Patents by Inventor Li-zhu Xi

Li-zhu Xi 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).

  • Micro-speaker
    Patent number: 8995704
    Abstract: A micro-speaker includes a frame, a diaphragm mounted on the frame, a magnetic system received in the frame and defining a magnetic gap, a voice coil driving the diaphragm and suspended in the magnetic gap, and a suspension having a body portion and at least a pair of connecting portion extending from the body portion and mounted on the frame. The body portion of the suspension connects with the voice coil and far away from the diaphragm for cooperating with the diaphragm to fix the coil firmly, thereby ensuring the vibrating of the diaphragm is stable and balanced.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: March 31, 2015
    Assignees: AAC Acoustic Technologies (Shenzhen) Co., Ltd., AAC Technologies Holdings, Inc.
    Inventors: Xing-zhi Huang, Li-zhu Xi, Xiong Zhang
  • MICRO-SPEAKER
    Publication number: 20130016874
    Abstract: A micro-speaker includes a frame, a diaphragm mounted on the frame, a magnetic system received in the frame and defining a magnetic gap, a voice coil driving the diaphragm and suspended in the magnetic gap, and a suspension having a body portion and at least a pair of connecting portion extending from the body portion and mounted on the frame. The body portion of the suspension connects with the voice coil and far away from the diaphragm for cooperating with the diaphragm to fix the coil firmly, thereby ensuring the vibrating of the diaphragm is stable and balanced.
    Type: Application
    Filed: July 13, 2012
    Publication date: January 17, 2013
    Applicants: AAC TECHNOLOGIES HOLDINGS INC., AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD.
    Inventors: Xing-zhi Huang, Li-zhu Xi, Xiong Zhang