Patents Assigned to AAC Technologies Pte. Ltd.
  • Patent number: 10820113
    Abstract: The speaker provided by the present invention includes a magnetic circuit system. The magnetic circuit system includes an upper magnetic conductive plate, and a lower magnetic conductive plate. The magnet includes a first magnet mounted on a center of the lower magnetic conductive plate and facing the diaphragm, and a second magnet mounted on the lower magnetic conductive plate and surrounding the first magnet. The upper magnetic conductive plate includes a first horizontal portion engaging with the second magnet, and a first oblique portion extending obliquely from the first horizontal portion. The speaker further includes a suspension sandwiched between the upper magnetic conductive plate and the second magnet for improving the stability of the vibration of the diaphragm and the balance of the vibration, and thus improves the power of speaker.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventor: Wei Song
  • Patent number: 10820114
    Abstract: A speaker is provided. The speaker includes: an electrical connector and a voice coil. The electrical connector includes an elastic arm spaced apart from the voice coil and joint portions extending from two opposite sides of the elastic arm while being bent towards the voice coil. The joint portions are supported at a side of the voice coil facing away from the diaphragm. Each of the joint portions is provided with a binder portion configured to fix the voice coil to the joint portion. The voice coil includes an outer side surface close to the elastic arm and an inner side surface opposite to the outer side surface. The binder portion is provided at two sides of the voice coil and is bonded with the inner side surface and the outer side surface.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Guqing Zhang, Ronglin Linghu
  • Patent number: 10820116
    Abstract: The present application discloses a speaker includes a frame, a vibration system accommodated in the frame, the vibration system comprising a diaphragm, a voice coil for driving the diaphragm to generate sounds. Wherein, the voice coil comprises a pair of voice coil leading wires; a magnetic circuit system accommodated in the frame, the magnetic circuit system comprising a yoke, a main magnet, an auxiliary magnet surrounding the main magnet and spaced from the main magnet for forming a magnetic gap, an upper plate attached to the auxiliary magnet; the upper plate includes a base portion, an extending portion extending from an edge of the base portion in a direction away from the base portion, and a bending portion connected with the extending portion and bent and extends toward the yoke; the frame wraps on the extending portion and the bending portion by means of injection molding.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventor: Xiaojiang Gu
  • Patent number: 10820090
    Abstract: The present disclosure discloses a speaker assembly, including: a housing with an accommodation space formed by a top wall, a bottom wall, and a sidewall; a speaker received in the accommodation space. The speaker includes a first unit having a first diaphragm and a second unit having a second diaphragm; a first back cavity formed by the first unit and the bottom wall; a second back cavity formed by the second unit and the top wall. An auxiliary cavity is formed by the second diaphragm and the bottom wall; a partition wall connecting between the top wall and the bottom wall for separating the auxiliary cavity from the first back cavity. The partition wall has a through hole corresponding to the second diaphragm. The second unit has a side adjacent to the second diaphragm fixed to the partition wall.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Pengfei Yu, Tao Shao
  • Patent number: 10820115
    Abstract: Provided is a speaker including: a holder having a receiving space; a vibration unit received in the receiving space; and a magnetic circuit unit received in the receiving space and configured to drive the vibration unit to vibrate and sound, the magnetic circuit unit comprising a magnetic frame and a magnet received in the magnetic frame. The magnetic frame includes: a bottom wall connected to the magnet; a sidewall formed by extending from the bottom wall while being bent the vibration unit; and a leakage hole penetrating through the magnetic frame. The leakage hole is provided at a position where the bottom wall and the sidewall are connected and is in communication with the receiving space, and the leakage hole comprises a first portion penetrating through the bottom wall and a second portion penetrating through the sidewall, the first portion and the second portion being in communication with each other.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventor: Guqing Zhang
  • Patent number: 10819015
    Abstract: The present invention provides an antenna system applied to a mobile terminal. The mobile terminal includes a metal bezel, a plastic back shell and a main board. The antenna system includes a metal trace. The metal trace includes a feed section, a radiating section, a first loop unit and a second loop unit. The main board is provided with one feed point connected to both the feed section and the metal bezel, two ground points respectively connected to an end, away from the feed section, of the first loop unit and an end, away from the feed section, of the second loop unit, and a tuning switch connected to the metal bezel.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventor: Jingqiang Luo
  • Patent number: 10819002
    Abstract: An AOG antenna system and a mobile terminal are provided. The AOG antenna system includes an Antenna in Package (AiP) disposed between the main board and the 3D glass back cover and electrically connected to the main board, and a metal antenna formed on a surface of the 3D glass back cover. The metal antenna includes a first antenna attached to an inner surface of the 3D glass back cover and a second antenna attached to an outer surface of the 3D glass back cover. A position of the first antenna corresponds to a position of the AiP and is fed with power by coupling to the AiP, and a position of the second antenna corresponds to the position of the first antenna and is fed with power by coupling to the first antenna.
    Type: Grant
    Filed: July 28, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Zhimin Zhu, Xiaoyue Xia, Zhengdong Yong, Wei Zhao, Chao Wang
  • Patent number: 10820080
    Abstract: The present disclosure provides a receiver module. The receiver module includes a receiver and a microphone. The receiver includes a holder, a vibration unit, a magnetic circuit unit, a front cover covering the holder and a cover plate. The vibration unit includes a diaphragm spaced apart from the cover plate to form a front cavity. The holder includes a holder body portion, a holder extension portion and a first through-hole. The front cover includes a front cover body portion, a front cover extension portion and a second through-hole. The microphone is fixed on a surface of the holder extension portion facing away from the cover plate. The front cavity, the second through-hole, the first through-hole and a sound inlet hole of the microphone communicate with one another. The microphone share the front cavity with receiver to absorb noise of the receiver, providing better sound effect.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventor: Xiaojiang Gu
  • Patent number: 10820112
    Abstract: The speaker of the present invention comprises a frame, a vibration system and a magnetic circuit system. The vibration system comprises a diaphragm and a voice coil assembly for driving the vibration of the diaphragm for generating sound, the diaphragm is located on the frame, and the voice coil assembly is connected with the diaphragm and the magnetic circuit system includes a first clamping plate, a yoke, and a main magnetic and a sub magnetic disposed in the yoke. Wherein the bonding portion of the first clamping plate and the sub magnetic is provided with an adhesive groove recessed from the bonding portion away from the sub magnetic. When the first clamping plate is bonded to the sub magnetic, the glue is filled between the first clamping plate and the sub magnetic and filled in the adhesive groove.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventor: Denglin Li
  • Patent number: 10819014
    Abstract: The present invention 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 divided 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.
    Type: Grant
    Filed: July 27, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Haichuan Gu, Jianchun Mai
  • Patent number: 10817064
    Abstract: A mobile terminal is provided. The mobile terminal includes a housing, a screen module covering on the housing and cooperatively forming a receiving cavity with the housing, a circuit board received in the receiving cavity, and an exciter sandwiched between the circuit board and the screen module. The exciter includes a base, a coil fixed in the base, and at least two helical springs extending perpendicularly to the circuit board from the base. The at least two helical springs are made of conductive materials. One end of each the helical spring resists against the circuit board and electrically connects the circuit board, the other end of each the helical spring extends into the receiving cavity and electrically connects the coil, and the at least two helical springs are in a compressed state during resisting against the circuit board allowing the base to abut the screen module.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Huan Ge, Jiwei Ge
  • Patent number: 10816602
    Abstract: The present disclosure provides a method for measuring bandwidth of linear motor, including the following steps: step S1: setting a frequency distribution of an excitation signal; step S2: with reference to a target displacement level, measuring a steady state displacement peak of a motor vibrator at each frequency point of the excitation signal, and obtaining a frequency response curve with reference to the target displacement level; step S3: according to the frequency response curve obtained in step S2, determining an upper frequency limit and a lower frequency limit with reference to the target displacement level, and obtaining a bandwidth of the linear motor by calculating a difference between the upper frequency limit and the lower frequency limit.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Hanlin Deng, Zheng Xiang, Xiang Lu
  • Patent number: 10820108
    Abstract: A speaker is provided. The speaker includes: an electrical connector and a voice coil. The electrical connector includes an elastic arm and a connection portion. The voice coil includes an outer side surface close to the elastic arm and an inner side surface opposite to the outer side surface, each of the joint portions includes a body portion supported at a side of the voice coil facing away from the diaphragm, a first extension portion formed by extending from the body portion and being opposite to the inner side surface, and a second extension portion formed by extending from the body portion and being opposite to the outer side surface, the first extension portion and the second extension portion are spaced apart to form a receiving groove, and the voice coil is sandwiched and fixed in the receiving groove.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Guqing Zhang, Ronglin Linghu
  • Patent number: 10819017
    Abstract: An antenna system and a mobile terminal are provided. The antenna system includes a metal frame, a mainboard received inside the metal frame, and a first feeding point, a second feeding point, a first grounding point and a second grounding point provided on the mainboard. The metal frame includes a bottom frame separated by the breach into a first radiation portion located at the bottom left corner and a second radiation portion located at the bottom right corner. A first antenna is formed by feeding of the first feeding point, a second antenna is formed by feeding of the second feeding point, a working frequency of the first antenna covers LTE low frequency, and the working frequencies of the first antenna and the second antenna cover LTE intermediate frequency and high frequency & 3.4-3.8 GHz & C frequency band.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventor: Haichuan Gu
  • Patent number: 10819020
    Abstract: The embodiments of the present invention relate to the field of communication technology, and disclose an antenna system and a mobile terminal. In the present disclosure, the antenna system includes: a first antenna, a second antenna, a third antenna, a fourth antenna, and a fifth antenna, wherein the first antenna, the second antenna, the fourth antenna, and the fifth antenna constitute a 4*4 MIMO operating at 3300 MHz to 3600 MHz, the second antenna and the third antenna constitute a 2*2 MIMO operating at 4800 MHz˜5000 MHz, so that the antenna system of the present disclosure can support the operating band of the terminal in 5G communication, promoting the development of mobile terminal in the aspect of 5G communication.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Jianpeng Zhu, Li Han, Hua Jiang, Xufeng Zhang
  • Patent number: 10819204
    Abstract: The present disclosure provides a vibration motor. The vibration motor includes a first vibrator and a second vibrator which perform relative moved. One of the first vibrator and the second vibrator is provided with a magnetic circuit, and the other one is provided with a coil corresponding to the magnetic circuit. The coil and the magnetic circuit interact to generate a driving force to drive the relative moved of the first vibrator and the second vibrator. A BL value of the magnetic circuit can be effectively improved, a better vibration feeling can be achieved, and the circuit reliability can be improved.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Lubin Mao, Yun Tang
  • Patent number: 10819039
    Abstract: The present invention discloses an antenna system including a sub-array rectangular speaker having a metal substrate and a circuit board with 4 electrically connected sub-boards, 4 insolate layers and 4 feeding components. The sub-board includes a first feed point and a second feed point for electrically connecting to corresponding feeding components. Each of the speakers includes sidewalls and rigid walls for electrically connected to the first and second feed points. The present invention further provides a communication terminal using such an antenna.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Tan Yew Choon, Ng Guan Hong, Tay Yew Siow
  • Patent number: 10819021
    Abstract: An antenna module and a mobile device are provided. The antenna module includes a radiator formed on a surface of the plastic rear housing facing the back cover, and a feed point, a first ground point, and a second ground point that are disposed on the motherboard. The antenna module further includes a matching network, a first tuning switch, and a second tuning switch. The feed point is connected to the radiator through the matching network. The first ground point is connected to the radiator through the first tuning switch. The second ground point is connected to the radiator through the second tuning switch. The surface of the plastic rear housing facing the back cover includes a first shaping zone for shaping the radiator and a second zone other than the first shaping zone, and the radiator completely covers the first shaping zone.
    Type: Grant
    Filed: July 28, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventor: Yachuan Shen
  • Patent number: 10819858
    Abstract: A method for improving an echo cancellation effect and a system thereof are disclosed. The method comprises includes: performing a non-linear compensation for a non-linear response portion of an excitation signal using an NLC algorithm to obtain a compensated excitation signal; outputting the compensated excitation signal to an echo cancellation system; and performing echo cancellation for the compensated excitation signal by the echo cancellation system. According to the present disclosure, using the NLC algorithm, non-linear compensation is performed for the non-linear portion of the excitation signal, non-linear outputs generated due to non-linear characteristics of the system are pre-compensated when being input to the echo cancellation system, such that the echo signal output by the echo cancellation system is minimized and the echo cancellation effect is improved.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventor: Henglizi Zhang
  • Patent number: 10819023
    Abstract: The invention provides an antenna system including subarray loudspeaker units. The subarray loudspeaker units includes: a metal base; a circuit board overlapped on and electrically connected to the metal base and including a circuit board body for forming a system ground and four parallel rectangular slots penetrating the circuit board body for forming a central area; a phase shift unit including a phase shift chip overlapped on and electrically connected to the circuit board and located at the central area; and loudspeaker units. The loudspeaker units includes four loudspeakers electrically connected to the circuit board and connected with each other for surrounding the phase shift unit, each of the loudspeaker units inserting into a corresponding slot.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: October 27, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Tan Yew Choon, Ng Guan Hong, Tay Yew Siow