Patents by Inventor Hugh E. Frohbach

Hugh E. Frohbach 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).

  • Method of storing digital video, audio and control information on an an optical storage medium
    Patent number: 5343458
    Abstract: The present invention relates to video recording and playback techniques and devices which create relative movement between a laser and an optical medium such as a flexible optical tape to permit the recording of different bandwidth signals. Further, the present invention relates to video recording and playback techniques and devices which optimize relative movement between a laser source and the optical medium in a cost-effective manner.
    Type: Grant
    Filed: September 15, 1992
    Date of Patent: August 30, 1994
    Assignee: SamSung Electronics Co., Ltd.
    Inventors: Louis F. Schaefer, Hugh E. Frohbach, Gerald A. Pierce, Norman A. Peppers