Patents by Inventor Robert D. Peeters

Robert D. Peeters 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: 4722418
    Abstract: A loudspeaker enclosure, for a loudspeaker with a diaphragm, having a front wall, a mounting and spacing device for mounting the loudspeaker spaced from the front wall such that there is significant air friction in the back wave passing through the space between loudspeaker and front wall, and an aperture defined in the front wall which is substantially smaller than the diaphragm. The enclosure can include an elliptical panel mounted to the diaphragm and spaced from the front wall. The enclosure provides for a greater bass sound and a flattened frequency response curve, as well as other improved acoustic qualities.
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: February 2, 1988
    Inventor: Robert D. Peeters
  • Patent number: 4679651
    Abstract: A loudspeaker enclosure, for a loudspeaker with a diaphragm, having a front wall, a mounting and spacing device for mounting the loudspeaker spaced from the front wall, and an aperture defined in the front wall which is substantially smaller than the diaphragm. The enclosure can include an elliptical panel mounted to the diaphragm and spaced from the front wall. The enclosure provides for a greater bass sound and a flattened frequency response curve.
    Type: Grant
    Filed: December 2, 1982
    Date of Patent: July 14, 1987
    Inventor: Robert D. Peeters