Abstract: The present disclosure provides an AOG antenna system and a mobile terminal. The AOG antenna system includes a 3D glass back cover and a main board arranged opposite to and spaced apart from the 3D glass back cover. The AOG antenna system includes: a metal antenna attached to a surface of the 3D glass back cover; and a packaged feeding module provided between the 3D glass back cover and the main board and electrically connected to the main board. The packaged feeding module corresponds to a position of the metal antenna and feeds the metal antenna with power by coupling.

Abstract: The present disclosure provides a millimeter wave array antenna architecture including six antenna arrays and an installation body for installing the six antenna arrays, the installation body being of a cuboid or a cube and the six antenna arrays being respectively disposed on six installation faces of the installation body. In the millimeter wave array antenna architecture in the present disclosure, due to the six antenna arrays' non-dead-spot full-space scanning on the installation faces of the installation body, areas with weak wave beam coverage on the installation body are reduced to the least, which is advantageous for ensuring an antenna coverage efficiency, thereby improving stability of the mobile communication system and a user's experience.

Abstract: The present invention provides a speaker, which includes a basket, a diaphragm fixed to the basket, and a voice coil located below the diaphragm and used for driving the diaphragm to vibrate and sound. The diaphragm includes a dome and a folded ring. The dome includes two first straight edges arranged oppositely and two second straight edges connected with the two first straight edges, the dome includes a central portion and an edge portion, the edge portion includes a first region arranged along the first straight edge and a second region arranged along the second straight edge, and both the first region and the second region are provided with an opening portion penetrating through the dome along a vibration direction.

Abstract: Embodiments of the present disclosure relate to the field of communications technologies, and disclose an antenna system and a mobile terminal. The antenna system is applied to the mobile terminal. The mobile terminal includes a metal frame and a metal middle frame accommodated in the metal frame and connected to the metal frame, and the antenna system includes at least one antenna group formed on the metal middle frame and the metal frame, and each antenna group includes a first antenna and a second antenna away from each other, where the first antenna and the second antenna are spaced away from each other along a circumferential direction of the metal frame. In the present disclosure, at least one antenna group is added to the terminal based on the original structure, ensuring that the terminal can satisfy a multi-band working requirement and a data transmission requirement.

Abstract: A method of generating motor driving signal includes: obtaining acceleration segment signal for driving motor to start vibrating, constant segment signal for achieving low-frequency vibration tactile effect of the motor, and attenuating segment signal for decreasing vibration quantity of the motor in low frequency manner, frequency of constant segment signal and of attenuating segment signal being smaller than frequency of acceleration segment signal; splicing the acceleration segment signal with the constant segment signal, and reserving idle period with no signal output therebetween to obtain first motor driving signal; adjusting parameter of constant segment signal of first motor driving signal according to vibration feeling requirement, and splicing attenuating segment signal after the adjusted first motor driving signal to obtain second motor driving signal; and adjusting parameter of attenuating segment signal of second motor driving signal, and determining second motor driving signal with highest braki

Abstract: The present disclosure provides an antenna system, including: a metal housing including a radiation frame and a grounded back shell; a circuit board located in the metal housing and including a radio frequency feeding source and a tunable capacitor; and an antenna unit connected to the radio frequency feeding source and configured to be coupled to the radiation frame. A fracture is formed between each of two ends of the radiation frame and the grounded back shell. The tunable capacitor is connected to the radiation frame so as to change an electrical length of the antenna system by switching to different capacitances. Compared with the related art, the antenna system provided by present disclosure, by providing the tunable capacitor as a tuner of the antenna system, not only can achieve that the radiation frequency of the antenna system covers 790-960 MHz and 1710-2690 MHz, but also has good radiation performance.

Abstract: A speaker includes a holder, a magnetic circuit unit, and a vibration unit including a diaphragm, a voice coil, and a centering support plate. The centering support plate is fixed to a side of the voice coil facing away from the diaphragm. One end of the centering support plate fixed to the voice coil is provided with a pad electrically connected to the voice coil. The diaphragm includes a central portion, a suspension portion surrounding the central portion, and a dome fixed to the central portion. The dome includes a body attached to the central portion, and a connection portion extending from an edge of the body towards the pad and fixedly connected to the pad. With the connection portion, the pad of the centering support plate can be fixed, preventing the tone quality of the speaker from being damaged by the pad, and t reducing noise.

Abstract: A vibration motor includes a housing, and a stator, a vibrator, and an elastic support component elastically supporting the vibrator that are accommodated in the housing. The housing includes a top wall, a bottom wall disposed opposite the top wall and a side wall, the stator includes a first coil, a second coil and an iron core disposed corresponding to the coil, the first the coil and the second coil are sleeved over the iron core respectively from two ends of the iron core, the vibrator is sleeved around the stator and spaced from the stator, the elastic support component supports the vibrator to axially vibrate, the top wall is provided with a through hole running through the top wall, the first coil is provided with a coil lead wire, and the coil lead wire extends from the through hole to the exterior of the housing.

Abstract: The present disclosure provides an antenna-in-package system and a mobile terminal. The mobile terminal includes a main board, wherein the antenna-in-package system includes a substrate, a metal antenna provided on a side of the substrate facing away from the main board, an integrated circuit chip provided on a side of the substrate facing towards the main board, a feeding network provided in the substrate and spaced apart from the metal antenna, and a circuit connecting the feeding network with the integrated circuit chip. The circuit is electrically connected to the main board. The feeding network is provided with a slit at a position corresponding to the metal antenna. The metal antenna is fed with power by coupling with the feeding network via the slit.

Abstract: An antenna includes an antenna body, a feeding network board screw-connected to the antenna body, and a feeding spring pin connecting the coupling feeding branch with a feeding network of the feeding network board. The antenna body includes a plastic bracket, an antenna radiating sheet provided on a top of the plastic bracket, and a coupling feeding branch provided on a side portion of the plastic bracket. The plastic bracket is formed into one piece, the antenna radiating sheet and the coupling feeding branch are spaced apart from and coupled with each other. The antenna of the present invention has good consistency, high reliability, is easy to assemble without welding, and has a simple overall structure, low cost and small size, and can be used for 5G large-scale antenna array deployment.

Abstract: The present invention provides a mobile terminal, which includes a Vivaldi antenna system arranged in the mobile terminal, wherein the Vivaldi antenna system includes two pairs of Vivaldi antenna arrays, opening directions of one pair of the Vivaldi antenna arrays are along a length direction of the mobile terminal, opening directions of the other pair of the Vivaldi antenna arrays are along a thickness direction of the mobile terminal, and each pair of the Vivaldi antenna arrays includes two Vivaldi antenna arrays with opposite opening directions, and the Vivaldi antenna arrays operate in a frequency band of 5G millimeter waves. Compared with the related art, the mobile terminal provided by the present disclosure has wide and uniform beam bandwidths in a non-scanning direction, thus achieving excellent spatial coverage efficiency.

Abstract: The present disclosure relates to a molecular sieve, preparation thereof and acoustic absorption material and speaker containing the same. The molecular sieve having an MFI-structure, comprising a framework and an off-framework cation, wherein the framework comprises SiO2 and a metal oxide MxOy with M comprising boron, gallium or aluminium; the off-framework cation is at least one of hydrogen ion, alkali metal ion and alkaline earth metal ion. The molecular herein can effectively prevent the failure of the molecular sieve and improve the performance stability of the speaker.

Abstract: The present disclosure discloses a speaker, including a holder, a magnetic circuit unit and a vibration unit arranged in the holder, the vibration unit comprises a suspension fixed at the holder, a dome fixed at a center of the suspension and a voice coil connected to the dome, the dome is provided with recesses formed by recessing from the dome towards the magnetic circuit unit, a spacing is formed between at least two of the recesses, and the voice coil abuts against bottom walls of the recesses and forms a leakage passage with the dome at the spacing. The leakage passage enables a difference of internal and external air pressures of the voice coil to be effectively reduced after an amplitude of the vibration unit is increased; the voice coil becomes short and thick, and thus a magnetic flux is increased and structural strength of the dome itself is improved.

Abstract: The present disclosure relates to a motor control system and method based on current feedback signal. The motor control system includes a control apparatus, a linear motor, and a current feedback apparatus, where an output end of the control apparatus is connected to the linear motor for calculating a displacement error of a previous moment to obtain a control output value of a current moment, and converting the control output value into a voltage signal for transmission to the linear motor; the linear motor is configured to vibrate according to the voltage signal input by the control apparatus; and the current feedback apparatus is connected to the linear motor, and is configured to: convert a measured current value of the linear motor into an actual displacement value of the current moment, and feed back the actual displacement value to an input end of the control apparatus.

Abstract: The present disclosure discloses a virtual motor vehicle engine controlling system including a processor, a virtual motor vehicle engine, a start/stop controlling unit, a brake controlling unit, a acceleration controlling unit, a sound play controlling unit and a video play controlling unit, the virtual motor vehicle engine controlling system further including a tactile feedback unit controlled by the processor which may perform tactile feedback to the user at the virtual motor vehicle engine interface. The virtual motor vehicle engine controlling system of the present invention has a better effect of user experience compared with related technologies.

Abstract: The present disclosure provides an antenna system and a mobile terminal. The antenna system comprises a metal frame, a main board received in the metal frame, and a first feeding point, a second feeding point, a first grounding point, a second grounding point, a third feeding point, a fourth feeding point, a third grounding point, a fourth grounding point, a first tuning switch, a second tuning switch, a first matching network, a variable capacitor, a third tuning switch, a fourth tuning switch, and a second matching network disposed at the main board. The metal frame is partitioned into a first radiating portion and a second radiating portion at the bottom and a third radiating portion and a fourth radiating portion at the top.

Abstract: An electrodynamic acoustic transducer (1a . . . 1e) is presented, which comprises a housing (2), a membrane (3), a coil arrangement (6, 6a . . . 6h) attached to the membrane (3) and a magnet system (9, 10, 11). The coil arrangement (6, 6a . . . 6h) comprises a plurality of coils (7, 8) each having two terminals (T7a, T7b, T8a, T8b, T9a, T9b) being static in relation to the housing (2). Connecting wires (12a, 12b, 13a, 13b) connect the coils (7, 8) and the terminals (T7a, T7b, T8a, T8b, T9a, T9b, T78b). The connecting points (C7a, C7b, C8a, C8b) between the connecting wires (12a, 12b, 13a, 13b) and the coils (7, 8) are symmetrically arranged on the coil arrangement (6, 6a . . . 6h).

Abstract: Embodiments of the present disclosure relate to the field of communication technology, and disclose a vibration method, a mobile terminal, and a computer-readable medium. A corresponding relation between music parameters and vibration signals is pre-stored in the mobile terminal. The vibration method is applied to a mobile terminal and includes: acquiring, according to the a preset ringtone, a music parameter of the ringtone; searching for a vibration signal corresponding to the music parameter according to the music parameter of the ringtone; generating a driving signal matching the ringtone according to the found vibration signal, where the driving signal is used to drive a motor inside the mobile terminal to produce a vibration matching the ringtone; and when the ringtone is played, driving the motor to vibrate according to the generated driving signal. In this way, the mobile terminal vibrates according to the rhythm of music, meeting users' personalized requirements.

Abstract: The present disclosure provides a speaker including a housing, a vibration unit received in the housing, a magnetic circuit unit, flexible circuit boards, and conductive terminals. The housing includes an upper cover and a holder. The housing includes an upper cover and a holder. The holder includes a holder body and extension portions extending from the holder body. The extension portion includes a groove formed by inwardly recessing from a side surface of the extension portion facing away from the receiving space, and a through hole formed by recessing from a top end of the extension portion and communicating with the groove. One end of the flexible circuit board is received in the groove, and the conductive terminal passes through the through hole to be fixedly connected to the flexible circuit board. The present disclosure also provides a method for manufacturing the speaker.

Abstract: An antenna system, a communication terminal and a base station are provided. The antenna system includes a system ground unit having a receiving hole penetrating therethrough; and a millimeter wave antenna unit embedded in and fixed to the receiving hole. The millimeter wave antenna unit includes: a radiator, a first substrate layer, a second substrate layer, a feeding body, a third substrate layer, and a grounding layer that are stacked. The feeding body is provided with a slit strip and a feeding port, the slit strip has an opening penetrating to one of sides of the feeding body, the feeding port is disposed adjacent to the opening, the grounding layer is electrically connected to the system ground unit, and the radiator is coupled with the feeding body. The antenna system can achieve omnidirectional radiation and has a scanning angle of over 100 degrees.