Patents by Inventor Jian-Zong Lee

Jian-Zong Lee 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).

  • Diffuser and loudspeaker
    Patent number: 10667044
    Abstract: A diffuser includes a cone body including an apex portion, a bottom portion, and a side edge portion. The apex portion forms a partial spherical surface, and the side edge portion is aspherical and is connected between the apex portion and the bottom portion. The apex portion satisfies: 2R/3?r?R, where r is a radius of curvature of the apex portion, and R is a radius of curvature of a spherical diaphragm of a tweeter speaker. A loudspeaker including a tweeter speaker and a diffuser is also provided.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: May 26, 2020
    Assignee: Wistron Corporation
    Inventors: Li-Ping Pan, Ta-Yuan Tai, Jian-Zong Lee, I-Chun Wu, Ching-Fu Hsu, Cheng-Hsing Liu
  • DIFFUSER AND LOUDSPEAKER
    Publication number: 20200053454
    Abstract: A diffuser includes a cone body including an apex portion, a bottom portion, and a side edge portion. The apex portion forms a partial spherical surface, and the side edge portion is aspherical and is connected between the apex portion and the bottom portion. The apex portion satisfies: 2R/3?r?R, where r is a radius of curvature of the apex portion, and R is a radius of curvature of a spherical diaphragm of a tweeter speaker. A loudspeaker including a tweeter speaker and a diffuser is also provided.
    Type: Application
    Filed: November 16, 2018
    Publication date: February 13, 2020
    Applicant: Wistron Corporation
    Inventors: Li-Ping Pan, Ta-Yuan Tai, Jian-Zong Lee, I-Chun Wu, Ching-Fu Hsu, Cheng-Hsing Liu