Patents by Inventor Kaifeng Sun

Kaifeng Sun 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).

  • Loudspeaker-purpose vibrating cone and loudspeaker
    Patent number: 10805733
    Abstract: A loudspeaker and a vibrating cone for a loudspeaker wherein the vibrating, cone has a vibrating diaphragm arranged to be connected with a voice coil of the loudspeaker at a connecting position, the vibrating diaphragm comprises a first portion adjacent t the connecting position and a second portion spaced a distance from the connecting position. A strength of the first portion of the vibrating diaphragm is greater than a strength of the second portion of the vibrating diaphragm.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: October 13, 2020
    Assignee: Harman International Industries, Incorporated
    Inventors: Kaifeng Sun, Xipeng Ye, Na Liu, Yi Chen
  • Loudspeaker-Purpose Vibrating Cone and Loudspeaker
    Publication number: 20200007990
    Abstract: A loudspeaker and a vibrating cone for a loudspeaker wherein the vibrating, cone has a vibrating diaphragm arranged to be connected with a voice coil of the loudspeaker at a connecting position, the vibrating diaphragm comprises a first portion adjacent t the connecting position and a second portion spaced a distance from the connecting position. A strength of the first portion of the vibrating diaphragm is greater than a strength of the second portion of the vibrating diaphragm.
    Type: Application
    Filed: June 18, 2019
    Publication date: January 2, 2020
    Applicant: Harman International Industries, Incorporated
    Inventors: Kaifeng Sun, Xipeng Ye, Na Liu, Yi Chen