Patents by Inventor James Windmill

James Windmill 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).

  • Acoustic devices
    Patent number: 11234086
    Abstract: An acoustic device, comprising: a device body comprising: an acoustic membrane having a first surface and a second surface opposite the first surface; and at least one acoustic cavity formed adjacent the first surface of the acoustic membrane; a plurality of piezoelectric beam resonators supported over the first surface of the acoustic membrane and separated from the first surface by the at least one acoustic cavity, each of the plurality of piezoelectric beam resonators having at least one different natural frequency; wherein each of the plurality of piezoelectric beam resonators is configured to oscillate in response to sound pressure waves incident at the acoustic device.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: January 25, 2022
    Assignee: HEMIDEINA PTY LTD
    Inventors: Kathryn Lomas, Andrew Reid, Toby McSweeney, Daniel Trott, James Windmill, Joseph Jackson
  • ACOUSTIC DEVICES
    Publication number: 20210321207
    Abstract: An acoustic device, comprising: a device body comprising: an acoustic membrane having a first surface and a second surface opposite the first surface; and at least one acoustic cavity formed adjacent the first surface of the acoustic membrane; a plurality of piezoelectric beam resonators supported over the first surface of the acoustic membrane and separated from the first surface by the at least one acoustic cavity, each of the plurality of piezoelectric beam resonators having at least one different natural frequency; wherein each of the plurality of piezoelectric beam resonators is configured to oscillate in response to sound pressure waves incident at the acoustic device.
    Type: Application
    Filed: January 10, 2020
    Publication date: October 14, 2021
    Applicant: HEMIDEINA PTY LTD
    Inventors: Kathryn Lomas, Andrew Reid, Toby McSweeney, Daniel Trott, James Windmill, Joseph Jackson