Patents by Inventor Steven Warwick

Steven Warwick 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: 5569871
    Abstract: A musical tone generating apparatus employs an array of microresonant structures to generate the harmonic component signals of a musical tone to be generated. The microresonant structures produce high frequency signals which are down converted to audio frequency range by mixing them with a high frequency reference signal. The desired tone color is achieved by modifying the relative amplitudes of the harmonic component signals to produce a desired tone color. A large number of microresonators are preferably integrated on a single integrated circuit substrate to provide a variable tone generating system in a relatively compact environment.
    Type: Grant
    Filed: June 14, 1994
    Date of Patent: October 29, 1996
    Assignee: Yamaha Corporation
    Inventors: James A. Wheaton, Erling Wold, John Strawn, Steven Warwick