25results about "Disturbance protection" patented technology

A thermally adaptive antenna system having an antenna structure, an EM) power signal, a DC power signal, an impedance tuner, a temperature sensor in the antenna, a DC-DC conversion component, and a microcontroller. The microcontroller provides a tuning command to the impedance tuner, causing the impedance tuner to compensate for an impedance change in the antenna due to a temperature change in the antenna. An environmentally adaptive antenna system has an antenna structure, an EM power signal, a DC power signal, an EM power splitter, a directional coupler, a reference receiver, a measurement receiver, an impedance tuner, and a controller. The controller calculates antenna impedance change based on observed changes in return loss, calculates a corresponding correction to the antenna impedance, and sends a command to the impedance tuner to implement the correction to the antenna impedance.

The present application provides an antenna and an electronic apparatus. The antenna is a high-gain composite reflector antenna, and comprises: a feed source (3) comprising a plurality of radiation units; and a composite reflector arranged opposite to the feed source, the composite reflector comprising a parabolic reflector (2) and a parabolic cylinder reflector (1), and the parabolic reflector (2) being connected to the side of the parabolic cylinder reflector (1) oriented to the feed source (3). The electronic apparatus comprises an equipment housing (4) and the antenna, the feed source (3) being arranged in the equipment housing (4), and the equipment housing (4) being connected to the composite reflector.

The application discloses a conformal annular metal cavity omnidirectional antenna based on slot radiation and belongs to the technical field of antennas, which comprises an annular metal cavity for containing a columnar carrier; two rectangular slots are symmetrically formed on the side wall of the annular metal cavity; two coaxial feeding structures; and a conical metal cavity is coaxially arranged on the periphery of the annular metal cavity and used for balancing the electric field phases of the two rectangular slots. After the two rectangular slots are excited, the directly radiated electric field in the horizontal plane has the problem of uneven electric field distribution, which causes the radiation recess to exist unevenly in the horizontal plane pattern. By loading the conical metal cavity around the annular metal cavity, the introduction of the conical metal cavity metal balances the rectangular slot and the radiated horizontal plane electric field, improves the electric field distribution, and improves the omnidirectional characteristics and horizontal plane gain of the antenna.

The application relates to an antenna module and an electronic device. The antenna module comprises a first antenna unit and a second antenna unit. The first antenna unit comprises a first radiation branch and a ground tuning circuit. The first radiation branch can be connected to a first feed signal. The second antenna unit comprises a second radiation branch. The second radiation branch can be connected to a second feed signal. When the second feed signal excites the second radiation branch to work in a first resonant mode to transmit a first frequency band signal, the first feed signal excites the first radiation branch to generate a surface current to transmit a second frequency band signal. The frequency ranges of the first frequency band signal and the second frequency band signal at least partially overlap. When the second radiation branch generates an induced current on the first radiation branch, the ground tuning circuit at least adjusts the current direction of the radiation branch between the first ground end and the second ground end to be the same as the current direction of the first resonant mode. The radiation efficiency of the second antenna can be improved, the isolation can be solved, and the antenna performance can be improved.

The present disclosure is directed to a system that includes a radio frequency (RF) board configured to support multiple frequency bands and antenna configurations through dynamic routing and selective component population. The RF board includes an antenna feed, first and second signal paths, and frequency processing sites, allowing a single antenna feed to connect to either path by populating specific components. This configuration enables processing of different signal frequencies without altering PCB substrate pathways. Integrated switches, such as SPDT or PIN diodes, facilitate software-driven routing adjustments in some embodiments, optimizing performance based on real-time requirements. A manufacturing process involves configuring the PCB with pre-existing signal paths and selectively populating components to meet SKU requirements. The RF board's layout supports signal routing to various processing components, ensuring proper impedance and minimal interference. This system provides efficient signal management, scalability, and enhanced performance, while maintaining adaptability across diverse wireless standards.

This application provides an antenna device and a communication device. By electrically connecting the active vibrator of the antenna device to the second end of a first conductor, and electrically connecting the first end of the first conductor to radio frequency signal ports on a circuit board, radio frequency signal transmission is achieved between the radio frequency signal ports and the active vibrator. Simultaneously, the first end of a switching element is electrically connected to the second end of the first conductor through a bias circuit, and the second end of the switching element is electrically connected to the second end of a second conductor through a bias circuit, with the first end of the second conductor grounded. This allows the bias circuit to control the on and off states of each switching element. In this way, the antenna device can freely switch between omnidirectional and directional radiation modes, while reducing the number of cables between the circuit board and the antenna body. Furthermore, by setting a radio frequency signal suppression circuit on the sub-bias circuit to suppress radio frequency signals from entering the bias circuit, the antenna radiation performance is improved.

The present application relates to the technical field of wireless communication system, especially to a method for realizing one-way radiation of antenna, which gives different excitation phases to antenna one and antenna two which are adjacent and arranged at intervals to offset the backward radiation of the antenna. The present application offsets the backward radiation of the antenna through field offset principle, and gives different excitation phases to the antenna to offset the backward radiation of the antenna, thereby enhancing the forward radiation. The method for offsetting the backward radiation of the antenna does not need to increase additional structure, and the cross section is small. The radiation principle is simple to implement and easy to expand, and can be widely applied in communication system.

The application relates to the technical field of phased array antennas, in particular to a flat plate type phased array antenna which comprises a base, an angle adjusting mechanism arranged on the base, and a phased array antenna body arranged on the angle adjusting mechanism, a rotating seat is rotatably arranged at the middle part of the base, an antenna mounting surface is rotatably arranged above the rotating seat, and the phased array antenna body is arranged above the antenna mounting surface; the angle adjusting mechanism comprises an azimuth angle adjusting assembly and a pitch adjusting assembly; a center wave-transparent area is arranged at the middle part of a heat shield, and a heat flow guiding assembly is arranged on the periphery of the heat shield. Compared with the prior art, the heat flow guiding assembly is arranged, heat is transmitted through contact and convection / radiation coupling into the groove, then is diffused in the circumferential direction, is transmitted to the outer heat conduction plate in a directional manner, and is connected to an external radiator / fins / heat pipes / liquid cooling, etc. through the external connecting hole to realize multi-point heat dissipation and uniform temperature release, reduce local hot spots, thermal stress and maintenance replacement cost.

This disclosure relates to battery packs and wireless communication devices, as well as wireless communication methods for battery packs. The technical problem to be solved is to propose a mechanism that enables a main battery management system (BMS) and multiple slave BMSs to perform radio frequency (RF) communication via repeaters based on an active phased array antenna system. To this end, this disclosure aims to provide a configuration that allows the collection of battery pack status and the transmission of corresponding control signals via repeaters based on an active phased array antenna system, wherein the repeaters perform RF communication between multiple slave BMSs and the main BMS.

The application discloses a mesh antenna metal mesh zero-constraint splicing method, which comprises the following steps: laying and hanging metal meshes on a working tension applying device, applying working tension to the metal meshes in the transverse and longitudinal directions; sewing tension control belts along the length direction of the metal meshes on both sides in the working tension state; overlapping two metal meshes which need to be spliced and are sewn with the same tension control belts, and overlapping the cross sections in the overlapping position according to the order of 'belt-mesh-mesh-belt'; sewing the two layers of metal meshes along the two sides of the tension control belts by using composite sewing threads; and repeating the above steps to sew all the metal mesh pieces required by the whole antenna reflecting surface in sequence. The metal mesh splicing is performed by using the lock edge needle method, the tension control belts can be removed after the splicing is completed, the splicing joint formed is in a'mesh-mesh' structure, the thickness is only 0.07-0.08 mm, the elasticity keeps the original elasticity of the metal mesh, the mesh surface tension is more uniform, and the risk that the antenna unfolding resistance is increased due to the slight shrinkage of the tension control belts under high temperature is effectively eliminated.

High-frequency chip arrangement (100), comprising - a high-frequency chip (112) configured to transmit and receive high-frequency waves, - a cavity-enclosing first housing (114, 115) consisting of a housing cover (115) and a support substrate (114), wherein the first housing (114, 115) surrounds the high-frequency chip (112) when the housing cover (115) is attached to the support substrate (114); - wherein the high-frequency chip (112) is arranged on a top side of the substrate such that it radiates the high-frequency waves away from the substrate (114); - wherein the carrier substrate (114), the high-frequency chip (112) and the first package (114, 115) form a module (110); - a second housing (120) that surrounds at least the module (110), wherein a space (121) between the module (110) and the second housing is filled with a potting compound (104) so ​​that the module (110) is completely surrounded by the potting compound (104) and the high-frequency waves pass through the first housing (114, 115), the potting compound (104), and the second housing (120).

An antenna structure for a metal-cased electronic device includes a radiator, a feed portion, and a slit. The feed portion can feed signals into the radiator, the radiator includes a first end and a second end, the first end disposes a first radiation portion, the second end disposes a second radiation portion and a third radiation portion, the second radiation portion and the third radiation portion are coupled to each other to radiate a radiation signal at a first frequency band, the slit and the radiator is spaced at intervals, and the slit is coupled to the first radiation portion to radiate the radiation signal at a second frequency band. The present disclosure also provides an electronic device with the antenna structure.

The present disclosure relates to a battery pack and a wireless communication apparatus, and a wireless communication method thereof. The battery pack comprises a pack case; a plurality of battery modules mounted inside the pack case; a plurality of slave battery management systems (BMSs) that are mounted on each battery module and collect battery status information of each battery module; and a master BMS configured to receive the battery status information from each of the plurality of slave BMSs through radio frequency (RF) communication and integrate and manage the plurality of slave BMSs, wherein RF communication is performed between the plurality of slave BMSs and the master BMS through a repeater based on an active phased array antenna system.

An electronic device, and the electronic device includes: a frame body, a display, and an antenna coupling structure. The display is disposed on the frame body, and a display control line is disposed on a side, close to the frame body, of the display. An antenna resonant arm is disposed on the frame body, and the antenna resonant arm includes a first antenna and a second antenna. Operating frequency bands of the first antenna and the second antenna are different, and a gap is formed between the antenna resonant arm and the display control line. A clearance area is provided at a position, close to the gap, on the frame body, the antenna coupling structure is disposed in the clearance area, and the antenna coupling structure is coupled to an antenna reference ground on the frame body.

The application discloses a ridge waveguide slot antenna, which comprises a radiation layer, a coupling slot layer and a feed network layer; the coupling slot layer is a ridge waveguide, the radiation layer is arranged on the side with a ridge of the ridge waveguide in a laminated mode, a coupling hole array is arranged on the interface of the laminated mode, and the radiation layer is provided with a radiation slot; a PCB board is arranged in a box body of the feed network layer, a ridge waveguide-microstrip line transition structure is arranged on one side of the PCB board, one end of the transition structure is connected with the ridge of the ridge waveguide, the other end of the transition structure is connected with a microstrip line printed on the PCB board, and the microstrip line leads to a probe port on the outer wall of the box body; the ridge waveguide slot antennas are arranged in parallel with each other to form a ridge waveguide slot antenna array, the feed network layers of the ridge waveguide slot antennas in the ridge waveguide slot antenna array are located on the same side, and the feed network layers are connected with each other through the probe ports to form a sub-network. The application has a compact structure, can effectively reduce the area and profile height of the ridge waveguide slot antenna array under the premise of ensuring the performance of the ridge waveguide slot antenna.

The present disclosure provides an antenna device including a ground plane, a plurality of omni-directional antennas connected to the ground plane, a directional antenna connected to the ground plane, and a wall structure including a metal and connected to the ground plane, the wall structure surrounding the directional antenna and disposed between the directional antenna and the plurality of omni-directional antennas.

This application provides a foldable electronic device and an antenna system for same. The antenna system includes a main antenna element and a parasitic antenna element. The main antenna element is an antenna structure having a radiation characteristic of a current loop antenna, and includes a feed point and a first radiating branch disposed on a first body of the electronic device. The parasitic antenna element includes a second radiating branch disposed on a second body of the electronic device. In a folded state, the first radiating branch and the second radiating branch are at least partially overlapped. The first radiating branch is configured to perform magnetic field coupling with the second radiating branch, to form current loop radiation on both the first radiating branch and the second radiating branch, and a current direction in a current loop formed on the first radiating branch is the same as a current direction in a current loop formed on the second radiating branch. In this manner, longitudinal currents in a same direction may be simultaneously excited on a foldable grounding plate of the electronic device, to achieve a purpose of reducing or eliminating energy consumed in the folded state and increasing antenna efficiency, effectively resolving a problem of poor antenna efficiency in a low band of the electronic device in the folded state.

This disclosure provides an antenna, an antenna system, and a vehicle, and pertains to the field of wireless communication technologies. The antenna includes a main antenna, a parasitic antenna, and a mainboard, where the main antenna and the parasitic antenna are both located on a surface of the mainboard, and a plane on which the main antenna is located and a plane on which the parasitic antenna is located are parallel, and are opposite to each other. A feeding point of the main antenna is connected to a feeding transmission line of the mainboard, and the parasitic antenna is connected to a second ground end of the mainboard. A difference between a resonance frequency point of the main antenna and a resonance frequency point of the parasitic antenna is less than a target threshold. The antenna is used in a vehicle and is used as a communication antenna of the vehicle, for example, is used as a 4G communication antenna or a 5G communication antenna, to implement 4G or 5G wide bandwidth coverage, for example, full bandwidth coverage. In addition, the antenna can further improve an out-of-band suppression degree and improve an anti-inter-frequency interference feature.

This application provides an electronic device, comprising: a plurality of antenna elements, at least one of which includes a first electrode and a second electrode overlapping the first electrode; and a circuit electrically connected to the second electrode and providing an electrical signal to the second electrode; wherein the second electrode directly receives a first electrical signal and indirectly receives a second electrical signal.

The present disclosure relates to a battery pack and a wireless communication apparatus, and a wireless communication method thereof, and a technical problem to be solved is to propose a mechanism that enables a master battery management system (BMS) and a plurality of slave BMSs to perform radio frequency (RF) communication through a repeater based on an active phased array antenna system. To this end, the present disclosure is directed to providing a configuration that enables the collection of status of a battery pack and the transmission of corresponding control signals through a repeater based on an active phased array antenna system that performs RF communication between a plurality of slave BMSs and a master BMS.

An antenna device is provided. The antenna device includes a base; an antenna group including a plurality of radiating elements disposed on the base along a first direction; and a feed line configured to feed power to the plurality of radiating elements, the feed line having an air-strip structure, wherein the feed line includes: a plurality of connection line regions configured such that one end is connected to each radiating element of the plurality of radiating elements, and a main line region bent at a predetermined angle at the other end of the connection line region and formed along the first direction from a side surface of the antenna group.

Embodiments of this application disclose a terminal monopole antenna, relating to the technical field of antennas, and enabling the antenna to provide better radiation performance under a same environmental condition. A specific solution is: The antenna includes a radiation branch, the radiation branch includes at least one radiator, and a first end of the radiator is electrically connected to a reference ground through a first inductor. When the terminal monopole antenna is directly fed by a feeding point, a second end of the radiator is electrically connected to the feeding point. When the terminal monopole antenna is coupled and fed, the second end is electrically connected to the reference ground through a second inductor. The terminal monopole antenna further includes a feeding branch, the feeding branch is not connected to the radiation branch, the feeding branch is arranged between the radiation branch and the reference ground, a feeding point is arranged on the feeding branch, and the feeding branch is configured to perform coupled feeding to the radiation branch. A length of the radiation branch is less than a quarter of an operating wavelength of the terminal monopole antenna.

The application provides a large antenna array and a phase consistency design method thereof, and the design method comprises the following steps: recording cables between a signal generator and a power amplifier array as first cables, and dividing the first cables into i groups; recording cables between the power amplifier array and an antenna array as second cables, the total number of the second cables is N times of the total number of the first cables, and the second cables are divided into i groups corresponding to the first cables; and the first cables and the second cables between each group of cables adopt an asymmetric cable layout to ensure that the phase consistency of the large antenna array meets the requirements. The application can improve the array surface power efficiency, reduce the system noise coefficient, and reduce the difficulty of array cable arrangement.