Patents by Inventor Antero Johannes TOSSAVAINEN

Antero Johannes TOSSAVAINEN 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).

  • Shielded audio apparatus
    Patent number: 9369787
    Abstract: An apparatus including a transducer membrane for generating sound waves; and a plate, through which sound waves can pass, at least partially overlaying the transducer membrane configured to produce a magnetically shielded region so to impede particles reaching the transducer membrane.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: June 14, 2016
    Assignee: Nokia Technologies Oy
    Inventors: Antero Johannes Tossavainen, Veijo Kajanus, Jian Guo
  • Shielded Audio Apparatus
    Publication number: 20140355812
    Abstract: An apparatus including a transducer membrane for generating sound waves; and a plate, through which sound waves can pass, at least partially overlaying the transducer membrane configured to produce a magnetically shielded region so to impede particles reaching the transducer membrane.
    Type: Application
    Filed: June 3, 2013
    Publication date: December 4, 2014
    Inventors: Antero Johannes TOSSAVAINEN, Veijo KAJANUS, Jian GUO