Abstract: The embodiments disclose an antenna, an antenna array and a base station. The antenna includes two pairs of oscillator units that are orthogonal in polarization and have a same structure, each pair of oscillator units comprising a radiating portion and a feeding portion; the radiating portion includes a radiating substrate and two radiating bodies disposed on a surface of the radiating substrate; the radiating bodies are spaced apart from and symmetrical to each other, the feeding portion includes a feeding substrate, a ground disposed on a surface of one side of the feeding substrate and a microstrip disposed on a surface of the other side of the feeding substrate; the radiating substrate and the feeding substrate are perpendicular to and connected to each other, the ground is connected to the radiating bodies, and the microstrip line is spaced apart from and coupled to the radiating bodies.

Abstract: Provided is a linear motor, including a housing having a receiving space; a vibrator and a stator received therein; an elastic member suspending the vibrator in the housing; and a circuit board. The housing includes a bottom cover and a shell covering the bottom cover and enclosing the receiving space together with the bottom cover. The stator includes an iron core fixed in the housing, a yoke sleeved on the iron core, and first and second coils provided on two sides of the yoke. The second coil is provided between the yoke and the bottom cover. The circuit board is fixed to the bottom cover. The vibrator includes a magnet spaced apart from the stator. The iron core is provided with a groove formed by recessing inwardly from a surface thereof. A coil lead of the first coil passes through the groove to be electrically connected to the circuit board.

Abstract: A millimeter wave array antenna module and a mobile terminal are provided. The millimeter wave array antenna module includes a dielectric substrate, a radio frequency integrated circuit chip affixed to one side of the dielectric substrate, a plurality of antenna units arranged in an array and disposed on a side of the dielectric substrate facing away from the radio frequency integrated circuit chip, and a feeding network formed in the dielectric substrate. Each antenna unit is electrically connected to the radio frequency integrated circuit chip through the feeding network, and includes a substrate integrated waveguide and a patch antenna. The substrate integrated waveguide has a back cavity and the patch antenna is arranged in the back cavity and affixed to the substrate integrated waveguide.

Abstract: The present invention provides a MIMO antenna. The MIMO antenna includes a regular octagonal substrate and eight antenna components with a same structure arranged along eight edges of the regular octagonal substrate, and the eight antenna components are distributed in an annular array. The present disclosure further provides a terminal applying with the MIMO antenna. The eight antenna components in the MIMO antenna provided by the present disclosure are distributed in an annular array, so that an area occupied by the MIMO antenna in the terminal is greatly reduced; and moreover, the antenna components have good isolation therebetween and are simple in form, and the MIMO antenna has a higher bandwidth.

Abstract: The present application provides a speaker module, and the speaker module includes a housing having a receiving space and a speaker unit mounted in the receiving space. The speaker unit divides the receiving space into a front cavity and a rear cavity opposite to the front cavity. The speaker module further includes a sound absorbing cover received in the rear cavity and fixedly connected to the housing. A connecting surface of the housing to be connected to the sound absorbing cover is provided with a recess facing towards the sound absorbing cover. The recess is in communication with the rear cavity, and a surface of the sound absorbing cover facing towards the recess is an air-permeable surface. Compared with the related art, the speaker module provided by the present disclosure has better acoustic performance.

Abstract: The present disclosure provides an ultra-wideband multiple-input multiple-output (MIMO) antenna, including a printed circuit board (PCB) and four mirror-symmetrical antenna components having a same structure and disposed on the PCB. The PCB includes a system ground and a circuit region, and an orthographic projection of the antenna components on the PCB falls within the system ground. The radiation portion is disposed parallel to and separately from the PCB. The connection portion includes a first grounding pin, a second grounding pin, and an antenna feed point pin respectively extending from the radiation portion toward the PCB and disposed separately from each other, the first grounding pin and the second grounding pin are connected to the system ground, and the antenna feed point pin is connected to an external power supply. The present disclosure further provides a terminal. The ultra-wideband MIMO antenna and the terminal have good antenna performance.

Abstract: A speaker is provided. The speaker includes: a vibration unit; a magnetic circuit unit configured to drive the vibration unit to vibrate and emit sound, and a frame for fixing the magnetic circuit unit. The magnetic circuit unit includes a magnetic frame and a magnet received in the magnetic frame. The magnetic frame comprises a bottom wall connected to the magnet, a side wall formed by extending from the bottom wall while being bent towards the vibration unit, and a positioning boss formed by extending from an outer side of the side wall towards the frame. The positioning boss is positioned to abut against a surface of the frame facing away from the vibration unit. Compared with the related art, the speaker is more convenient in assembling.

Abstract: A speaker includes an upper housing; a lower housing assembled with the upper housing to define a receiving space; and a speaker unit received in the receiving space and including a diaphragm. The upper housing includes a top wall, a side wall extending from the top wall towards the lower housing, and a blocking wall extending from the top wall along a direction facing away from the top wall and spaced apart from the side wall. The blocking wall, side wall and top wall define a receiving portion receiving the speaker unit. A breathable spacer is provided at an end of the top wall and is spaced apart from the lower housing to form first sound absorbing cavity. A side of the blocking wall facing away from the speaker unit, the side wall and the lower housing define second sound absorbing sound cavity communicating with the second sound absorbing cavity.

Abstract: A mobile terminal includes a metal frame. The metal frame includes two corners provided diagonally, and two long frames and two short frames respectively connected to two ends of the two corners. The antenna system includes four millimeter wave antenna arrays attached to an inner surface of the metal frame. A circumferential side of each corner is respectively provided with two millimeter wave antenna arrays provided perpendicular to each other, and one of the millimeter wave antenna arrays is provided at an end of the long frame close to the connected corner while the other millimeter wave antenna array is provided at an end of the short frame close to the connected corner. Positions of the metal frame corresponding to the four millimeter wave antenna arrays are each provided with a radiation window.

Abstract: The present invention relates to a speaker having a frame, a magnetic circuit system and a vibrating system. The magnetic circuit system has a main magnet and an auxiliary magnet. The vibrating system has a vibrating diaphragm, a voice coil and a suspension with a first avoiding space. The auxiliary magnet is surrounding the main magnet and passed through the first avoiding space. The first avoiding space is positioned in the suspension so that the auxiliary magnet can be arranged around the main magnet, thereby enhancing the strength of the magnetic field of the magnetic circuit system, and ensuring uniform force on the vibrating diaphragm for improving BLX symmetry of the vibrating diaphragm.

Abstract: The present invention discloses a speaker, including: a vibration system; a magnetic circuit system; a frame fixing the vibration system and the magnetic circuit system, and a front cover covering the frame. The frame includes a number of hot-melt posts and a number of step parts arranged abutting against the hot-melt posts. The front cover includes a number of positioning holes matching the hot-melt posts and a number of positioning grooves matching the step parts and hollowed at a side of the front cover adjacent to the frame. The positioning holes are received in the positioning grooves; the step parts are accommodated in the positioning grooves; and the hot-melt posts pass through the positioning holes.

Abstract: The present invention provides a speaker box, which includes a housing with an accommodating space and a sound unit accommodated in the housing. The sound unit divides the accommodating space into a front cavity and a rear cavity. The housing is provided with a sound hole, the front cavity is communicated with the sound hole, the housing is provided with a baffle wall corresponding to the rear cavity, an air-permeable isolating member corresponding to the baffle wall is provided in the rear cavity, the baffle wall is matched with the air-permeable isolating member to separate a part from the rear cavity to form an independent cavity, and a sound absorbing material is filled in the independent cavity. The air-permeable isolating member is provided with a protrusion portion extending outwardly towards a direction away from the independent cavity.

Abstract: A sound generator is provided by the present disclosure. The sound generator includes a frame; a magnetic circuit system fixed by the frame; and a vibration system carried by the frame. The vibration system includes a diaphragm and a voice coil fixed below the diaphragm for driving the diaphragm to vibrate. The voice coil includes a pair of parallel long axis edges, a pair of parallel short axis edges connected with ends of the long axis edges. The diaphragm includes a through hole formed corresponding to the long shaft edge of the voice coil, and a glue part filled in the through hole for connecting the long shaft edge of the voice coil with the diaphragm.

Abstract: Provided is a speaker, including a holder, a vibration unit, and a magnetic circuit unit. The vibration unit includes a first diaphragm and a voice coil, and the voice coil includes a voice coil lead wire. A centering support is sandwiched between the first diaphragm and the voice coil, and includes a first pad portion. The magnetic circuit unit has a recessed portion formed at a position corresponding to the first pad portion. In the speaker provided by the present disclosure, the magnetic circuit unit is provided with the recessed portion to increase the distance between the magnetic circuit unit and the first pads, so that the vibration amplitude of the voice coil can be increased, thereby improving the acoustic performance of the speaker, and providing operating space for the subsequent welding process.

Abstract: A sounding device includes a shell, a vibrating system and a driving unit. The vibrating system includes a vibrating diaphragm, a magnetic vibrating plate, and a transmission piece. The magnetic vibrating plate includes a fixing portion fixed on the shell and a body portion bent and extended from the fixing portion and arranged oppositely to the vibrating diaphragm. The driving unit includes a coil and a magnet portion fixed relatively to the shell. The coil winds on the body portion, and an orthographic projection of the magnet portion falls onto the body portion and is close to the transmission piece, the magnet portion and the body portion are arranged separately. At least two magnetic vibrating plates respectively drive different positions of the vibrating diaphragm, and the magnetic vibrating plates correspond to the driving units one by one.

Abstract: The present disclosure provides a sound device, comprising a frame and a front cover disposed on the frame by covering the frame, wherein the frame extends towards the front cover to form an ironing spot column, the front cover comprises a body portion disposed on the frame by covering the frame and a positioning hole penetrated through the body portion and fitted with the positioning hole, the ironing spot column is inserted in the positioning hole, wherein the ironing spot column comprises a column main body and a glue receiving groove formed by recessing from an outer surface of the column main body towards inside of the column main body; the column main body passes through the positioning hole so that the glue receiving groove is in communication with the positioning hole, and the glue receiving groove is filled with glue.

Abstract: An embodiment of the present invention provides a sound generator having a frame; a magnetic circuit system fixed to the frame, and a vibration system. The magnetic circuit system includes a main magnet and an auxiliary magnet surrounding the main magnetic. The vibration system includes a vibrating diaphragm having a first vibrating diaphragm, a second vibrating diaphragm, and a dome for connecting the first vibrating diaphragm to the second vibrating diaphragm. A gap is formed between the auxiliary magnet and the frame. The dome has a body part, two first extension parts, and two second extension parts. The first extension part is located within the gap. Accordingly, the sound generator can solve the swing problem, and improve the low frequency performance.

Abstract: An antenna system for a mobile terminal and a mobile terminal are provided. The antenna system includes a first antenna group, a second antenna group and a third antenna group distributed on a housing, where the first antenna group includes a plurality of first antennas, the second antenna group includes a plurality of second antennas, the third antenna group includes a plurality of third antennas, the first antennas operates at a 4G band, the second antennas operates at a Sub 6G band, and the third antennas operates at a 5G millimeter-wave band. According to the antenna system of the present disclosure, the mobile terminal applying the antenna system can realize 4G and 5G mobile communications at the same time, and have multiple signal transmission modes and improve the signal transmission efficiency.

Abstract: A terminal and a method for controlling a stereo sound effect thereof are provided. The terminal includes at least two speakers, and the method includes: presetting a relationship between an angle and a sound effect, the relationship represents a sound effect of each speaker at each corresponding angle value; acquiring, in real time, an angle value of an orientation of a screen of the terminal; and after acquiring the angle value, acquiring the a sound effect of each speaker at the angle value according to the relationship of each speaker, and controlling each speaker to play according to the corresponding sound effect. Mo matter how the terminal rotates, the sound effect played at the same angle value is kept unchanged, so that the terminal can show the consistent stereo sound effect at different angle values.

Abstract: A speaker of the present invention arranges the grooves on the dome, which forms a leakage passage that helpful for the air current to circulate between the grooves and the voice coil, and therefore, the air current in the voice coil can timely circulate through the leakage passage between the voice coil and the dome. The inner and outer air pressure difference of the voice coil can be effectively decreased after the amplitude of the vibrating system increases, and the influence on the performance of the speaker imposed by the unbalance of the inner and outer air pressures of the voice coil is avoided.