Patents by Inventor Dieter Schlenzig

Dieter Schlenzig 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).

  • Omni-directional sound system
    Patent number: 5886304
    Abstract: In an omni-directional sound system such as a sound-light combination arrangement having at least one loudspeaker and optionally at least one light source, a bass loudspeaker arrangement includes a cylindrical casing having end walls at which are installed a bass loudspeaker and an insert casing respectively. The insert casing forms one or more bass reflection spaces within the casing. A sound deflection cone is arranged with its tip opposite the bass loudspeaker.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: March 23, 1999
    Inventors: Dieter Schlenzig, Thomas Apfel