Patents by Inventor Mark Andrew Hayner

Mark Andrew Hayner 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).

  • Miniature moving coil loudspeaker with ferrofluid
    Patent number: 11297412
    Abstract: Various implementations include loudspeaker drivers. In some aspects, an electro-acoustic driver includes: a cup section; a core section at least partially housed in the cup section, the core section including: a primary magnet; and a coin adjacent to the primary magnet; a bobbin surrounding the core section between the cup section and the core section, where the bobbin and the core section define an inner magnetic gap; a coil surrounding the bobbin and a portion of the core section; and a ferrofluid located at the inner magnetic gap, where the driver has an outer diameter less than or equal to approximately 10 millimeters.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: April 5, 2022
    Assignee: Bose Corporation
    Inventors: Weidong Zhu, Mark Andrew Hayner, Csaba Guthy
  • MINIATURE MOVING COIL LOUDSPEAKER WITH FERROFLUID
    Publication number: 20210266659
    Abstract: Various implementations include loudspeaker drivers. In some aspects, an electro-acoustic driver includes: a cup section; a core section at least partially housed in the cup section, the core section including: a primary magnet; and a coin adjacent to the primary magnet; a bobbin surrounding the core section between the cup section and the core section, where the bobbin and the core section define an inner magnetic gap; a coil surrounding the bobbin and a portion of the core section; and a ferrofluid located at the inner magnetic gap, where the driver has an outer diameter less than or equal to approximately 10 millimeters.
    Type: Application
    Filed: February 24, 2020
    Publication date: August 26, 2021
    Inventors: Weidong Zhu, Mark Andrew Hayner, Csaba Guthy