Patents by Inventor Eugene Julius Christensen

Eugene Julius Christensen 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).

  • Air motion transformer passive radiator for loudspeaker
    Patent number: 10284945
    Abstract: The present invention provides an improved passive radiator device by utilizing a stacked construction in which there exist two or more generally parallel and separate movable diaphragm sections, in which the relative motion of adjacent diaphragm sections will either move toward each other, or away from each other, as air pressure or sound waves emanating from the interior of a loudspeaker cabinet impinges upon the interior air openings of the present invention.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: May 7, 2019
    Inventor: Eugene Julius Christensen
  • Air motion transformer passive radiator for loudspeaker
    Publication number: 20180152782
    Abstract: The present invention provides an improved passive radiator device by utilizing a stacked construction in which there exist two or more generally parallel and separate movable diaphragm sections, in which the relative motion of adjacent diaphragm sections will either move toward each other, or away from each other, as air pressure or sound waves emanating from the interior of a loudspeaker cabinet impinges upon the interior air openings of the present invention.
    Type: Application
    Filed: November 30, 2016
    Publication date: May 31, 2018
    Inventor: Eugene Julius Christensen