Patents by Inventor ZAN-HUA LIU

ZAN-HUA LIU 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).

  • Double-sided vibrating speaker
    Patent number: 11832075
    Abstract: A double-sided vibrating speaker includes a magnet member, a first vibration member and a second vibration member. The magnet member has a main magnetic unit, a first magnetic unit and a second magnetic unit, the main magnetic unit has a main magnetic plate and two side magnetic plates, the main magnetic plate has air vents, each the side magnetic plate is provided on two sides of the main magnetic plate, the main magnetic unit forms an H-shape. The first vibration member is disposed on one surface of the magnet member, the second vibration member is disposed on another surface of the magnet member.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: November 28, 2023
    Assignee: FORTUNE GRAND TECHNOLOGY INC.
    Inventors: Jian Lv, Ming-Jun Zeng, Yi-Yong Li, Zan-Hua Liu
  • Thin double-sided vibrating speaker
    Patent number: 11632609
    Abstract: A thin double-sided vibrating speaker includes a magnet member, a first vibration assembly and a second vibration assembly; the magnet member includes a main magnetic plate, a first magnetic path unit, a second magnetic path unit and side magnetic path units, the first magnetic path unit is disposed on one surface of the main magnetic plate, the second magnetic path unit is disposed on another surface of the main magnetic plate, the side magnetic path units are disposed on the main magnetic plate and correspond to two sides of the first magnetic path unit, the first vibration assembly is disposed on one surface of the magnet member, and the second vibration assembly is disposed on another surface of the magnet member. Accordingly, in addition to achieving the requirement of thinning, the thin double-sided vibrating speaker of the present disclosure also has the effect of vibration reduction and two-way sounding.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: April 18, 2023
    Assignee: FORTUNE GRAND TECHNOLOGY INC.
    Inventors: Ping-Yu Lee, Jian Lv, Yi-Yong Li, Zan-Hua Liu, Chun-Yan Zhang
  • DOUBLE-SIDED VIBRATING SPEAKER
    Publication number: 20220322013
    Abstract: A double-sided vibrating speaker includes a magnet member, a first vibration member and a second vibration member. The magnet member has a main magnetic unit, a first magnetic unit and a second magnetic unit, the main magnetic unit has a main magnetic plate and two side magnetic plates, the main magnetic plate has air vents, each the side magnetic plate is provided on two sides of the main magnetic plate, the main magnetic unit forms an H-shape. The first vibration member is disposed on one surface of the magnet member, the second vibration member is disposed on another surface of the magnet member.
    Type: Application
    Filed: March 23, 2022
    Publication date: October 6, 2022
    Inventors: JIAN LV, MING-JUN ZENG, YI-YONG LI, ZAN-HUA LIU