274results about "Disturbance protection" patented technology

Aspects of the subject disclosure may include, for example, receiving, via an antenna, a communication signal generated by a communication device, and detecting interference in the communication signal, wherein the interference is generated by one or more interference sources, wherein the interference is detected by monitoring a near field region of the antenna, an intermediate field region of the antenna, a far field region of the antenna, or any combinations thereof, wherein the monitoring excludes monitoring only the far field region of the antenna. Other embodiments are disclosed.

The invention discloses a linear polarization scattering reconfigurable array antenna, which belongs to the technical field of antenna manufacturing and comprises an antenna unit, an extension socket, a transmission type phase shifter and an inductor. The antenna unit comprises a radiation patch, a first dielectric substrate, a metal via hole, a metal patch, a second dielectric substrate, a perforated metal floor, a third dielectric substrate, a feed metal column and a radio frequency coaxial connector, the radio frequency coaxial connector is connected with the radiation patch through the feed metal column, and a variable capacitance diode and a capacitor are arranged on the transmission type phase shifter. The transmission type phase shifter is connected with the radiation patch through the feed metal column, the variable capacitance diode is connected with the punching metal floor, the bottom of the third dielectric substrate is provided with a direct current bias line, the direct current bias line is connected with the transmission type phase shifter through the inductor, and the transmission type phase shifter is connected with the radiation patch through the feed metal column. According to the invention, flexible regulation and control of antenna scattering beams can be realized, and the antenna has the characteristics of flexible control, fast response speed and high radiation efficiency.

The invention discloses a broadband wide-angle scanning array antenna based on a metasurface lens, belongs to the technical field of phased-array antennas, solves the problem of how to improve the scanning range and gain of the phased-array antennae, and is characterized in that the metasurface lens with phase gradient is loaded above the phased-array antenna on the basis of not changing the structure of the original phased-array antenna. The beam scanning range of the phased-array antenna is expanded, and the performance such as gain is improved; according to the invention, an original phased-array antenna does not need to be modified and redesigned, additional active devices do not need to be added, new components do not need to be introduced into an original system, the system cost is effectively reduced, the system size is reduced, and the antenna is suitable for scenes, such as unmanned aerial vehicles and low-altitude aircrafts, which have strict requirements on the size and the weight.

The invention discloses a mesh antenna metal net zero-constraint splicing method. A metal net is tiled and hung on a working tension applying device, and working tension is applied to the metal net in the transverse direction and the longitudinal direction; in the working tension state, tension control belts are sewn on the edges of the two sides of the metal net in the length direction; lapping two metal nets which need to be spliced and are sewn with the same tension control belts, wherein the sections of the lapping positions are lapped according to the sequence of belt-net-net-belt; sewing two layers of metal nets along the two sides of the tension control belt by adopting composite material sewing lines; and repeating the steps, and sewing all the metal meshes required by the whole antenna reflecting surface in sequence. According to the method, the metal net is spliced by adopting an overlock stitching method, the tension control belt can be detached after splicing is completed, the formed splicing seam is of a net-net structure, the thickness is only 0.07-0.08 mm, the elasticity keeps the original elasticity of the metal net, the net surface tension is more uniform, and the risk that the antenna expansion resistance is increased due to micro shrinkage of the tension control belt at high temperature is effectively eliminated.

An electronic device electronic device is provided. The electronic device includes a first antenna, a second antenna, memory, comprising one or more storage media, storing instructions, and at least one communication processor communicatively coupled to the first antenna, the second antenna, and the memory, wherein the instructions, when executed by the at least one communication processor individually or collectively, cause the electronic device to during an operation in a mode in which data is transmitted to a cellular network via the first antenna and the second antenna, identify a number of uplink layers allocated by the cellular network to the electronic device, in case that the number of uplink layers allocated to the electronic device during a specified time satisfies a specified condition, change an operation mode related to impedance matching of at least one of the first antenna and the second antenna from a first mode for improving performance of at least one antenna to a second mode for reducing consumption of an amplifier electrically connected to the at least one antenna, and perform the impedance matching of the at least one antenna in the second mode.

This application provides an electronic device. The electronic device includes a back cover, a camera bracket, and an NFC antenna. The camera bracket is disposed on the back cover and includes a first surface and a second surface disposed opposite to each other. The first surface of the camera bracket faces outwards from the electronic device. The camera bracket has a first light-transmitting hole for facing a first flash or a first camera. The NFC antenna is disposed on the first surface of the camera bracket. The first orthographic projection of the NFC antenna onto the first surface of the camera bracket falls within the first surface of the camera bracket and does not overlap with the first light-transmitting hole, so that the NFC antenna avoids the first light-transmitting hole. This application provides a solution that enables the NFC antenna to maintain good radiation performance even in scenarios where the number of cameras is increasing and the camera bracket is becoming larger.

The invention belongs to the technical field of composite materials and radomes, and particularly relates to a layer structure of a radome body and a manufacturing method. The skin comprises a first skin layer, an interlayer, a second skin layer and a polyvinyl fluoride film layer which are sequentially arranged from top to bottom. Through collaborative design of a micro-nano composite structure and a low-surface-energy material, a self-cleaning surface skin layer with super-hydrophobicity, high wave transmission and weather resistance is constructed. Compared with a traditional fluorocarbon coating, the wave transmission rate is 60-70% and is improved by more than 25%, the signal transmission loss is remarkably reduced, and the harsh requirement for the wave transmission performance of the antenna housing is met. The cleaning cost of a traditional antenna housing can be saved by more than 80%, especially for high-altitude and complex-structure antenna housings, high-altitude operation or special equipment is not needed, and the maintenance safety risk is reduced. The replacement frequency of the radome caused by aging and abrasion of the coating can be reduced, and the overall life cycle cost of equipment is reduced.

A vehicle antenna assembly includes an antenna base film and a transparent antenna unit. The transparent antenna unit is attached to one side of the antenna base film, and the transparent antenna unit includes: a first radiation unit, which is configured to receive and transmit a radio frequency signal; and a second radiation unit, which is arranged spaced apart from the first radiation unit. The second radiation unit is grounded and is configured to tune the resonant frequency of the first radiation unit, such that the first radiation unit meets an impedance matching requirement.

[0060] The invention relates to a high-frequency chip arrangement 100. The high-frequency chip arrangement comprises a high-frequency chip 112 configured to radiate and receive high-frequency waves, and a first housing 114, 115 having a cavity, consisting of a housing cover 115 and a substrate 114, wherein the first housing surrounds the high-frequency chip when the housing cover is attached to the substrate. The high-frequency chip is arranged on a top surface of the substrate such that it radiates the high-frequency waves away from the substrate. The substrate, the high-frequency chip, and the first housing form a module 110.The high-frequency chip arrangement has a second housing 120 that surrounds at least the module, wherein an intermediate space 121 between the module and the second housing is filled with a potting compound 104, so that the module is completely surrounded by the potting compound and the high-frequency waves pass through the first housing, the potting compound, and the second housing.

Disclosed in the present application are an antenna assembly for a vehicle, and a glass assembly and a vehicle. The antenna assembly for a vehicle comprises an antenna base film and a transparent antenna unit. The transparent antenna unit is attached to one side of the antenna base film, and the transparent antenna unit comprises: a first radiation unit, which is used for receiving and transmitting a radio frequency signal; and a second radiation unit, which is arranged spaced apart from the first radiation unit, wherein the second radiation unit is grounded and is used for tuning the resonant frequency of the first radiation unit, such that the resonant frequency meets an impedance matching requirement. The antenna assembly for a vehicle in the present solution can be attached to glass and can also be arranged in a glass interlayer. An antenna design area is large, and the physical distance between antennas is large, such that the problem of the isolation degree between the antennas can be fundamentally solved. In addition, the antennas are designed on vehicle glass, such that the influence of shielding of metal of a vehicle body on the performance of the antennas can be effectively avoided, thereby greatly improving the radiation efficiency of the antennas.

A wireless communication system includes a transmitter, a plurality of passive substantially linear medium portions including one or more first portions and a second portion, one or more passive substantially nonlinear medium portions disposed proximate the substantially linear medium portions, and for each first portion, a dielectrically lossy or magnetically lossy first material disposed on the first portion. When the transmitter transmits first and second radio waves, the substantially linear and nonlinear medium portions receive the first and second radio waves and generate first and second signals propagating therein, where at least one intermodulation signal is generated in the one or more substantially nonlinear medium portions from the first and second signals, and the one or more first materials reduces the generation of the at least one intermodulation signal by at least 2 dB.

The present application provides a wearable electronic device, which includes a housing and a circuit board assembly. The circuit board assembly is located inside the housing and is fixed relative to the housing. The housing includes a carbon fiber material, and the housing has an inner surface. The housing includes a conductive layer provided on the inner surface, and the conductive layer electrically connects the carbon fiber material dispersed in the housing. The housing and the circuit board assembly are electrically connected via the conductive layer. By adopting the above technical solution, the conductive layer provided on the inner surface of the housing makes the housing as a whole form a conductor, and further the housing and the circuit board assembly are electrically connected together via the conductive layer, so that the housing containing the carbon fiber material itself is used as part of the antenna, thereby improving the antenna performance of the wearable electronic device whose housing is made of carbon fiber material.

The invention discloses a multi-antenna anti-interference method, multi-antenna anti-interference equipment, a storage medium and a program product, and aims to solve the contradiction between poor performance of a sub-array architecture and overhigh calculation complexity of a full-array architecture. The method comprises the following steps: carrying out global synchronization processing by taking all array elements as a whole, and determining a shared synchronization point; the array is divided into a plurality of sub-arrays, each sub-array uses the synchronization point and independently calculates a set of anti-interference weights, and accordingly, sub-array output signals subjected to interference suppression are generated; and determining a group of optimal merging coefficients through an optimization algorithm with the purpose of maximizing the final signal quality, and performing weighted merging on all sub-array output signals to generate a final output signal. In addition, the method also comprises a mechanism for periodically updating an anti-interference weight and a merging coefficient. According to the method, through step-by-step processing and optimal combination, the calculation complexity is effectively reduced, meanwhile, the performance loss of a traditional sub-array scheme is avoided, and the anti-interference performance of a system in a dynamic complex environment is improved.

Aspects of the subject disclosure may include, for example, obtaining data regarding passive intermodulation (PIM) detected in a received communication signal, and performing polarization adjusting for a communications system such that an impact of the PIM on the communications system is minimized. Other embodiments are disclosed.

This disclosure discloses a protective cover for a base station antenna. The cover includes a housing and a support. The housing spans over the radiator of the base station antenna and includes a front wall, a first side wall and a second side wall extending rearward from the front wall, and a first rear flange and a second rear flange extending inward from the respective first and second side walls. The support includes a body and a first mounting flange and a second mounting flange extending forward from the body. The first and second mounting flanges mate with the corresponding first and second rear flanges of the housing to connect the housing to the support. The housing provides an aesthetically pleasing appearance and reduces the possibility of screws loosening due to lateral wind forces.

This application provides an electronic device. The electronic device includes a rear cover, a camera bracket, and an NFC antenna. The camera bracket is disposed on the rear cover and includes a first surface and a second surface that are oppositely disposed. The first surface of the camera bracket faces an outer side of the electronic device. A first light hole is disposed in the camera bracket, and the first light hole is configured to be opposite to a first camera flash or a first camera. The NFC antenna is laid on the first surface of the camera bracket. A first orthographic projection of the NFC antenna on the first surface of the camera bracket falls into the first surface of the camera bracket and does not overlap the first light hole, so that the NFC antenna avoids the first light hole. In this application, an NFC antenna still has good radiation performance in a scenario in which a quantity of cameras is increasingly large and a camera bracket is increasingly large.

This application provides a battery cover assembly and an electronic device, relating to the field of antenna technology. The battery cover assembly provided by this application includes a battery cover body, a first radiator, and a second radiator. The battery cover body has a first surface and a second surface disposed opposite to each other. The first radiator and the second radiator are disposed on the first surface, with the first radiator positioned between the second radiator and the first surface. The second radiator has a feed point and is used to couple signals to the first radiator. The aforementioned first and second radiators constitute the radiating element of a traveling wave antenna. By positioning the first radiator between the second radiator and the first surface, the distance between the first radiator and the ground plane of the electronic device is increased, thereby increasing the clearance of the first radiator and improving the radiation efficiency of the traveling wave antenna.

The application provides a signal feed assembly, which comprises a substrate, a signal coupling unit, a switching unit and a transmission unit. The switching unit comprises a control terminal, a common terminal and at least two switching output terminals. The control terminal and the common terminal are electrically connected to the transmission unit, so as to transmit baseband signals and radio frequency signals through the transmission unit. The signal coupling unit is arranged apart from a radiating element, so as to transmit radio frequency signals through the radiating element to generate multiple radiation modes. The signal coupling unit comprises at least two coupling patches, each of which is electrically connected to a corresponding switching output terminal. The switching unit controls the switching of the coupling patches through the switching output terminals to switch the multiple radiation modes. The application comprises a modular signal feed assembly and a metal radiating element, so as to form a corresponding antenna module to cover multiple frequency bands, improve the frequency width and have the best antenna efficiency. The application also provides an antenna module and an electronic device.

The application belongs to the technical field of antennas, and discloses an S / Ka-band common-aperture antenna and communication equipment, which comprises a first dielectric plate and a second dielectric plate stacked from top to bottom; the top surface, the middle and the bottom surface of the first dielectric plate are respectively provided with a rectangular patch array, a first metal through hole and a first metal layer; wherein the rectangular patch array, the first metal through hole and the first metal layer form a magneto-electric dipole antenna array; the magneto-electric dipole antenna array works in the Ka-band and is used for realizing satellite communication; the top surface, the middle and the bottom surface of the second dielectric plate are respectively provided with a second metal layer, a second metal through hole and a third metal layer; wherein the second metal layer, the second metal through hole and the third metal layer form a low-profile monopole antenna; the low-profile monopole antenna works in the S-band and is used for realizing ground equipment communication; the application has a simple structure, can realize different beams and polarization characteristics, effectively improves the space utilization rate of the antenna and has high integration.

The invention discloses a center feed four-azimuth wave beam reconfigurable antenna, and belongs to the field of radio frequency front-end devices. The antenna is composed of a straight arm, a crank arm, a central square patch, a capacitor loading ring, a shunt feeder line and a composite beam RF MEMS switch loaded at a fracture on the shunt feeder line, the structures are in central symmetry about a feeding point and respectively cover a 90-degree space range, and the feeding structure is connected with the center of a top patch through a microstrip feeder switching metal column. When the MEMS switch on a certain branch feeder line is switched on, current fed in from the center firstly flows to the straight crank arm radiation unit at the near end of the closed switch through the branch and then flows to the radiation unit at the far end, phase lag of the current at the far end is equivalent to superposition of a binary array, deflected wave beams are generated, the deflection angle can reach 50 degrees, the gain is 4.9 dB, and the wave beam width can reach 120 degrees. The structural design in central symmetry can realize the reconfigurability of wave beams in four directions in a space quadrant.

The present invention relates to a sensor module for a luminaire. A lighting system can include a luminaire located in a hazardous environment, where the luminaire includes a controller. The luminaire can also include a sensor module communicably coupled to the controller of the luminaire, where the sensor module includes a sensor module housing and a sensor disposed within the sensor module housing, where the sensor module housing includes a first coupling feature coupled to a hazardous location enclosure. The hazardous location enclosure and the sensor module, when coupled to one another, can comply with applicable standards for the hazardous environment.

Provided in the embodiments of the present application is an electronic device. The electronic device comprises a first antenna and a second antenna. The first antenna uses conductive portions of a frame of a first housing as a first radiator and a parasitic branch. The second antenna uses a conductive portion of a frame of a second housing as a second radiator, and the second radiator is disposed adjacent to the parasitic branch. The electronic device may be a foldable electronic device; and when the electronic device is in a folded state, a good degree of isolation is achieved between the first antenna and the second antenna, and the first antenna and the second antenna may operate at the same time, thereby improving the communication performance of the electronic device.

This application relates to an on-chip antenna and an on-chip antenna device. The on-chip antenna includes: a first antenna section having a parasitic patch disposed therein; a second antenna section having a radiating patch disposed therein and a feed line connected to the radiating patch, the feed line being used to feed a high-frequency signal to the radiating patch; and a carrier structure disposed between the first antenna section and the second antenna section, such that an air layer is formed between the parasitic patch and the radiating patch, allowing the high-frequency signal to be electromagnetically coupled within the air layer before being transmitted to the parasitic patch. The radiating patch can radiate the received high-frequency signal to the parasitic patch through the air layer to achieve signal transmission. This method of signal transmission via air can reduce signal transmission loss and improve radiation efficiency.

The application discloses a thin film circularly polarized antenna and belongs to the technical field of phased array antennas. The thin film circularly polarized antenna comprises an upper layer radiation thin film antenna, the bottom of the upper layer radiation thin film antenna is provided with an intermediate hollow structure, the side, away from the upper layer radiation thin film antenna, of the intermediate hollow structure is provided with a lower layer radiation thin film antenna, and the side, away from the intermediate hollow structure, of the lower layer radiation thin film antenna is provided with a bottom layer radio frequency printed board. The hollow region of the intermediate hollow structure forms an air medium layer, and air is used as an antenna radiation medium. The upper layer radiation thin film antenna, the intermediate hollow structure and the lower layer radiation thin film antenna are fixed and assembled into an integrated whole through a mechanical connection mode. The thin film circularly polarized antenna of the application omits the processes such as exposure, development, etching and multiple pressing of the conventional PCB process, greatly simplifies the manufacturing process, greatly reduces the manufacturing cost, is suitable for quick mass production with low cost, and has the advantage of not being easy to break compared with the conventional PCB process antenna.

This application provides a foldable electronic device and an antenna system for same. The antenna system includes two same-band antennas disposed on a first body, a decoupling structure connected in series between the two antennas, and a parasitic structure disposed on a second body. The two antennas are spaced apart by a gap. In a folded state, the parasitic structure at least partially overlaps both the two antennas. The parasitic structure is a 1 / 2 wavelength antenna structure. The wavelength is an operating wavelength of the two same-band antennas. In the folded state, when any one of the two antennas is operating, the parasitic structure is coupled to the any one antenna to form resonance in a 1 / 2 wavelength mode, and an induced electric field is formed between one side of a middle of the parasitic structure and a reference ground and an induced electric field in an opposite direction is formed between the other side of the middle of the parasitic structure and the reference ground, to offset an electric field coupled from the any one antenna to the other antenna. This suppresses radiated energy on the any one antenna from being coupled to the other antenna through the reference ground on the second body. In this way, a problem of a poor isolation between the two same-band antennas in an unfolded state and the folded state can be resolved effectively.

The application provides an antenna structure and a communication device, and relates to the technical field of communication antennas.In the application, the antenna structure comprises a metasurface structure layer and a dual-frequency feeding structure layer, and the dual-frequency feeding structure layer comprises: a first dielectric substrate layer; a magneto-electric dipole metal patch, which constitutes a Fabry-Perot resonant cavity with one side of the metasurface structure layer close to the first dielectric substrate layer; and a first metal ground plate layer, wherein the first metal ground plate layer is connected with the magneto-electric dipole metal patch through a first metalized via hole, and the first metal ground plate layer is provided with a feeding slot and a symmetrical double slot, the feeding slot is used for high-frequency feeding of the magneto-electric dipole metal patch, and the symmetrical double slot is used for low-frequency differential feeding of the metasurface structure layer.Based on the above, the problem that the gain at the dual frequency is relatively low in the prior art can be improved.

The application provides a communication device, relates to the technical field of antennas, and is used for solving the problem of how to improve the antenna gain without interfering with the antenna modularization. Specifically, the communication device comprises an antenna and a wave dense medium. The wave dense medium is arranged in the transmission direction of the antenna and is spaced apart from the antenna. The dielectric constant of the medium located on the side of the wave dense medium close to the antenna and the dielectric constant of the medium located on the side of the wave dense medium away from the antenna are both smaller than the dielectric constant of the wave dense medium. The thickness D of the wave dense medium from the surface close to the antenna to the surface away from the antenna satisfies: 0.5nλg(1-10%)≤D≤0.5nλg(1+10%), wherein n=1, 2, 3... and λg is the resonant wavelength of the antenna operating frequency band in the wave dense medium. The communication device provided by the application is used for realizing the transmission and reception of electromagnetic wave signals.

The application discloses a high-isolation plastic metalized waveguide slot antenna, which comprises a fixed back plate, a transmitting antenna, a transceiving isolation structure and a receiving antenna arranged on the fixed back plate. The transmitting antenna comprises one waveguide slot antenna unit and is used for transmitting electromagnetic signals. The transceiving isolation structure is arranged between the transmitting antenna and the receiving antenna and is used for inhibiting spatial wave coupling between the transmitting antenna and the receiving antenna. The receiving antenna comprises eight waveguide slot antenna units arranged according to predetermined positions and is used for receiving echo signals of a target. The application has the characteristics of high isolation while ensuring the gain requirement, and has the advantages of light weight and low cost.