73 results about "Antenna efficiency" patented technology

The embodiment of the invention provides wearable electronic equipment, and belongs to the technical field of electronic equipment. The wearable electronic equipment comprises a shell and an antenna device. Wherein the shell comprises a contact surface, and the contact surface is used for being in contact with a wearer. The antenna device is arranged in the shell, the antenna device comprises a first antenna structure and a second antenna structure, and the first antenna structure and the second antenna structure are used for generating resonance at the same time. The first antenna structure, the second antenna structure and the contact surface are sequentially arranged along the thickness direction of the shell, and the first antenna structure and the second antenna structure are arranged at an interval. The projection of the second antenna structure and the projection of the first antenna structure are at least partially overlapped in the thickness direction of the shell. Therefore, the absorption of electromagnetic energy by a human body can be reduced, and the antenna efficiency is improved.

An antenna assembly, an electronic device main body, an electronic device, a storage medium and a control method of the electronic device, the antenna assembly comprises a circuit board, a main radiator, a parasitic radiator and a switching circuit, the main radiator is connected with a feed circuit of the circuit board, and the parasitic radiator is connected with the switching circuit. And the switching circuit is used for enabling the main radiator to feed the parasitic radiator under the conduction condition, and the switching circuit is used for enabling the main radiator not to feed the parasitic radiator under the turn-off condition. The parasitic radiator is controlled by the switching circuit, and the switching circuit can enable the main radiator to feed the parasitic radiator, so that the electrical length of the antenna assembly can be increased, and the antenna efficiency of the antenna assembly can be improved. In some application scenarios, if the parasitic radiator participates in radiation, the antenna performance is deteriorated, and the parasitic radiator can be controlled not to participate in radiation of wireless signals through the switching circuit, so that the antenna assembly can maintain better antenna performance in various application scenarios.

The application relates to an antenna and a mobile terminal, the antenna comprising a first radiation part, a second radiation part, a third radiation part and a switch module, wherein when the antenna works at a first frequency, the first radiation part and the second radiation part are electrically connected through the switch module, and are used for radiating or receiving an antenna signal of the first frequency; and / or when the antenna works at a second frequency, the first radiation part and the third radiation part are electrically connected through the switch module, and are used for radiating or receiving an antenna signal of the second frequency. The antenna realizes that different radiation units share the first radiation part, effectively saves the space for arranging the antenna in the mobile terminal, and the antenna can have different tuning apertures through a switch tuning mode, does not need to realize the switching of the working frequency of the antenna through high-order modes, avoids the attenuation of the antenna signal caused by the high-order modes, and further greatly improves the antenna efficiency.

The application discloses a coupling antenna and electronic equipment, which comprises a cross-joint unit, a first antenna branch, a second antenna branch and a feeding unit. The cross-joint unit comprises a selection switch and a plurality of antenna cross-joints. The selection switch is connected with the plurality of antenna cross-joints. The cross-joint unit is connected with the first antenna branch through the plurality of antenna cross-joints. The cross-joint unit is connected with the second antenna branch through the selection switch. The first antenna branch is further connected with the feeding unit. The method does not introduce a capacitor inductor device, thereby reducing device loss, increasing antenna efficiency, and the plurality of antenna cross-joints can be selected according to requirements, thereby increasing the antenna tuning range.

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 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 utility model provides a wireless earphone, comprising a housing, the housing comprises an upper housing and a lower housing, the upper housing and the lower housing are fixedly connected and define a cavity, and the upper housing is made of transparent glass; the main board is arranged in the cavity, and a feeding point and a grounding point are arranged on the main board; one end of the printed antenna is connected with the feeding point, the other end of the printed antenna is connected with a grounding point, and the printed antenna is printed on the upper shell. According to the wireless earphone provided by the utility model, the antenna can be arranged on the shell made of the glass material, so that the performance of the antenna is improved, and the efficiency of the antenna is improved.

The invention provides an antenna device, and relates to the technical field of communication. The antenna device comprises a main radiation branch knot which comprises a first free end, a feeding point and a second free end; the parasitic branch knot comprises a third free end and a fourth free end, and a coupling gap is arranged between the second free end and the third free end; and the feed source feeds a feed signal into the main radiation branch knot through the feed point, and is coupled with the parasitic branch knot through the coupling gap so as to excite the main radiation branch knot and the parasitic branch knot to respectively generate a 1 / 2 wavelength mode supporting a low-frequency band. By adopting the scheme, the antenna efficiency of the antenna device can be improved, and the antenna performance of the antenna device is relatively high.

The invention belongs to the technical field of antenna and radio frequency circuit integration, and discloses a cavity antenna circuit integrated metamaterial and a preparation method thereof. By removing part of the dielectric substrate to construct the artificial cavity, space is provided for a radio frequency functional circuit, and efficient coplanar integration of the antenna and the radio frequency circuit is realized. According to the invention, the mutual restriction of the thickness of the dielectric substrate on the antenna bandwidth and radio frequency circuit design can be overcome, the design flexibility and stability are improved, and the application scene is expanded. Through cavity and space stacking integration, the problem that in the prior art, an antenna and a radio frequency circuit are machined on the same layer of substrate at the same time, and consequently the design requirements of the antenna and the radio frequency circuit are contradictory is solved, the artificial cavity is formed in the bottom of the antenna medium, and the radio frequency function circuit executing the electromagnetic function is arranged in the artificial cavity, so that the antenna efficiency is improved. The prepared cavity antenna circuit integrated metamaterial can simultaneously exert the optimal performance of the two parts of an antenna and a radio frequency circuit, and the design flexibility is greatly improved.

Disclosed in the present application is a radio frequency system, comprising: a radio frequency transceiver (10) configured with a first transmitting port and a second transmitting port; and a transmitting module (20), comprising a first transmitting circuit (210), a second transmitting circuit (220) and a first switching circuit (230), wherein an input end of the first transmitting circuit (210) is connected to the first transmitting port, an input end of the second transmitting circuit (220) is connected to the second transmitting port, an output end of the first transmitting circuit (210) and an output end of the second transmitting circuit (220) are switchably connected to a first antenna or a second antenna by means of the first switching circuit (230); and the second transmitting circuit (220) comprises a power amplification unit (221) for supporting power amplification processing of a radio frequency signal. When the radio frequency system operates in a single-connection mode, a target transmitting circuit is determined on the basis of a power mode of the radio frequency system, and a target transmitting port is controlled to output the radio frequency signal to the target transmitting circuit for radiation by means of a target antenna. The target transmitting circuit is the first transmitting circuit (210) or the second transmitting circuit (220), the target transmitting port is the first transmitting port or the second transmitting port in the same group of transmitting ports, and the target antenna is determined on the basis of the antenna efficiencies of the first antenna and the second antenna.

An active antenna disclosed by the present invention comprises an antenna support, an antenna body and a tuning device, the antenna body is arranged on the antenna support, and the antenna support is provided with a plurality of tuning circuit conductive circuits. The tuning device is electrically connected with the tuning circuit conducting circuit in a surface mounting manner to form a tuning circuit and is electrically connected with the antenna body, and the tuning circuit dynamically adjusts the impedance of the active antenna. Quality detection of antenna products is facilitated, debugging development time is shortened, antenna size is reduced, and antenna efficiency is improved.

This invention discloses a high-frequency, high-speed circuit board for 5G communication, comprising: a circuit board formed by lamination, the circuit board including: multiple dielectric layers and line layers, the dielectric layers and line layers being arranged and laminated from bottom to top according to a certain order, thickness, and combination composition; the circuit board having vias for connecting the various line layers; the circuit board having mounting grooves, within which a shielding component is installed, and within the shielding component an antenna is installed, the high-frequency signal routing areas of the antenna being respectively located on two surface line layers; and the solder pads of the circuit board being surrounded by isolation pads. This achieves the protection of the high-frequency, high-speed characteristics of the circuit, while effectively improving antenna efficiency, reducing impedance abrupt changes in the circuit, and ensuring the overall strength of the circuit board.

The invention provides an IFA-based spurious coupling multi-band antenna and communication equipment. The IFA-based spurious coupling multi-band antenna comprises a base material and an antenna structure, the base material is provided with a feeding point, an antenna foot and a parasitic foot. The antenna structure comprises a connecting arm, a first radiation arm, a second radiation arm and a third radiation arm, wherein the connecting arm, the first radiation arm, the second radiation arm and the third radiation arm are all arranged on a base material; the connecting arm comprises a first connecting part and a second connecting part which are connected with each other. Compared with the prior art, the IFA-based parasitic coupling multi-frequency-band antenna has the advantages that through the multiple radiation arms and the two gaps, the antenna generates multiple resonances, the working frequency band is widened, the antenna efficiency is better, the low-frequency, intermediate-frequency and high-frequency working frequency bands can be covered, and multi-frequency-band full coverage is achieved; under the condition of not increasing the occupied internal space of the communication equipment, the working frequency band is wider, the space occupied by the antenna is very small, and the cost is reduced.

This invention relates to the field of communication technology, and particularly to a flexible screen terminal, an antenna adjustment method, and a storage medium. The flexible screen terminal includes: a first detection module, a second detection module, a control module, an adjustment module, and an antenna. The first detection module collects communication performance parameters of the terminal and sends the parameters to the control module. The control module controls the second detection module to collect the terminal's folding angle when it determines that the parameters do not meet preset service requirements. The second detection module also sends the folding angle to the control module. The control module further determines the target operating state of the antenna based on the folding angle and a preset correspondence between the folding angle and the antenna's optimal operating state. The adjustment module adjusts the antenna's operating state to the target operating state. This invention aims to ensure that the flexible screen terminal's antenna is in its optimal operating state, improve antenna efficiency, thereby enhancing the terminal's communication performance and meeting user service needs.

The invention relates to an ultra-low profile antenna module and electronic equipment. The ultra-low profile antenna module comprises a dielectric plate; the radiation assembly comprises a plurality of radiation units, each radiation unit comprises a plurality of radiation bodies, corresponding coupling paths are arranged between the radiation bodies, and the radiation assembly is provided with a first main coupling path comprising K cascaded magnetic coupling paths and a second main coupling path comprising K cascaded electric coupling paths, the coupling strength difference between the first main coupling path and the second main coupling path is smaller than a preset value; the metal floor and the plurality of short-circuit metal columns are used for realizing electric connection between the radiation assembly and the metal floor; and the plurality of feed metal columns are electrically connected to the corresponding radiation units of the radiation assembly and penetrate through the dielectric plate and the insulation isolation holes formed in the metal floor. According to the embodiment of the invention, the isolation between the radiation units in the radiation assembly can be improved, the antenna efficiency is improved, and the ultra-low-profile antenna module has the characteristic of compact structure.

The present specification provides a satellite communication antenna and electronic equipment, the antenna comprises a first radiation branch and a parasitic unit, the parasitic unit is a ring branch, and at least part of the branch is close to the first radiation branch and is coupled, and the parasitic unit is connected to the ground through at least one ground point.The satellite communication antenna of the embodiment of the present specification forms circular polarization by using the coupling effect of the parasitic unit, greatly improves the antenna gain compared with linear polarization satellite antenna, and improves the actual experience of satellite communication.And the radiation direction of the satellite communication antenna is mainly towards the zenith region, so that the antenna efficiency is higher, the satellite searching and communication efficiency in the state of user handheld mobile phone is improved, and the user experience is improved.

Embodiments of the present application provide an antenna assembly and an electronic device, aiming at solving the problem that the antenna assembly exhibits poor antenna efficiency due to a pronounced dip in an antenna efficiency curve of the antenna assembly. The antenna assembly comprises: a floating stub, wherein the floating stub has a first open end and a second open end which are arranged opposite to each other, a feed point is further provided on the floating stub, and the feed point is located between the first open end and the second open end; and a matching circuit coupled to the feed point, wherein the matching circuit is configured to feed the feed point, so that the antenna assembly generates a first resonance and a second resonance, and the matching circuit comprises a first matching capacitor, wherein one end of the first matching capacitor is coupled to the feed point, and the other end of the first matching capacitor is configured to be grounded. The floating stub is weakly grounded by means of the first matching capacitor, so that a dip in an antenna efficiency curve is eliminated at the first resonance and the second resonance, thereby improving the communication performance of the antenna assembly.

The invention provides an antenna assembly and electronic equipment. The antenna assembly comprises a ground pole, a first antenna and a second antenna. The earth pole comprises a first edge, a second edge and a third edge which are sequentially connected in a bent mode, the third edge and the first edge are arranged in a back-to-back mode, and the length of the first edge and the length of the third edge are both larger than that of the second edge; the first antenna comprises a first radiating body and a first feed source, the first radiating body is provided with a first feeding point, the first radiating body is arranged corresponding to the first edge, and the first feed source is electrically connected to the first feeding point to excite the first radiating body to support a target frequency band; the second antenna comprises a second radiating body and a second feed source, the second radiating body is provided with a second feeding point, the second radiating body is arranged corresponding to the third side, and the second feed source is electrically connected to the second radiating body to excite the second radiating body to support the target frequency band. The antenna assembly provided by the invention is relatively high in antenna efficiency in the target frequency band.

The utility model provides a resonant cavity antenna for mobile equipment and the mobile equipment. The resonant cavity antenna for the mobile equipment comprises a metal shell, a feed end and a grounding part, the metal shell is used for forming a resonant cavity with a mainboard of the mobile equipment and is electrically connected with the ground end of the mainboard of the mobile equipment; the feed end is connected with the metal shell; the grounding part is used for being connected with a screen protection metal plate of the mobile device, the grounding part is arranged on the face, away from the metal bottom plate, of the metal shell, and the distance between the grounding part and the edge, close to the feed end, of the metal shell is 1 / 4-1 / 2 of the resonant wavelength. The resonant cavity antenna for the mobile equipment is clear in resonant area, is suitable for the mobile equipment with an all-metal machine body, is small in occupied space, can realize certain antenna clearance, and is favorable for improving the efficiency of the antenna.

The application relates to the technical field of wearable antennas, in particular to a metal frame smart watch antenna based on a double-feed technology, which comprises a metal frame, a metal ground plate, a parasitic metal, a first feed port, a second feed port, a feed source, a power divider and a phase shifter; the feed source forms two feed paths through the power divider, one of which feeds into the first feed port, and the other feeds into the second feed port through the phase shifter. The antenna can be configured to connect a slot antenna to the first feed port and connect a patch antenna to the second feed port so that the two antennas work simultaneously, or configured to connect the two feed ports to the same patch antenna so that the patch antenna generates a double mode. The scheme is favorable for improving the low-frequency antenna efficiency, improving the bandwidth performance, and realizing double-feed work under the condition of a single excitation source.

The invention relates to the technical field of wireless communication. The invention discloses an extensible transmitting antenna device for through-the-earth communication, which comprises a plurality of transmitting antenna units which are of an annular structure; the self-adaptive adjusting devices are connected with the transmitting antenna units in a one-to-one correspondence manner; the transmitter is respectively connected with the plurality of self-adaptive adjusting devices; wherein the plurality of transmitting antenna units form an axially parallel antenna array. Through the structure, the radiation power and the antenna efficiency of the antenna array are greatly improved, the through-the-earth communication distance is effectively prolonged, the communication requirement of a deep mine is met, and miniaturization, expandability and high performance of the through-the-earth communication antenna are achieved.

This disclosure relates to an antenna structure, a mid-frame, and an electronic device. The antenna structure includes a first stub and a second stub. The first stub has a feed point. A gap is provided between the second stub and the first stub. The gap between the feed point and the gap includes a first segment. The second stub has a first tuning circuit. The first tuning circuit is used to adjust the length of the second stub used for radiation. The gap between the first tuning circuit and the gap includes a second segment. When the antenna structure operates in a first frequency band, the second segment acts as a parasitic stub of the first segment to excite the eigenmode of the first frequency band. By adjusting the length of the second stub used for radiation through the first tuning circuit, the second segment acts as a parasitic stub of the first stub, thereby enhancing the radiation performance of the first frequency band and improving antenna efficiency. Simultaneously, adjusting the length of the second stub involved in radiation through the first tuning circuit can also take into account the radiation performance of other frequency bands.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may select a first transmit power level associated with a first expected radiation power from antenna(s) of the UE. Selection of the first transmit power level is based at least in part on the first expected radiation power complying with a specific absorption rate (SAR) threshold. The UE may increase the first transmit power level to a second transmit power level associated with a second expected radiation power from the antenna(s) of the UE. The increase to the second transmit power level is based on application of an antenna efficiency metric associated with the antenna(s) of the UE to the second expected radiation power to determine a reduced expected radiation power. The UE may perform transmission(s) from the antenna(s) at the second transmit power level based on the reduced expected radiation power satisfying the SAR threshold.

The invention discloses a directional diagram reconfigurable circular polarization array antenna, which comprises a plurality of antenna units distributed according to a matrix rule, and is characterized in that each antenna unit comprises a radiation patch, a first metal floor, a first direct current bias circuit, a second direct current bias circuit, a second metal floor and a 90-degree phase shifter which are sequentially arranged from top to bottom, wherein the radiation patch and the first metal floor are respectively etched on the upper surface and the lower surface of the first dielectric substrate, the first direct current bias circuit and the second direct current bias circuit are respectively etched on the upper surface and the lower surface of the second dielectric substrate, and the second metal floor and the 90-degree phase shifter are respectively etched on the upper surface and the lower surface of the third dielectric substrate. Pressing the three layers of dielectric substrates together by using two prepregs; the antenna has the advantages that antenna side lobes are reduced, and antenna efficiency is improved.

The application relates to an electronic device, which comprises a ground plate, a radiator, a feed source and a radiation accessory. The radiator is arranged on one side of the ground plate and connected with the ground plate. The feed source is electrically connected with the radiator and used for feeding current to the radiator so that the radiator radiates a target signal. The radiation accessory is detachably arranged on the side of the radiator away from the ground plate. The radiation accessory is used for radiating under the excitation of the radiator to enhance the radiation efficiency of the target signal in a preset direction. The radiation accessory is an effective complementary accessory of the electronic device and is detachably arranged on the side of the radiator away from the ground plate. Under the excitation of the radiator, the overall antenna efficiency of the electronic device is effectively increased, the communication range of the electronic device is farther, and the communication data rate is faster.

The utility model provides an antenna of an internet of things device and the internet of things device. The antenna of the internet of things device comprises a feed end, a steel sheet radiator and a grounding end which are connected in sequence. The feed end is used for being connected with a PCB (Printed Circuit Board); the grounding end is used for being connected with a PCB (Printed Circuit Board); the two ends of the steel sheet radiator are vertically connected to the feed end and the grounding end respectively. The antenna of the Internet of Things equipment provided by the utility model can be arranged inside the Internet of Things equipment, the space structure is fully utilized, the antenna is used under the condition that the internal clearance of the Internet of Things equipment is limited, and the steel sheet radiator is arranged far away from the PCB, so that the antenna is far away from the interference of the PCB and the efficiency of the antenna is improved.

The invention provides an antenna, communication equipment and a communication system, relates to the technical field of communication, and aims to solve the problem of poor antenna network performance. The antenna provided by the invention comprises an antenna cover, a reflecting plate and a rotating mechanism, the reflecting plate is located in the antenna housing, one plate surface of the reflecting plate is provided with a radiation array, and the radiation array comprises a plurality of radiation oscillators; and the rotating mechanism is connected between the antenna housing and the reflecting plate and is used for driving the reflecting plate to rotate so as to change the pitching angle of the reflecting plate. According to the antenna provided by the invention, the rotating mechanism is used for effectively installing the reflecting plate in the antenna housing and can enable the reflecting plate to adjust the pitching angle, and meanwhile, the radiation oscillator fixed on the reflecting surface can act along with the reflecting plate, so that the wave beam of the radiation array can be adjusted in the pitching direction, and the antenna efficiency is improved. Therefore, the horizontal beam width of the radiation array is changed, and the network performance of the antenna is effectively optimized.

The present disclosure discloses an earphone, relating to the technical field of electronic devices. The earphone comprises an antenna assembly and a capacitive detection component disposed within a radiation range of the antenna assembly. The capacitive detection component is configured to generate an electrical signal based on whether a user is wearing the earphone or whether the user performs a touch action. The capacitive detection component includes a detection electrode layer and a reference electrode layer stacked together. At least one of the detection electrode layer or the reference electrode layer includes a serpentine trace, and at least a portion of the serpentine trace is disposed in an overlapping region of the detection electrode layer and the reference electrode layer in a stacking direction. The present disclosure provides an improvement to the capacitive detection module, reducing its impact on the antenna assembly and enhancing antenna efficiency.

The application discloses a method for improving EIRP efficiency of array-fed reflector antenna, and belongs to the field of array-fed reflector antenna. The method comprises the following steps: S1. randomly initializing a binary grass population; S2. evaluating the fitness of the grass; S3. breeding and diffusing the grass population based on a probability selection mechanism; S4. evaluating the fitness of the newly generated grass; S5. competitively excluding the grass population; S6. judging whether the maximum evolution number is reached, and outputting a final solution or returning to S3. The method improves the classical invasion grass algorithm, the breeding and diffusion of the grass population are no longer based on a normal distribution mechanism but based on a probability selection mechanism, the improved algorithm can be applied to the rapid optimization of binary variables, and the obtained feed array feeding power scheme can effectively improve the EIRP efficiency of the reflector antenna.

A notebook computer antenna module for carrier aggregation technology is disposed in a housing above a display of a notebook computer and includes a low frequency portion, an excitation portion, a high frequency portion, a triple frequency portion, a double frequency portion, and a carrier. The low frequency portion has a main path and a switching portion. The main path has a first end, a second end, and two ground segments, both of which are connected between the first end and a module ground, and the second end is floating. The switching portion is connected between the main path and the module ground, and the switching portion conducts one of a plurality of ground paths to change the equivalent ground length of the low frequency portion. The high frequency portion is connected above the excitation portion. The triple frequency portion is connected above the high frequency portion and coupled to the main path. The double frequency portion is connected to the module ground and coupled to the main path and the triple frequency portion. The main path of the low frequency portion obtains electromagnetic energy of the excitation portion by coupling the triple frequency portion. The present application reduces the impact on the antenna efficiency for 1710-2690 MHz when the equivalent ground length of the low frequency portion changes, to meet the carrier aggregation use.