co-sited electromagnetic interference coupling prediction method based on subarray decomposition, which comprises the following steps: step 1, analyzing the radiation characteristics in the phased array antenna element array through a multilayer fast multipole method; step 2, solving by using a consistent geometric diffraction theory, analyzing the direct path, reflection path and diffraction path effects of the platform structure, the solving process comprising path tracking and field value tracking, and obtaining electromagnetic interference field analysis results under the influence of the complex platform structure; and step 3, performing vector synthesis on the electromagnetic interference coupling fields of the direct path, reflection path and diffraction path from the phased array antenna transmitting antenna element to the receiving antenna, obtaining a total electric field vector, and then calculating the electromagnetic interference energy coupled by the receiving antenna. The application takes into account the advantages of high precision of a full-wave solving method and fast speed of a high-frequency method, guarantees the solving precision, obtains a fast solving speed, and has low requirements on the computing hardware resources.

A tablet stand is disclosed which incorporates a near field antenna configuration which couples to a near field antenna in the back of a tablet and provides a near field antenna coupling region for near field communication at the front of the tablet. The stand may be completely passive and use conductive antenna elements and passive resonance matching circuit elements to provide efficient coupling. In another aspect a thin profile passive keyboard adapted for use with a near field enabled tablet is provided. In another aspect a mounting bracket or holder, embedded antenna, and passive keyboard combination is provided adapted for converting a tablet into a notebook type configuration.