Patents by Inventor Darrell Seyler Adams

Darrell Seyler Adams 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).

  • Flat speaker driven by a single permanent magnet and one or more voice coils
    Patent number: 11310604
    Abstract: Embodiments are disclosed of a flat speaker containing a single permanent magnet, a yoke opposite the single permanent magnet, and one or more voice coil plates located between the single permanent magnet and the yoke. The one or more voice coil plates each comprise a bobbin and a coil arranged on one or both sides of the bobbin.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: April 19, 2022
    Assignee: Resonado, Inc.
    Inventors: Leeg Hyun Cho, Darrell Seyler Adams, Youngil Cho
  • FLAT SPEAKER DRIVEN BY A SINGLE PERMANENT MAGNET AND ONE OR MORE VOICE COILS
    Publication number: 20220070589
    Abstract: Embodiments are disclosed of a flat speaker containing a single permanent magnet, a yoke opposite the single permanent magnet, and one or more voice coil plates located between the single permanent magnet and the yoke. The one or more voice coil plates each comprise a bobbin and a coil arranged on one or both sides of the bobbin.
    Type: Application
    Filed: January 6, 2021
    Publication date: March 3, 2022
    Inventors: Leeg Hyun Cho, Darrell Seyler Adams, Youngil Cho
  • MULTI-DIAPHRAGM SPEAKER DRIVEN BY MULTIPLE VOICE COIL PLATES AND A SHARED PERMANENT MAGNET PAIR
    Publication number: 20210227330
    Abstract: Embodiments are disclosed of a speaker containing multiple diaphragms and multiple voice coils. Each diaphragm is driven by its own voice coil plate, and at least two of the voice coil plates share at least one or more parts of a permanent magnet pair. In some embodiments, the speaker generates bi-directional sound. Optionally, the multiple diaphragms are of varying sizes, such that the diaphragms are configured to transmit different frequency ranges.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 22, 2021
    Inventors: Leeg Hyun CHO, Youngil Cho, Darrell Seyler Adams
  • Multi-diaphragm speaker driven by multiple voice coil plates and a shared permanent magnet pair
    Patent number: 11044562
    Abstract: Embodiments are disclosed of a speaker containing multiple diaphragms and multiple voice coils. Each diaphragm is driven by its own voice coil plate, and at least two of the voice coil plates share at least one or more parts of a permanent magnet pair. In some embodiments, the speaker generates bi-directional sound. Optionally, the multiple diaphragms are of varying sizes, such that the diaphragms are configured to transmit different frequency ranges.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: June 22, 2021
    Assignee: Resonado, Inc.
    Inventors: Leeg Hyun Cho, Youngil Cho, Darrell Seyler Adams