Patents by Inventor James F Winter

James F Winter 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).

  • Loudspeaker having adjustable magnet
    Patent number: 8300874
    Abstract: Loudspeakers are provided that include a moveable magnet that can be positioned relative to the speaker piston. A user of the loudspeaker may position the moveable magnet to achieve a desired tone, distortion, or other sound without requiring the loudspeaker to be operated at an undesirable sound pressure level. The loudspeaker may include an indicator showing the relative position of the magnet relative to the piston to the user.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: October 30, 2012
    Inventor: James F Winter
  • Loudspeaker Having Adjustable Magnet
    Publication number: 20100322459
    Abstract: Loudspeakers are provided that include a moveable magnet that can be positioned relative to the speaker piston. A user of the loudspeaker may position the moveable magnet to achieve a desired tone, distortion, or other sound without requiring the loudspeaker to be operated at an undesirable sound pressure level. The loudspeaker may include an indicator showing the relative position of the magnet relative to the piston to the user.
    Type: Application
    Filed: June 19, 2009
    Publication date: December 23, 2010
    Inventor: James F. Winter