Patents by Inventor Jeffery K. Permanian

Jeffery K. Permanian 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).

  • Publication number: 20170070823
    Abstract: A speaker driver with a high degree of symmetry for use in a loudspeaker is disclosed. The disclosed motor assembly may be symmetrical about its long and radial axes. A voice coil disclosed may be supported by opposing upper and lower suspension members on the voice coil upper and lower ends. The upper and lower voice coil suspension members disclosed may be adhered to a frame above and below the motor assembly, respectively in a mirror like fashion being symmetrical about their long and radial axes. An open voice coil frame disclosed may use elongate structural members having a shape similar to the letter ā€œjā€ (j-beams) defining large interconnected air gaps to promote cooling of the voice coil.
    Type: Application
    Filed: October 4, 2016
    Publication date: March 9, 2017
    Inventor: Jeffery K. Permanian
  • Patent number: 9485586
    Abstract: A speaker driver with a high degree of symmetry for use in a loudspeaker is disclosed. The disclosed motor assembly may be symmetrical about its long and radial axes. A voice coil disclosed may be supported by opposing upper and lower suspensions on the voice coil upper and lower ends. The upper and lower voice coil suspensions may be adhered to a frame above and below the motor assembly, respectively.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 1, 2016
    Inventor: Jeffery K Permanian
  • Publication number: 20140270323
    Abstract: A speaker driver with a high degree of symmetry for use in a loudspeaker is disclosed. The disclosed motor assembly may be symmetrical about its long and radial axes. A voice coil disclosed may be supported by opposing upper and lower suspensions on the voice coil upper and lower ends. The upper and lower voice coil suspensions may be adhered to a frame above and below the motor assembly, respectively.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Inventor: Jeffery K. Permanian