187 results about "Antenna efficiency" patented technology

Antenna systems with beam tracking and scanning ability are described. The antenna systems include one or more reflectors and one or more feeds. The tracked or scanned beam(s) are produced by moving the feed(s) while the reflector(s) is kept static. This greatly reduces the complexity of the antenna beam tracking and scanning mechanism, while providing the highest possible antenna efficiency and gain in a wide angular range. Multiple beams and / or switched beams can also be achieved using multiple feeds and / or switches.

The embodiment of the invention provides a mainboard assembly and electronic equipment, and aims to solve the problem that the efficiency of an antenna is low, in the electronic equipment, a middle frame is at least partially arranged between a battery and a first radiator, the middle frame is provided with a window, the first radiator covers at least part of the window, clearance is provided for a first antenna through the arranged window, and the efficiency of the antenna is improved. Or the partial thickness of the middle frame provides the clearance of the first antenna, so that the gain of the first antenna is improved.

An electronic device includes a housing, a feed network, and a circuit board. The shell is provided with an accommodating cavity, and a feed column and a grounding column are integrally formed on the accommodating cavity. And the feed network is connected with the feed column and is used for feeding the accommodating cavity. The grounding end of the circuit board is connected with the grounding column and used for releasing static electricity on the containing cavity. In the application, at least part of the area of the accommodating cavity on the electronic equipment is multiplexed as the radiator, so that the occupation of the space in the electronic equipment can be reduced to a great extent, and meanwhile, good antenna efficiency can be obtained. Wherein the feed column and the grounding column can be integrally formed in the processing and manufacturing process of the accommodating cavity, so that the continuity of the structure can be ensured, and the situation that connection gaps are generated among the accommodating cavity, the feed column and the grounding column to influence the distribution of antenna resonance is avoided. In addition, the grounding column on the accommodating cavity is connected with the grounding end on the circuit board, so that static electricity on the accommodating cavity can be timely conducted to the grounding end of the circuit board through the grounding column to be released.

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.

The invention provides an antenna assembly and electronic equipment. The antenna assembly is applied to the electronic equipment, the electronic equipment comprises a middle frame and a mainboard, and the antenna assembly comprises a feeding point, a first ground feeding point, a second ground feeding point and a radiator; the radiator comprises a first sub-radiator and a second sub-radiator, and the first sub-radiator and the second sub-radiator comprise a common branch knot; the first sub-radiator is connected between the feeding point and the first ground feeding point to form a first radiation loop; the second sub-radiator is connected between the feeding point and the second ground feeding point to form a second radiation loop; the first radiation loop is used for transmitting or receiving a signal of an intermediate frequency band, and the second radiation loop is used for transmitting or receiving a signal of a low frequency band and / or a high frequency band. Therefore, the antenna assembly has good antenna efficiency in a small clearance space.

The utility model relates to the technical field of communication, specifically provides an antenna assembly, and aims to solve the problem that a GNSS antenna in the prior art cannot increase the bandwidth of the antenna and improve the anti-interference capability on the premise of meeting the requirement of a limited space. For this purpose, the antenna assembly of the utility model comprises: a circuit board; the radiation unit is arranged on the top side of the circuit board and is electrically connected with the circuit board; and the parasitic director comprises a parasitic element and a director element, the parasitic element is arranged around the radiation unit, the director element is arranged on the top side of the radiation unit, and the parasitic element is electrically connected with the circuit board. By arranging the parasitic element around the radiation unit and arranging the guide element at the top side of the radiation unit, the bandwidth of the antenna assembly is expanded, the antenna assembly is not easy to generate frequency offset in a complex metal environment, the front-to-back ratio of the antenna is also improved, the back radiation of the antenna assembly is reduced, and the antenna efficiency is improved. The purpose of improving the anti-interference capability of the antenna assembly on the premise of the limited space requirement is achieved.

The present application relates to the technical field of electronics. Provided are an antenna control method, and a control module, a radio-frequency front-end module and a product. The method comprises: acquiring the current operating state of a satellite communication system; and if the current operating state is in an idle time slot, controlling a positioning antenna to be in a tuning state, and controlling a satellite antenna to be in a short-circuit state. By means of the method, the antenna efficiency of a positioning antenna cannot be affected by a satellite antenna during satellite communication, thereby ensuring the positioning precision during the satellite communication.

The utility model discloses a multi-frequency multi-port non-electrically tunable shaped antenna, comprising a reflecting plate and radiation units, the longitudinal direction of the reflecting plate is sequentially provided with a middle-broadband radio frequency unit installation area and a high-frequency radio frequency unit installation area, and the radiation units comprise a plurality of first radiation units and a plurality of second radiation units. The plurality of first radiation units are arranged in the medium-broadband radio frequency unit installation area side by side, the plurality of second radiation units are arranged in the high-frequency radio frequency unit installation area side by side, each second radiation unit comprises a plurality of second radiation subunits, and the plurality of second radiation subunits of each second radiation unit are arranged in an area array. And each second radiation unit is also in coupled connection with a filtering characteristic feed network board and a corresponding radio frequency connector, wherein the filtering characteristic feed network board is arranged on the other side, deviating from the second radiation unit, of the reflecting plate. According to the invention, it is preferentially ensured that the antenna is specifically suitable for venues, the antenna efficiency is high, and the antenna has higher performance and higher commercial value.

A frame comprises a top edge, a first side edge, a bottom edge and a second side edge which are sequentially connected end to end, the top edge and the bottom edge are oppositely arranged, and the first side edge and the second side edge are oppositely arranged; at least part of the first Wi-Fi antenna unit is arranged at the position, close to the top edge, of the first side edge; the second Wi-Fi antenna unit is arranged in the area, close to the top edge, of the second side edge, and the second Wi-Fi antenna unit is located outside the horizontal screen holding area and the vertical screen holding area on the second side edge, so that the Wi-Fi signal quality of the electronic equipment in the horizontal screen holding scene and the vertical screen holding scene is improved. The invention provides the electronic equipment compatible with the efficiency, the antenna number and the limited space of the antenna in various holding scenes.

The present invention discloses a broadband dual-polarized slot hollow waveguide antenna, which includes a radiation slot layer, an H-polarization full-common-feed feeding network, an orthogonal mode separation layer, and a V-polarization full-common-feed feeding network stacked from top to bottom. The V-polarization full-common-feed feeding network adopts a bottom-feed feeding method to excite the radiation slot layer to generate vertically polarized waves. The H-polarization full-common-feed feeding network adopts a side-feed feeding method to cause the radiation slot layer to generate horizontally polarized waves. The orthogonal mode separation layer is designed based on a double-ridge rectangular waveguide cavity. The radiation slot layer is used to generate vertically polarized waves under the excitation of the V-polarization full-common-feed feeding network and horizontally polarized waves under the excitation of the H-polarization full-common-feed feeding network, and synthesize the vertically polarized waves and the horizontally polarized waves into cross-polarized waves and radiate them into free space. The advantages are that while having a relatively wide impedance bandwidth, the grating lobe level will not deteriorate significantly, and it has a high antenna efficiency and a high cross-polarization (XPD).

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 present invention discloses a chip packaging structure and a packaging method thereof, belonging to the field of semiconductor packaging technology. A dielectric layer I (310) is arranged on the front of a supporting substrate (100), and a portion of the upper surface of the dielectric layer I (310) sequentially covers a bump bottom metal layer I (410), a dielectric layer II (320), a bump bottom metal II (420), a dielectric layer III (330), a bump bottom metal III (440) and a dielectric layer IV (340); at the same time, an antenna circuit chip (510) is arranged in the center of the dielectric layer I (310), and the bump bottom metal III (440) selectively connects the antenna circuit chip (510) and the bump bottom metal II (420). The packaging method of the present invention reduces the area of ​​the circuit board occupied by the antenna, improves the integration performance of the antenna packaging structure and the antenna efficiency, and reduces the power consumption of the antenna packaging structure.

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 invention belongs to the technical field of antennas and microwaves, and discloses an antenna housing integrated array antenna unit and system. The antenna unit comprises a main shell, a parasitic patch layer, an auxiliary shell, a main patch layer, a printed board feed layer, a reflection bottom plate, a radio frequency coaxial connector and screws. According to the antenna unit, broadband wide-angle scanning can be realized through slot coupling and parasitic patch loading; according to the invention, current transmission is destroyed or resonance is caused by slotting and the like, and second and third harmonics are inhibited; by designing the shape of the patch, the link loss can be reduced, and the antenna efficiency is improved; the antenna array plane architecture of the traditional ground radar is that an antenna and an antenna housing are independently designed, and the antenna and the antenna housing are integrally designed, so that the link loss is reduced; the metal layer is plated inside the PPS medium, the PPS medium has characteristics, and the antenna material has a protection function and is good in environmental adaptability.

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.

A wireless radiation module with multiple miniaturized antennas receiving signals from multiple switchable feed points for enhanced frequency ranges includes a substrate, a radiation portion, and an active circuit. The radiation portion is spaced apart from a radiator. The radiation portion generates multiple radiation modes through coupling with the radiator, and signals are transmitted and / or received from the radiator. The active circuit is electrically connected to the radiation portion for switching between multiple radiation modes of the radiation portion. The wireless radiation module can operate in multiple radiation modes, and cover multiple frequency bands, to increase a bandwidth and have an improved antenna efficiency. The present disclosure also provides an electronic device with the wireless radiation module.

The invention relates to the technical field of expanded reality equipment, and provides an optical waveguide assembly and expanded reality equipment, the optical waveguide assembly is used for the expanded reality equipment, the expanded reality equipment comprises a mirror frame, the optical waveguide assembly is installed on the mirror frame, the optical waveguide assembly comprises an optical waveguide substrate, a cover plate and an antenna, and the cover plate is connected with the optical waveguide substrate. The antenna is arranged on the optical waveguide substrate and / or the cover plate. The antenna of the expanded reality equipment is mounted on the optical waveguide substrate or the cover plate of the optical waveguide component on the glasses frame and is far away from the circuit mainboard and other electronic elements in the glasses legs, so that electromagnetic interference from the circuit mainboard and other electronic elements is reduced, the stability of communication signal transmission is ensured, and the communication quality is improved. The signal gain and the antenna efficiency of the extended reality equipment are improved, the communication performance is optimized, and the use experience of a user is improved.

The invention relates to the technical field of electromagnetic fields, and discloses an antenna efficiency measuring device which comprises a measuring substrate and a carrying plate, a multi-dimensional measuring mechanism is arranged outside a supporting frame and comprises a multi-dimensional receiving frame, an adjusting rotating shaft, a probe, a laser calibrator and a rotating gear, and a distance adjusting mechanism is arranged outside a limiting plate. The distance adjusting mechanism comprises a distance adjusting motor, a total moving gear, a distance adjusting base, a third transmission gear, a distance adjusting threaded rod and a staggered transmission belt, the end, away from a buffering rotating shaft, of a buffering torsional spring is fixedly connected to the exterior of a threaded cylinder, a guiding wing is fixedly connected to the exterior of a carrying plate, a guiding groove is formed in the exterior of the guiding wing, and a carrying table is fixedly connected to the top of the carrying plate. According to the invention, through the above structure, measurement states can be converted, and in a process of adjusting a measurement distance, the antenna can be ensured to move slowly, and inclination of the antenna caused by inertia can be prevented.

An electronic device, comprising a housing, a feed network, and a circuit board. An accommodating cavity is provided on the housing, and a feed post and a ground post are integrally formed in the accommodating cavity. The feed network is connected to the feed post and is used for feeding power to the accommodating cavity. A ground end of the circuit board is connected to the ground post and is used for releasing static electricity on the accommodating cavity. In the present application, by reusing at least part of an area of the accommodating cavity on the electronic device as a radiator, the occupation of a space in the electronic device can be greatly reduced, and good antenna efficiency can be obtained. The feed post and the ground post can be integrally formed in the accommodating cavity during processing and manufacturing, thereby ensuring the continuity of a structure, and avoiding generation of connection gaps between the accommodating cavity, the feed post, and the ground post that affects the distribution of antenna resonance. In addition, by connecting the ground post on the accommodating cavity with the ground end on the circuit board, the static electricity on the accommodating cavity can be conducted to the ground end of the circuit board by means of the ground post in a timely manner and released.

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.

The application discloses an antenna structure and smart wearing glasses, relates to the technical field of antennas, and discloses an antenna structure which is applied to smart wearing glasses. The smart wearing glasses comprise a frame, and the antenna structure comprises a carrier, a first side surface and a second side surface of the carrier are oppositely arranged, the first side surface is fixed to the frame, a first branch device is arranged on the second side surface, and a second branch device is arranged on the second side surface and is arranged at intervals between the first branch device and the second branch device. In a symmetrical dipole mode, the first branch device and the second branch device are two different antenna array arms respectively. In a monopole mode, the second branch device is an antenna ground, and the first branch device is an antenna array arm. The application can improve the antenna efficiency of the smart wearing glasses.

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.

The present invention discloses a method for designing a large-aperture reflector antenna with high efficiency and low cost, and belongs to the field of antenna technology. The present invention comprises: constructing an initialization model of the antenna; establishing an antenna efficiency calculation model in combination with the actual coverage area and surface accuracy of the mesh panel and the solid panel; estimating the antenna processing and construction cost based on engineering experience; constructing an optimization objective function based on the antenna efficiency and the antenna processing and construction cost, and finding the optimal design of the antenna by global optimization. The present invention is used to design a large-aperture reflector antenna that combines a mesh panel and a full solid panel, and by controlling the respective coverage areas of the mesh panel and the full solid panel, the high efficiency and low cost of the large-aperture reflector antenna can be achieved.

The invention relates to the technical field of communication, provides a communication method and device, terminal equipment, a readable storage medium and a chip, and solves the problem of low antenna efficiency of the terminal equipment in the direction of relatively poor antenna gain in the prior art. The method is applied to a terminal device, the terminal device resides in a first cell through an antenna, and the method comprises the following steps: using an antenna corresponding to a first antenna pattern to communicate with an access network device corresponding to the first cell; and when a preset condition is satisfied, an antenna corresponding to a second antenna pattern is used to communicate with the access network device, and the direction deviation between the orientation of a main lobe in the second antenna pattern and the optimal incoming wave direction of the first cell is in a preset range.

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.

The invention relates to an antenna, an antenna construction method, electronic equipment, a system and a vehicle, and the antenna comprises a rectangular metal carrier, the wide edge of which is provided with at least two series-connected four-side closed groove bodies along the longitudinal central axis; and the feed structure is bridged at the centers of the two side edges of the middle groove body. According to the technical scheme, the surface of the wide side of the rectangular metal carrier is provided with the series four-side closed groove body, and the center of the middle groove body is directly connected with the feed structure, so that the technical problem that a traditional waveguide slot antenna must pass through coupled feed and an additional impedance matching circuit is solved, and dual-frequency wide-beam directional radiation is realized; the sectional dimension of the metal carrier is optimized, the cost is reduced, and the working efficiency of the antenna is improved.