Patents by Inventor Craig D. Fields

Craig D. Fields 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).

  • Digital stereo sound enhancement unit and method
    Patent number: 5274708
    Abstract: A method and apparatus for processing digital stereo signals in a stereo system having a left and right channel in which digital information corresponding to the left and right channels is read from a source of digital information. The left and right channels of information are duplicated and various duplicated signals are processed by predetermined functions. The duplicated signals are manipulated by a plurality of user-defined functions to form a space signal, which is combined with other signals to form left and right output signals.
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: December 28, 1993
    Assignee: Fusan Labs, Inc.
    Inventors: Craig D. Fields, John M. Brooks