Patents by Inventor Thomas D. Springsteen

Thomas D. Springsteen 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).

  • Determining usability of a navigation augmentation system
    Patent number: 7365678
    Abstract: In one aspect, the invention is the system for assessing a navigation augmentation environment. The system includes a reference station for receiving messages from a satellite. The reference station has a known position. The system also includes a simulator for simulating an augmentation system by determining corrections based on the messages received and the known position of the reference station. The system further includes a monitoring system to render the corrections to a user in a form enabling determination of the usability of the augmentation system in the navigation augmentation environment.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: April 29, 2008
    Assignee: Raytheon Company
    Inventors: David R. Heine, Thomas D. Springsteen, Jeffrey W. Lewellen, Walter M. Golonka