Patents by Inventor Joris A. M. Nieuwendijk

Joris A. M. Nieuwendijk 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).

  • Deflection unit for a color television display tube
    Patent number: 4229720
    Abstract: A deflection unit for a color television display tube 1 having a field deflection coil 8 and a line deflection coil 7, in which the line deflection coil is formed by two diametrically oppositely positioned coil portions which, on the side adjacent the tube's screen, have a flared end 17 having a profile with a path length 22 which is longer than the path length 23 of the contour of the outer surface of the tube, so that raster defects are smaller than when the profile of the flared ends conforms to the contour of the tube surface.
    Type: Grant
    Filed: January 10, 1979
    Date of Patent: October 21, 1980
    Assignee: U.S. Philips Corporation
    Inventors: Werner A. L. Heijnemans, Joris A. M. Nieuwendijk, Nicolaas G. Vink
  • Deflection unit for an in-line color cathode-ray tube
    Patent number: 4200851
    Abstract: A deflection unit for use in a color cathode-ray tube of the in-line type and having a line and a frame deflection winding, which deflection unit can be made to be self-converging for cathode-ray tubes of the same series having different screen formats by moving the line and frame deflection windings with respect to each other.
    Type: Grant
    Filed: August 15, 1978
    Date of Patent: April 29, 1980
    Assignee: U.S. Philips Corporation
    Inventors: Joris A. M. Nieuwendijk, Nicolaas G. Vink