Patents by Inventor Gary L. Mrotek

Gary L. Mrotek 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).

  • CRT magnetic field compensation
    Patent number: 4864192
    Abstract: As CRT display is housed in a magnetic shield to reduce the image distortions caused by the external magnetic field produced by an NMR scanner. To further improve image quality, three sets of compensating coils are positioned around the CRT display and inside the shield to produce magnetic fields which offset the effects of the residual external magnetic field components that penetrate the shield or enter through the window in the shield used to view the CRT screen.
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: September 5, 1989
    Assignee: General Electric Company
    Inventors: Randall H. Buchwald, Gary L. Mrotek