Patents by Inventor Kun Ming Lu

Kun Ming Lu 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).

  • Sound propagating device and loudspeaker having the same
    Patent number: 10779079
    Abstract: The disclosure relates to a sound propagating device including a sound-reflecting component, a first baffle plate, a second baffle plate, and a baffle assembly. The sound-reflecting component has a conical surface. The first baffle plate and the second baffle plate are respectively connected to two opposite ends of the baffle assembly. The first baffle plate, the second baffle plate, and the baffle assembly are moveably located on the conical surface. An angle between the first baffle plate and the second baffle plate is changed when at least one of the first baffle plate and the second baffle plate is moved. In addition, the disclosure also relates to a loudspeaker having the sound propagating device.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: September 15, 2020
    Assignee: WISTRON CORP.
    Inventors: Chih-Feng Yeh, Kun Ming Lu, Shao ping Chen