Patents by Inventor William Keezer

William Keezer 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: 5027403
    Abstract: A sound projection apparatus for a video display device having left and right speakers, first and second ambience speakers, and an amplifier having a right channel and left channel. In this system, connection of the left channel to a speaker produces a left signal; the right channel to a speaker produces a right signal; the left and right channels to ambience circuitry produces an ambience channel; the ambience channel to the positive input of the first ambience speaker produces a first ambience signal and the ambience channel to the negative input of the second ambience speaker produces a second ambience signal. The left and right speakers are forward facing, projecting sound directly from the television to a viewer. The first and second ambience speakers are side or rearward facing, projecting sound indirectly to the viewer. The projection apparatus may be formed as a single cohesive unit, within or near the television.
    Type: Grant
    Filed: January 26, 1990
    Date of Patent: June 25, 1991
    Assignee: Bose Corporation
    Inventors: William Short, Christopher Ickler, Timothy Holl, William Keezer