Patents by Inventor Richard R. Bedckman

Richard R. Bedckman 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).

  • LOST 2—a positioning system for under water vessels
    Patent number: 6819984
    Abstract: A system for the accurate determination of the position of an underwater vehicle comprising a system observer subsystem having a state velocity update module, a terrain matching module, means for generating a prediction of the terrain matching module's performance and a constrained extended Kalman filter subsystem. The constrained extended Kalman filter subsystem includes a steady state extended Kalman filter, a non-linear constraint module, and a state predictor.
    Type: Grant
    Filed: May 11, 2001
    Date of Patent: November 16, 2004
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Richard R. Bedckman, Andrew B. Martinez, Brian S. Bourgeois