Patents by Inventor Shuwen Wu

Shuwen Wu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10764691
    Abstract: The present disclosure provides a speaker, including a flexible circuit board, a holder, a diaphragm received in the holder, and a voice coil for driving the diaphragm to vibrate. The flexible circuit board includes a connecting portion received in the holder and an extension portion extending from the connecting portion to outside of the holder. The voice coil is electrically connected to the connecting portion. The flexible circuit board further includes a first pad located at an upper surface of the connecting portion and electrically connected to the voice coil, and a second pad located at an upper surface of the extension portion. The extension portion is folded over with respect to the connecting portion, and a lower surface of the extension portion is attached to the holder.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: September 1, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Wei Song, Shuwen Wu, Zhiyuan Chen, Fan Zhang
  • Publication number: 20200213750
    Abstract: A speaker, having a firmer structure, includes a metal holder, a magnetic circuit unit including a first diaphragm, and a vibration unit including a clamp plate. The clamp plate includes long-axis edges and short-axis edges. The holder includes long edges, short edges, and corner portions. The short edge includes a first surface facing away from the first diaphragm. The short-axis edge abuts against the first surface. The short-axis edge includes a second surface facing the short edge. The corner portion includes a third surface facing away from the first diaphragm. The holder further includes a protrusion extending from the first surface in a direction facing away from the first diaphragm. The clamp plate further includes an avoiding portion formed by recessing from the second surface in a direction facing away from the short edge. The protrusion is received in and connected to the avoiding portion.
    Type: Application
    Filed: December 4, 2019
    Publication date: July 2, 2020
    Inventor: Shuwen Wu
  • Publication number: 20200213720
    Abstract: The present invention discloses a speaker, including a holder, a vibration unit and a magnetic circuit unit that are fixed to the holder. The magnetic circuit unit includes a yoke fixed to the holder, a main magnet and an auxiliary magnet that are assembled on the yoke. The main magnet is spaced apart from the auxiliary magnet to form a first magnetic gap. The yoke includes a bottom wall and a sidewall formed by extending from a periphery of the bottom wall while being bent. The main magnet and the auxiliary magnet are assembled on the bottom wall. The auxiliary magnet is provided along a long axis direction of the bottom wall. The sidewall is located in a short axis direction of the bottom wall, and the sidewall is spaced apart from the main magnet to form a second magnetic gap.
    Type: Application
    Filed: December 8, 2019
    Publication date: July 2, 2020
    Inventors: Shuwen Wu, Wei Song
  • Publication number: 20200213763
    Abstract: The present invention provides a sound generator including: a frame, a magnetic circuit system with a magnetic gap, and a vibration system fixed at the frame. The vibration system includes a vibrating diaphragm fixed at the frame, a voice coil inserted in the magnetic gap for driving the vibrating diaphragm to vibrate, and an elastic support assembly fixed at the frame and opposite to but spaced from the vibrating diaphragm, the elastic support assembly being fixed at one end of the voice coil far away from the vibrating diaphragm. The elastic support assembly includes an elastic part having a first fixation arm fixed at the frame, a second fixation arm fixed, and an elastic arm connecting the first fixation arm to the second fixation arm, and a bending unit obliquely extending from the elastic arm protruding towards a direction toward the vibrating diaphragm.
    Type: Application
    Filed: December 8, 2019
    Publication date: July 2, 2020
    Inventors: Hongjian Hu, Shuwen Wu
  • Publication number: 20200204922
    Abstract: The present invention provides a speaker, which includes a basket, a vibration system and a magnetic circuit system. The magnetic circuit system includes a magnetic frame, the magnetic frame and the basket define an accommodating space for accommodating the magnetic circuit system and the vibration system. The magnetic frame includes a magnetic frame bottom wall, a magnetic frame side wall extending from an outer side of the magnetic frame bottom wall towards the basket, and an extended portion extending from the magnetic frame side wall towards an outer side, the extended portion is provided with a plurality of protrusions formed by a semi-shearing process and protruding towards the basket, and an opening hole which is clamped and fixed with the protrusion is provided in a bottom wall of the basket. The speaker of the present disclosure has advantages of a stable structure size and suitability for accurate locating.
    Type: Application
    Filed: November 29, 2019
    Publication date: June 25, 2020
    Inventors: Shuwen Wu, Wei Song
  • Publication number: 20200077198
    Abstract: The present disclosure provides a speaker. The speaker comprises a fixing system and a vibration system, the vibration system includes a membrane, a voice coil for driving the membrane to generate sound, and an elastic part fixedly connected to one end of the voice coil distal from the membrane. The elastic part comprises a diaphragm elastically supporting the voice coil. The diaphragm comprises a first fixing portion fixedly connected to the fixing system, a second fixing portion fixedly connected to the voice coil and an edge connecting the first fixing portion and the second fixing portion. The edge is provided with a plurality of openings. The present disclosure also provides a speaker using a breathable material.
    Type: Application
    Filed: August 8, 2019
    Publication date: March 5, 2020
    Inventors: Shuwen Wu, Wei Song
  • Publication number: 20200053477
    Abstract: The present disclosure provides a speaker, including a flexible circuit board, a holder, a diaphragm received in the holder, and a voice coil for driving the diaphragm to vibrate. The flexible circuit board includes a connecting portion received in the holder and an extension portion extending from the connecting portion to outside of the holder. The voice coil is electrically connected to the connecting portion. The flexible circuit board further includes a first pad located at an upper surface of the connecting portion and electrically connected to the voice coil, and a second pad located at an upper surface of the extension portion. The extension portion is folded over with respect to the connecting portion, and a lower surface of the extension portion is attached to the holder.
    Type: Application
    Filed: August 1, 2019
    Publication date: February 13, 2020
    Inventors: Wei Song, Shuwen Wu, Zhiyuan Chen, Fan Zhang
  • Publication number: 20200045468
    Abstract: The present disclosure provides a speaker, including a housing and a vibration unit and a magnetic circuit unit that are received in the housing. The magnetic circuit unit includes a magnetic frame, the magnetic frame comprising a bottom wall and a sidewall extending from the bottom wall while being bent towards the housing. A positioning portion protruding outwardly is provided on the sidewall of the magnetic frame, and the positioning portion abuts against the housing. The speaker of the present disclosure can achieve the positioning of the magnetic frame using the positioning portion provided on the sidewall of the magnetic frame during the assembling, and it is unnecessary to sacrifice the flanging length of the magnetic frame, so that the flanging of the magnetic frame can be maximized, thereby improving the performance of the speaker.
    Type: Application
    Filed: July 31, 2019
    Publication date: February 6, 2020
    Inventors: Wei Song, Shuwen Wu, Zhiyuan Chen, Fan Zhang
  • Publication number: 20200045466
    Abstract: The present disclosure provides a speaker including a frame having an accommodating space, a vibration system and a magnetic circuit system that are accommodated in the accommodating space. The vibration system includes a first diaphragm configured to vibrate and produce sound, a voice coil located below the first diaphragm and configured to drive the first diaphragm to vibrate and produce sound, a flexible circuit board electrically connected to the voice coil and elastically supporting the voice coil, and a second diaphragm fixed to the flexible circuit board. The flexible circuit board includes a first fixing portion connected to the voice coil, a second fixing portion disposed opposite to and separately from the first fixing portion, and an elastic arm connecting the first fixing portion and the second fixing portion. An orthogonal projection of the elastic arm toward the second diaphragm is partially located within a range of the second diaphragm.
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Inventors: Wei Song, Shuwen Wu, Fan Zhang
  • Publication number: 20200045471
    Abstract: The present disclosure provides a speaker including a holder, a vibration unit and a magnetic circuit unit that are received in the holder. The vibration unit includes a voice coil, a flexible circuit board, and a diaphragm. The flexible circuit board includes a body portion and a pad portion extending inwardly from the body portion. The pad portion is electrically connected to the voice coil, and the magnetic circuit unit is provided with an avoiding portion for receiving the pad portion at a position corresponding to the pad portion. In the speaker according to the present disclosure, a local position of the flexible circuit board is connected to the voice coil, so that the magnetic gap will not be sacrificed, thereby improving the acoustic performance of the speaker and improving user experience.
    Type: Application
    Filed: August 1, 2019
    Publication date: February 6, 2020
    Inventors: Wei Song, Shuwen Wu, Zhiyuan Chen, Fan Zhang
  • Patent number: 10182286
    Abstract: The invention discloses a sound device. The sound device includes a frame and a lower plate. The frame includes a side wall and a leaking hole penetrating the side wall. The sound device also includes an air-permeable isolator covering the leaking hole, and the air-permeable isolator covers the leaking hole completely. Compared with the related technologies, when the sound device is provided in the box body to form a sound device box, a back cavity circumvented and formed by the sound device and the sound device box can be directly filled with acoustic absorbent to form a virtual acoustic cavity.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: January 15, 2019
    Assignee: AAC TECHNOLOGIES PTE. LTD.
    Inventors: Shuwen Wu, Wei Song, Haifei Huang
  • Publication number: 20180255392
    Abstract: The invention discloses a sound device. The sound device includes a frame and a lower plate. The frame includes a side wall and a leaking hole penetrating the side wall. The sound device also includes an air-permeable isolator covering the leaking hole, and the air-permeable isolator covers the leaking hole completely. Compared with the related technologies, when the sound device is provided in the box body to form a sound device box, a back cavity circumvented and formed by the sound device and the sound device box can be directly filled with acoustic absorbent to form a virtual acoustic cavity.
    Type: Application
    Filed: July 13, 2017
    Publication date: September 6, 2018
    Inventors: Shuwen Wu, Wei Song, Haifei Huang
  • Patent number: 9918166
    Abstract: A speaker is disclosed. The speaker includes a magnetic circuit system; a vibration system including a vibrating diaphragm, a voice coil for driving the vibrating diaphragm, and a silicone gel spider elastically supporting the voice coil. The silicone gel spider includes a through-hole passing through an upper surface and a lower surface thereof for balancing air pressure inside and outside of the speaker.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: March 13, 2018
    Assignee: AAC TECHNOLOGIES PTE. LTD.
    Inventors: Shuwen Wu, Wei Song
  • Patent number: 9813821
    Abstract: A miniature sound generator includes a vibration system including a diaphragm, a voice coil, a damping part supporting the coil elastically, and a fixing system. The voice coil is located below the diaphragm for driving the diaphragm to vibrate and includes a pair of long shaft sides and a pair of short shaft sides. The damping part includes a circuit board arranged on one short shaft side for electrically connecting with the voice coil, and an insulated symmetrical plate arranged on the other short shaft side. The damping part is only arranged at the short shaft sides symmetrically, with one end thereof being fixed with the fixing system, and the other end thereof being fixed with the voice coil. The insulated symmetrical plate has a damping coefficient same to that of the circuit board.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: November 7, 2017
    Assignee: AAC TECHNOLOGIES PTE. LTD.
    Inventors: Wei Song, Shuwen Wu, Yuxin Gu
  • Patent number: 9813818
    Abstract: A speaker is disclosed. The speaker includes a magnetic circuit system; a vibration system including a vibrating diaphragm, a voice coil for driving the vibrating diaphragm, and a silicone gel spider elastically supporting the voice coil. The speaker further includes a high temperature resistant support ring attached with the voice coil and the silicone spider.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: November 7, 2017
    Assignee: AAC TECHNOLOGIES PTE. LTD.
    Inventors: Shuwen Wu, Wei Song
  • Publication number: 20170048622
    Abstract: A speaker is disclosed. The speaker includes a magnetic circuit system; a vibration system including a vibrating diaphragm, a voice coil for driving the vibrating diaphragm, and a silicone gel spider elastically supporting the voice coil. The silicone gel spider includes a through-hole passing through an upper surface and a lower surface thereof for balancing air pressure inside and outside of the speaker.
    Type: Application
    Filed: March 28, 2016
    Publication date: February 16, 2017
    Applicant: AAC Technologies Pte. Ltd.
    Inventors: Shuwen Wu, Wei song
  • Publication number: 20170048621
    Abstract: A speaker is disclosed. The speaker includes a magnetic circuit system; a vibration system including a vibrating diaphragm, a voice coil for driving the vibrating diaphragm, and a silicone gel spider elastically supporting the voice coil. The speaker further includes a high temperature resistant support ring attached with the voice coil and the silicone spider.
    Type: Application
    Filed: March 28, 2016
    Publication date: February 16, 2017
    Applicant: AAC Technologies Pte. Ltd.
    Inventors: Shuwen Wu, Wei Song