Patents by Inventor Andrew John Flewitt

Andrew John Flewitt 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).

  • Patent number: 8630435
    Abstract: Apparatus for compensating for pressure changes in an acoustic transducer system includes a skeleton member having a predetermined configuration and adsorbent material having a regular structure and being supported on the skeleton member. The apparatus may include a plurality of members, each of the plurality of members having a plurality of hollows formed therein, at least one main surface of each of the plurality of members substantially facing and spaced apart from a main surface of an adjacent one of the plurality of members, and the adsorbent material may be provided within each of the plurality of hollows.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: January 14, 2014
    Assignee: Nokia Corporation
    Inventors: Tim John Mellow, Asta Maria Karkkainen, Andrew John Flewitt
  • Publication number: 20100034411
    Abstract: Apparatus for compensating for pressure changes in an acoustic transducer system includes a skeleton member having a predetermined configuration and adsorbent material having a regular structure and being supported on the skeleton member. The apparatus may include a plurality of members, each of the plurality of members having a plurality of hollows formed therein, at least one main surface of each of the plurality of members substantially facing and spaced apart from a main surface of an adjacent one of the plurality of members, and the adsorbent material may be provided within each of the plurality of hollows.
    Type: Application
    Filed: March 26, 2009
    Publication date: February 11, 2010
    Inventors: Tim John Mellow, Asta Maria Karkkainen, Andrew John Flewitt