Patents by Inventor William W. Dorsey

William W. Dorsey 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).

  • Actively stabilized platform system
    Patent number: 5922039
    Abstract: A stabilized platform useable for various purposes to provide compensation for motion in two axes, such as pitch and roll on a ship. The system operates independently of the object to be stabilized and without the use of gyroscopes by using accelerometers, position sensors and a proportional drive controller augmented with estimation and filtering.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: July 13, 1999
    Assignee: Astral, Inc.
    Inventors: Raymond V. Welch, William W. Dorsey, Stephen J. Fujikawa, Charles F. Settgast, David Reed