Patents Assigned to Dongguan Yi Xin Electronic Technology Co., Ltd
  • Speaker
    Patent number: 10873801
    Abstract: A speaker includes a casing, a first diaphragm and a second diaphragm. The casing encloses a first sound chamber and a second sound chamber independent of each other. The casing has a dividing wall, and the dividing wall blocks between the first sound chamber and the second sound chamber. The first diaphragm is disposed in the first sound chamber, the second diaphragm is disposed in the second sound chamber, and the vibration frequency of the second diaphragm is higher than the vibration frequency of the first diaphragm.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: December 22, 2020
    Assignees: Ampacs Corporation, Dongguan Yi Xin Electronic Technology Co., Ltd
    Inventor: Hsiu-Chen Hsu