99 results about "Handset antennas" patented technology

The invention provides a defected ground-based broadband high-isolation MIMO (Multiple Input Multiple Output) mobile phone antenna. Each face-to-face inverted-F antenna pair is connected with an inverted-L branch knot; lumped capacitors are arranged at the joints of the radiation arms and the vertical lines where the feeding points are located; 2N linear slots are formed in the feeding points of the N dual-port antenna pairs on the edge of the metal ground; a T-shaped gap is formed in the middle position of the two antennas of each dual-port antenna pair; an antenna pair gap is formed between the two dual-port antenna pairs on the same side; the feed branch knot is printed in the linear slot, and the tail end of the feed branch knot is provided with a lumped capacitor. According to the invention, the distribution of floor current is changed through the T-shaped gap, and the decoupling characteristic of the MIMO mobile phone antenna is realized. By loading the inverted L branches on the inverted F antenna, introducing the coplanar waveguide structure and loading the lumped capacitor, the working bandwidth of the MIMO mobile phone antenna is effectively widened.

The invention discloses a mobile phone antenna based on an improved Huygens antenna, which is characterized in that a traditional Huygens antenna is placed at the top of a dielectric substrate, and the Huygens antennas on the two dielectric substrates are close to each other; modifying the shape of the metal grounding plate; when the included angle between the two dielectric substrates is 90 degrees, the antenna works in a dual polarization state, and when the included angle between the two dielectric substrates is 180 degrees, the antenna works in a linear polarization state. According to the mobile phone antenna, a traditional no-floor Huygens antenna is introduced into mobile phone antenna application, the metal grounding plate required by a mobile phone is added below the traditional no-floor Huygens antenna, and the metal grounding plate is modified, so that the terminal antenna has the advantages of high efficiency and low backward radiation, and the feed structure is more stable; and radiation energy is concentrated in the upper half space, so that the stability of communication connection between the mobile phone and the satellite is further enhanced, and the satellite communication experience of a user of the double-folding mobile phone is improved.

The invention discloses a wide-beam metal frame mobile phone antenna, which comprises a metal frame provided with a plurality of opening gaps and a plurality of short circuit columns, the metal frame is divided into a plurality of frame components to form monopole antennas, and at least parts of the monopole antennas are positioned on the same straight line. According to the wide-beam metal frame mobile phone antenna, the plurality of opening gaps are formed in the metal frame of the wide-beam metal frame mobile phone antenna, so that the plurality of monopole antennas are formed on the metal frame, the multi-element monopole antenna array is further formed, the beam width can be expanded, the radiation efficiency can be improved, and the effects of wide beam and high gain can be achieved; the metal frame serves as an outer frame of the intelligent terminal, can play a role in fixing and protecting the intelligent terminal, and also serves as a radiator of an antenna of the intelligent terminal, so that the radiation performance of the intelligent terminal is improved, extra space does not need to be occupied, and the compactness of the intelligent terminal is improved. The antenna can be widely applied to the technical field of terminal equipment antennas.

The invention discloses a mobile phone antenna rapid impedance matching optimization method based on a genetic algorithm, and the method comprises the following steps: S1, obtaining an initial parameter of a target antenna, constructing a multi-dimensional parameter space model, and mapping the multi-dimensional parameter space model into a parameter matrix; s2, defining a multi-band time sequence matching function, dynamically distributing matching weights according to time periods and use frequencies, and optimizing a band matching effect; s3, generating an initial solution set by using a quantum bit superposition state, expanding a solution space through quantum heuristic mutation operation, and setting a time sequence weight; s4, in the generation and evaluation solution set, finely adjusting the high-fitness solution by using a quantum bit phase adjustment mechanism to meet the key frequency band matching requirement; s5, adjusting matching parameters in real time based on a progressive environment feedback mechanism; s6, verifying parameter stability through a frequency band switching simulation test; and S7, applying the optimized parameters to the target antenna to realize adaptive impedance matching. According to the invention, the matching stability and dynamic adaptability of the antenna in multi-band switching are improved.

The invention relates to the technical field of mobile phone antennas, in particular to a mobile phone antenna and electronic equipment for exciting a floor characteristic mode based on a shunt feed technology, and the mobile phone antenna comprises a dielectric substrate, an antenna radiation metal patch on the outer side of the dielectric substrate, a metal floor arranged below the dielectric substrate, a low-frequency inverted-F antenna and a power divider, a first low-frequency feed port and a second low-frequency feed port are respectively arranged on corresponding radiation patches on two sides of the metal floor, and the two feed ports are simultaneously and electrically connected with an output end of the power divider through feeder lines, so that parallel feed of the low-frequency inverted-F antenna is realized, low-frequency characteristic modes of two long sides of the metal floor are simultaneously excited, and the low-frequency inverted-F antenna is formed. The low-frequency-band radiation efficiency is improved, the working bandwidth is expanded, and integration with a radio frequency circuit of the whole mobile phone can be completed only through a single excitation source.

The mobile phone antenna easy to disassemble and replace comprises a mobile phone body, an antenna and an antenna connector, the mobile phone connector is arranged on one side of the top of the interior of the mobile phone body, a slot is formed in one side of the top of the mobile phone body and corresponds to the mobile phone connector in a penetrating mode, the antenna is connected to the mobile phone connector in a pluggable mode, and the antenna is connected to the mobile phone connector in a pluggable mode. According to the utility model, the fixing groove is arranged at the outer side of the slot of the mobile phone main body and the antenna, the damping rotating shaft is arranged at the bottom of the fixing groove, the large rotating block is arranged at the top of the damping rotating shaft, and the sealing cover is arranged at the outer side of the large rotating block, so that water vapor and dust are blocked through the sealing cover after the antenna is detached and replaced and are prevented from entering the mobile phone main body; and in order to further block water vapor and dust, a second rubber sealing strip is arranged on the outer surface of the sealing cover, so that the sealing performance of the sealing cover is improved, and water vapor and dust can be better blocked.

The invention discloses a mobile phone antenna health intelligent management system, which belongs to the technical field of mobile phone antenna health management, and comprises a platform end and a user end, the user side comprises an antenna monitoring module, a monitoring feedback module and a health analysis module; the antenna monitoring module is used for monitoring the mobile phone antenna in real time to obtain monitoring information of the mobile phone antenna; the monitoring feedback module is used for performing data feedback analysis on the monitoring information, determining antenna feedback data sent to the platform end, and sending the antenna feedback data to the platform end; the health analysis module is used for performing health analysis on the mobile phone antenna according to the monitoring information and determining a health assessment result of the mobile phone antenna; the platform end comprises an antenna induction module; and the antenna induction module is used for carrying out induction analysis on the mobile phone antenna, receiving antenna feedback data sent by each user side in real time, setting an antenna performance spectrum of the corresponding mobile phone antenna according to the antenna feedback data, and sharing the antenna performance spectrum to the corresponding user side.

This invention belongs to the field of wireless communication technology and discloses a dual inverted "L" broadband low-coupling MIMO mobile phone antenna based on a parasitic grounded stub. This invention proposes a novel antenna structure. This design effectively solves the contradiction between broadband performance and high isolation while maintaining a simple and compact structure. The decoupling and broadband principle of this invention is as follows: an inverted L-shaped parasitic grounded stub with a bent end is introduced below the inner side of the radiating arm. This stub can generate a new coupling path, and the reverse current induced in it exactly cancels the coupling current received by the main radiating arm, achieving decoupling between ports. By slotting on the horizontal arm of the inverted L-shaped radiating stub, a new resonant point is generated in the antenna, effectively widening the antenna's operating bandwidth.

The utility model, which relates to the technical field of the length-adjustable mobile phone antenna, discloses a length-adjustable mobile phone antenna comprising a connecting assembly, a rotating assembly and a receiving assembly. The connecting assembly comprises a connecting block, a groove is formed in one side of the connecting block, and a thread is formed in one side of the connecting block; the rotating assembly comprises a fixed block, a rotating ball is arranged on one side of the fixed block, and a movable rod is arranged on one side of the fixed block; the receiving assembly comprises a movable block, one side of the movable block is provided with a circular groove, one side of the movable block is provided with an adjustable antenna, the length of the adjustable antenna can be adjusted according to needs to receive signals, one side of the connecting block is provided with a rotating ball, and the rotating ball is rotatably connected with the connecting block. And the angle of the fixed block connected with the fixed block can be adjusted without being limited to a fixed position.

The utility model discloses a mobile phone antenna convenient to assemble, which comprises a mobile phone rear cover, an antenna body is arranged on one side of the top end of the mobile phone rear cover, a positioning arc edge matched with the mobile phone rear cover is arranged on the edge of one side above the antenna body, and four arc-shaped clamping edges are arranged on the upper outer side and the lower outer side of the middle end of the antenna body. The antenna body is provided with four sleeving holes, the edge of one side of the mobile phone rear cover is provided with limiting columns and sleeving columns which are matched with the arc-shaped clamping edges and the sleeving holes, and the posture of the antenna body can be effectively limited and fixed through the limiting columns and the sleeving columns, so that the antenna is prevented from moving during assembly; the multi-point limiting device has the actual using effect of multi-point limiting, attitude positioning can be effectively conducted on the antenna, inclined movement is avoided, therefore, the position accuracy during antenna assembling can be effectively improved, position deviation during antenna assembling can be prevented, the overall quality and efficiency of antenna assembling can be effectively improved during actual assembling operation, and the assembling efficiency of the antenna can be effectively improved. And a good actual use effect is achieved.

This utility model relates to the field of mobile phone antenna technology, and provides a foldable mobile phone antenna, including a mobile phone body and a reserved slot; the reserved slot is provided on one side of the mobile phone body, and a folding structure is provided inside the reserved slot; a protective structure is hinged to one side of the mobile phone body. This utility model, by providing a folding structure, allows the foldable antenna to be rotatably connected inside a rotating rod, and the rotating rod to be rotatably connected inside the reserved slot. When the mobile phone antenna is in use or stored, the limiting rod moves to one side of the rotating rod by the pushing force of a return spring, thereby blocking and limiting the rotating rod. This prevents the rotating rod from easily shifting its position inside the reserved slot, thus achieving the purpose of facilitating the folding and use of the mobile phone antenna.

The utility model provides a loop antenna and a mobile terminal, the loop antenna comprises a first radiation unit, a second radiation unit, a feed component and a grounding component, the first radiation unit surrounds the feed component and is electrically connected with the feed component, and the second radiation unit is electrically connected with the grounding component. The second radiation unit surrounds the grounding part and is electrically connected with the grounding part; the first radiation unit is connected with the second radiation unit, the first radiation unit is provided with a first slot, the second radiation unit is provided with a second slot, the first slot and the second slot are communicated with each other, and a gap is formed between the first radiation unit and the second radiation unit. According to the loop antenna, the overall performance of the antenna can be effectively improved, the loop antenna can realize coverage of multiple frequency bands in a limited space by adopting a specific structural design, and meanwhile, stable carrier aggregation performance is kept; therefore, the problem that the existing mobile phone antenna design is difficult to meet the high requirement of the North America market on carrier aggregation is solved.

The invention discloses an MIMO mobile phone antenna adaptive tuning method based on reinforcement learning. The MIMO mobile phone antenna adaptive tuning method comprises the following steps: collecting working parameters; performing fusion coding on the working parameter set to generate a feature vector containing historical state and time sequence information; calculating an action range boundary according to the working parameter set, and generating a boundary crossing detection rule and a rollback triggering condition; inputting the feature vector and the action range boundary into an improved diffusion strategy generation model, and generating a tuning action by using a hierarchical strategy network; detecting according to a border crossing detection rule and triggering rollback during border crossing to obtain a stable execution state; calculating a stability index, constructing a diversity-stability collaborative reward function, and updating the hierarchical strategy network; and generating a scene label, forming a key value pair index and storing the index, constructing a lightweight strategy and solidifying the lightweight strategy in a network distillation mode. According to the invention, adaptive tuning of the MIMO mobile phone antenna is realized.

The utility model discloses a mobile phone antenna with an anti-interference structure, which comprises an antenna body and a protective cover, one end of the side surface of the antenna body is fixedly connected with a mounting block, and one end of the side surface of the protective cover is fixedly connected with a mounting mechanism used for mounting the protective cover on the antenna body; through the protective cover, the mounting mechanism and the like, the mobile phone antenna can be prevented from being influenced by static electricity, interference of the static electricity to signals is avoided, the protective cover can be conveniently detached through the mounting mechanism, the protective cover can be detached without a professional tool, operation is easy, use is more convenient, and the mobile phone antenna is more practical. And the internal antenna is prevented from being damaged when the protective cover is disassembled.

The utility model provides a mobile phone middle frame and a smart phone. The mobile phone middle frame comprises a bottom plate, a frame and a heat-conducting sheet, the frame is connected to the periphery of the bottom plate, the frame is arranged around the bottom plate, the bottom plate is provided with a mounting groove and a hollow groove, the mounting groove is adjacent to the hollow groove, the mounting groove is used for placing a mobile phone mainboard, and the heat-conducting sheet is arranged in the hollow groove. The frame is provided with a mounting groove, the bottom plate is provided with a hollow-out groove, the heat conducting sheet is located in the mounting groove and connected with the bottom plate, the hollow-out groove is used for a battery to penetrate through so that the battery can abut against a mobile phone metal rear shell, the inner side face of the frame is provided with a containing groove, the containing groove is used for containing an antenna, and an anti-shielding layer is formed on the groove wall of the containing groove. The mobile phone mainboard is abutted against the heat-conducting fin, so that heat is transferred to the bottom plate from the heat-conducting fin when the mobile phone mainboard works, the heat dissipation efficiency of the mobile phone mainboard is improved, the heat-conducting fin is simple in structure, the light and thin design of a mobile phone is facilitated, the mobile phone antenna is abutted against the anti-shielding layer, and the anti-shielding effect of the mobile phone middle frame is improved.

An embodiment of the present application provides an electronic device, which may include a mobile phone, a tablet computer, a laptop computer, an ultra-mobile personal computer (UMPC), a handheld computer, a walkie-talkie, a netbook, a POS machine, a personal digital assistant (PDA), a wearable device, a virtual reality device, a wireless USB flash drive, a Bluetooth speaker / earphone, or a mobile or fixed terminal with an antenna, and a plurality of first antennas are arranged in a first metal middle frame of the electronic device, and the plurality of first antennas are mounted on a carrier, and the carrier is mounted on the printed circuit board through a support member, so that the antenna setting of the electronic device is realized, and the problem of difficulty in setting the antenna of the existing folding screen mobile phone is solved.

The invention discloses dual-system terminal equipment based on antenna switching and a switching method of the dual-system terminal equipment. The dual-system terminal equipment comprises a shell, and an intelligent machine system, a function machine system, an antenna and a shared switching circuit are arranged in the shell; when the common switching circuit detects that the intelligent machine system works, the common switching circuit obtains a power supply from the intelligent machine system and connects the antenna to the intelligent machine system for intelligent communication; and when the common switching circuit detects that the power supply quantity of the intelligent machine system is lower than a threshold value, the common switching circuit obtains a power supply from the function machine system and switches the antenna to access the function machine system for function communication. The two systems share one antenna, the connection and communication modes of the antenna can be automatically switched according to whether the electric quantity of the intelligent machine system is enough or not, one antenna is reduced on the premise that normal work of the dual systems is ensured, the problem of antenna redundancy of an existing two-in-one mobile phone is solved, and the antenna reliability is improved. And the complexity of antenna position layout and electromagnetic compatibility design is greatly reduced.

The invention relates to the technical field of mobile communication antennas, and discloses a high-isolation broadband 5G mobile phone antenna which comprises an antenna body, one end of the antenna body is rotationally connected with a connecting piece, a knob is arranged at the end, away from the antenna body, of the connecting piece, and an auxiliary fixing assembly is arranged at the end, away from the connecting piece, of the knob. The lower end of the side face of the auxiliary fixing assembly is fixedly connected with a clamp, the end, away from the rotary knob, of the auxiliary fixing assembly is fixedly connected with a mobile phone insertion port, an inner cavity of the antenna body is hollow, a built-in antenna is movably inserted into the inner cavity of the mobile phone insertion port, and an antenna circuit board is fixedly connected into an inner cavity of the mobile phone insertion port. According to the device, the signal receiving and transmitting efficiency is enhanced through the spiral built-in antenna and a movable insertion mode, interference is reduced through the isolation sleeve, high isolation and wide bandwidth performance are achieved, meanwhile, flexible installation and disassembly are facilitated through the detachable design, stable fixation is ensured through cooperative work of the rotary extrusion block and the fixing piece, and the communication stability and flexibility are improved.

The invention discloses an 8 * 8 ultra-wideband MIMO (Multiple Input Multiple Output) mobile phone antenna, and relates to the technical field of ultra-wideband. The two groups of antenna array elements correspond to each other, the antenna array elements are located on the substrate, each group of antenna array elements comprises four signal pieces with the same specification, and the four signal pieces are arranged in a circumferential array; the signal piece excites the antenna in a coaxial line back feed mode. According to the 8 * 8 ultra-wideband MIMO mobile phone antenna, due to the fact that the antenna units are orthogonally placed and designed, under the condition that an extra decoupling structure is not introduced, the isolation degree reaches-15dB or below, the ECC is lower than 0.01, the-10dB bandwidth of the antenna reaches 3.3-5.9 GHz, full coverage of 5G and WLAN frequency bands is achieved, the comprehensive performance of the antenna is excellent, and the antenna can be widely applied to the field of mobile phones. The technical problem that an existing mobile phone antenna is complex in structure and poor in applicability when used is effectively solved.

The application discloses a kind of MIMO mobile phone antenna adaptive tuning methods based on reinforcement learning, comprising the following steps: acquisition operating parameter;Operating parameter set is fused and encoded, and the characteristic vector containing historical state and time series information is generated;According to operating parameter set, the action range boundary is calculated, and the out-of-bound detection rule and rollback trigger condition are generated;Characteristic vector and action range boundary are input into improved diffusion strategy generation model, and tuning action is generated using hierarchical policy network;According to the out-of-bound detection rule, detection is carried out and rollback is triggered when out-of-bound, to obtain stable execution state;Stability index is calculated and diversity-stability collaborative reward function is constructed, and hierarchical policy network is updated;Scene label is generated, key-value pair index is formed and stored, and lightweight strategy is constructed and solidified through network distillation method.The application realizes the adaptive tuning of MIMO mobile phone antenna.

The invention belongs to the technical field of wireless communication, and particularly discloses a three-frequency flexible metasurface applied to improving the performance of a mobile phone antenna in a pocket, the three-frequency flexible metasurface comprises a conductive layer, a dielectric layer and a backflow layer which are sequentially arranged, the conductive layer is composed of three-ring conductive patches in N rows and N columns, N is larger than or equal to 6, and each three-ring conductive patch comprises an outer ring, a middle ring and an inner ring. According to the invention, the three-frequency flexible metasurface design is adopted, and the same-phase superposition of a reflected wave and an incident wave is realized within the reflection phase bandwidth [-90 degrees, 90 degrees], so that the performance of the mobile phone antenna is improved.

The present disclosure relates to an ultrasonic surgical handpiece assembly comprising a surgical handpiece for use with an irrigation sleeve and ultrasonic tip. The surgical handpiece may comprise a piezoelectric transducer disposed within a housing and configured to manipulate the ultrasonic tip. One or more lumens and / or a flex circuit including an antenna may be disposed within the surgical handpiece housing. The lumen(s) may be configured to provide irrigation and / or aspiration to the irrigation sleeve and / or ultrasonic tip. The irrigation sleeve may comprise a second antenna configured to communicate with the ultrasonic handpiece antenna. The irrigation sleeve may further comprise and an alignment and / or coupling feature configured to removably secure the irrigation sleeve to the housing and orient the second antenna relative to the ultrasonic handpiece antenna. The irrigation sleeve may further comprise a lumen for supplying irrigation and / or aspiration to the ultrasonic tip.

The utility model discloses a multi-frequency mobile phone antenna installing and positioning mechanism which comprises a carrier plate, a fixing frame is installed on the top of the carrier plate, an air cylinder is installed in the middle of the bottom face of the fixing frame, an adsorption head is fixed to the bottom of the air cylinder, and meanwhile the adsorption head is used for adsorbing an antenna body. Transverse grooves are symmetrically formed in the front side and the rear side of the top of the carrying plate, clamping plates are slidably connected into the transverse grooves, and the clamping plates are used for positioning and fixing a mobile phone plate in the horizontal direction. Vertical grooves are formed in the opposite faces of the clamping plates, and pressing plates are slidably connected into the vertical grooves. When the multi-frequency mobile phone antenna mounting and positioning mechanism is used, the limiting plate limits the placement position of a mobile phone plate, then the mobile phone plate is limited and fixed in the horizontal direction through the clamping plate, and then the mobile phone plate is pressed in the vertical direction through the arrangement of the pressing plate, so that the mobile phone plate is positioned more stably, and the positioning accuracy is improved. And the later antenna installation quality can be improved.

The utility model provides a metal frame mobile phone antenna and a metal frame mobile phone. The metal frame mobile phone antenna comprises a metal frame, a first feed end, a second feed end, a third feed end and a filter module connecting end, the metal frame is provided with a first breaking joint and a second breaking joint, and the metal frame is divided by the first breaking joint and the second breaking joint to form an enclosing side frame and a radiation side frame; the first feed end, the second feed end and the third feed end are electrically connected with the radiation side frame in sequence; the filtering module connecting end is used for being connected with a grounding end through a filtering module on a mobile phone mainboard, and the filtering module connecting end is electrically connected with the radiation side frame. According to the mobile phone antenna with the metal frame provided by the utility model, the common branch antenna design on the metal frame is realized under the condition of not increasing breaking joints, the multi-antenna multi-band performance is realized, and the filtering module is utilized to filter high frequency so as to improve the antenna efficiency.

The invention discloses a multifunctional key control method, a terminal, a storage medium and a product, and relates to the technical field of intelligent terminals.The method comprises the steps that a preset application is entered in response to the intelligent terminal, and a multifunctional key is controlled to enter a corresponding key function mode; and in response to a preset operation instruction applied to the multifunctional key, enabling the preset application to execute a corresponding application operation. According to the application, the function of one key is expanded into multiple functions according to different APPs, so that a user can obtain more efficient, more convenient and more intelligent user experience when using the intelligent terminal; not only can design cost and production cost be saved, but also appearance design of intelligent terminals such as mobile phones and the like is facilitated, and a better environment is provided for mobile phone antenna design.

The utility model relates to mobile phone antenna technical field provides a 5G mobile phone antenna with anti -interference function, including mobile phone substrate, the outer wall of mobile phone substrate is installed with assembly mechanism, the assembly mechanism includes the assembly frame fixedly installed in one side of mobile phone substrate, the inside of assembly frame is opened with the slot, the inside of assembly frame is opened with the movable slot, the inner bottom wall of movable slot is opened with the guide groove, the inside movable connection of movable slot has the clamping block, the bottom fixed connection of clamping block has the guide block, the outer wall fixed connection of clamping block has the return spring, the inside installation of assembly frame has the antenna sheet. The utility model discloses through moving antenna sheet, makes it to butt joint and inserts into the slot inside the opening of assembly frame, makes the clamping block along the movable slot and enters the assembly frame, under the action of return spring, can make the one end of clamping block and insert into the clamping groove and carry out the location, plays the effect of being convenient for to the assembly connection of antenna sheet and mobile phone substrate.

The utility model discloses an auxiliary device for LDS antenna processing, and relates to the technical field of LDS antenna processing, the auxiliary device for LDS antenna processing comprises a reaction box, the reaction box is internally provided with an inner cavity, the outer bottom of the reaction box is provided with a first driving motor, the inner bottom of the reaction box is provided with a coupling, and the coupling is provided with a second driving motor. The coupler is located on an output shaft of the first driving motor, a stirring rod is installed at the top of the coupler, a plurality of sets of stirring blades are installed on the outer wall of the stirring rod and evenly distributed on the stirring rod, and electric heating wires are installed on the outer walls of the stirring blades in a winding mode. According to the scheme, the problems that in the using process of an existing chemical nickel plating device for LDS antenna machining, a stirring assembly is lacked, a plating solution cannot be evenly mixed, reaction is prone to being uneven, the uniformity and quality of a mobile phone LDS antenna plating layer are affected, meanwhile, the reaction speed is slowed down, and the production efficiency is affected are solved.

The utility model relates to the field of mobile phone antennas, in particular to an ultrathin full-screen mobile phone antenna, which comprises a substrate, a first connecting plate and a second connecting plate, the first connecting plate is mounted in the middle of the right of the substrate, the second connecting plate is mounted on the left lower side of the substrate, a first UAT is a GPS, a second UAT is an antenna Tuning port and affects a fourth UAT, a third UAT is a WLAN 5GHz frequency band antenna, and the fourth UAT is responsible for WLAN 2.4 GHz and Bluetooth. A tuning switch connection point is installed in the middle of the left side of the substrate, the antenna extends towards the two sides, the terminal bottom structure space design is fully utilized, the antenna space is utilized to the maximum extent, the tuning switch connection point and a tuning switch of the antenna are in RFC connection, different RF ports are switched in cooperation with the tuning switch, and the antenna is connected to the ground plane through a tuning device. Switching of different low-frequency BAND is achieved, and therefore the low-frequency multi-mode requirement is met.

This utility model relates to an antenna bracket, specifically a smartphone antenna bracket. The smartphone antenna bracket includes a support component and a limiting component disposed on the support component. The support component includes an outer frame with an antenna groove formed on its upper surface. The limiting component includes a support plate with a movable groove formed at the end of the support plate near the antenna groove. Mounting grooves are provided on both sides of the movable groove, and a rotating shaft is disposed within the movable groove. The two ends of the rotating shaft respectively enter the two mounting grooves, and a roller is fixed on the rotating shaft. A guide ring is fitted on the outer side of the roller, and a return spring and a positioning seat are provided at the end of the roller away from the rotating shaft. The two ends of the return spring are connected to the roller and the positioning seat respectively. This smartphone antenna bracket makes antenna assembly and disassembly very convenient, eliminating the need for disassembly of parts and making assembly and disassembly more efficient. Different positions on the outer frame can be reinforced using outer and inner folding plates.

The utility model discloses a mobile phone antenna testing device, which relates to the technical field of mobile phone testing, and is characterized in that four clamping blocks which are symmetrically distributed in pairs along the diagonal lines of a movable plate are arranged along the movable plate, so that a piece to be detected can be stably clamped at four corners; the to-be-detected piece is prevented from generating slight displacement when being in contact with the detection head, so that the condition of detection errors is avoided, and the detection effectiveness is improved; the four clamping blocks can be autonomously driven to be close to or far away from each other through the driving assembly, and compared with passive clamping through the elastic force action of a spring, the clamping effect is better and more stable; the movable plate and the to-be-detected piece clamped on the movable plate are driven by the lifting piece to ascend and descend at the same time so as to make contact with the detection head or be away from the detection head, the mass of the movable plate and the to-be-detected piece is small, no other components exist, energy consumption is small compared with driving of the detection head, energy consumption of the mobile phone antenna testing device is reduced, and the testing efficiency is improved. And the purpose of energy-saving detection can be achieved.