Patents by Inventor Andrew R. Runnalls

Andrew R. Runnalls 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).

  • Apparatus incorporating recursive estimators
    Patent number: 4786908
    Abstract: An apparatus incorporating recursive estimators, more particularly apparatus for measuring the state of a dynamic system using a recursive estimator for modelling the dynamic behavior of the system, and navigation systems using a recursive estimator for navigation integration. Also disclosed are novel methods of updating the inputs to the estimators of such apparatus and systems.
    Type: Grant
    Filed: May 15, 1986
    Date of Patent: November 22, 1988
    Assignee: GEC Avionics Limited
    Inventor: Andrew R. Runnalls