Patents by Inventor Ken Pletzer

Ken Pletzer 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: 8481839
    Abstract: Disclosed herein are various systems and methods for audio and/or visual playback. A system can include a first data encoded according to a first file format, a second data encoded according to a second file format, and a file using the first and second data to enable synchronized audio and/or visual playback of the data on one or more receiving elements. In certain instances, at least a portion of the second data includes information relating to finger positions on a musical instrument.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: July 9, 2013
    Assignee: Optek Music Systems, Inc.
    Inventors: John R. Shaffer, Ken Pletzer
  • Publication number: 20100077306
    Abstract: Disclosed herein are various systems and methods for audio and/or visual playback. A system can include a first data encoded according to a first file format, a second data encoded according to a second file format, and a file using the first and second data to enable synchronized audio and/or visual playback of the data on one or more receiving elements. In certain instances, at least a portion of the second data includes information relating to finger positions on a musical instrument.
    Type: Application
    Filed: August 26, 2009
    Publication date: March 25, 2010
    Inventors: John R. Shaffer, Ken Pletzer