Patents by Inventor James J. Campanile

James J. Campanile 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).

  • Hemispherical resonator gyro control
    Patent number: 7318347
    Abstract: Embodiments of the present system encompass: a hemispherical resonator gyro (HRG); digital control loop algorithms which operate in two, distinct modes, Force to Rebalance (FTR) and Whole Angle (WA); and a closed-loop slewing-voltage phase control that reduces quadrature error when the hemispherical resonator gyro transitions from WA to FTR.
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: January 15, 2008
    Assignee: Northrop Grumman Corporation
    Inventors: David D. Lynch, Ryan R. Savava, James J. Campanile