Patents by Inventor Antonius P. M. Grubben

Antonius P. M. Grubben 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 including a line balance coil
    Patent number: 6016093
    Abstract: A deflection unit having a hollow synthetic material coil support within which a line deflection coil system is arranged, which line deflection coils are connected in an electric circuit to a line balance coil arrangement comprising a cylinder which is provided with two sub-coils and within which a magnet core is movably arranged. The coil cylinder is secured to the coil support and is provided with an arrangement of metal (connection) strips which ensure a direct connection between the balance coil lead-outs, the line deflection coils and a tap.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: January 18, 2000
    Assignee: U.S. Philips Corporation
    Inventors: Antonius P. M. Grubben, Jacobus J. M. Van De Meerakker
  • Cathode ray tube with flexible mount for deflection unit
    Patent number: 5804913
    Abstract: A cathode ray tube (1) including an electron gun (6) for generating at least one electron beam and a deflection unit for deflecting the electron beam(s) across a display screen. The deflection unit (11) includes a first system (21) and a second system (22, 32) of saddle-shaped deflection coils. Which are interconnected via connecting pieces (41, 51, 63, 64) which are flexibly arranged with respect to each other.
    Type: Grant
    Filed: April 1, 1996
    Date of Patent: September 8, 1998
    Assignee: U.S. Philips Corporation
    Inventors: Antonius P. M. Grubben, Edward P. V. Maesen, Johannes H. F. C. Sieben
  • Cathode ray tube with temperature compensated deflection unit
    Patent number: 5714834
    Abstract: A cathode ray tube is provided with a deflection unit. The yoke is secured to a flange of a coil holder by means of connecting elements. These connecting elements are flexible in the radial direction so that differences in thermal expansion between the yoke and the rest of the deflection unit are compensated in a flexible manner. By virtue thereof, movement of the yoke relative to the coils, which leads to an irreversible change of the deflection fields, is precluded or is at least less likely.
    Type: Grant
    Filed: June 16, 1997
    Date of Patent: February 3, 1998
    Assignee: U.S. Philips Corporation
    Inventors: Joannes H. F. C. Sieben, Wilhelmine C. S. M. Van Aken, Antonius P. M. Grubben, Edward P. V. Maesen, Hendrik D. Van Den Berg, Elisabeth L. M. Ter Burg
  • Cathode ray tube and deflection unit suitable for use in such a cathode ray tube
    Patent number: 5194785
    Abstract: An electromagnetic deflection unit (7) coaxially surrounds a part of the envelope (1) of a cathode array tube. The deflection unit (7) comprises a coil support (8) and a deflection coil system (11, 11') which is located between the coil support (8) and the envelope (1). Each end portion (18, 18') of the coils (11, 11') is located exclusively on the side of the front flange (16, 16') of the associated coil (11, 11') facing away from the envelope (1). By virtue thereof, the deflection unit (7) can be tilted relative to the envelope (1) such that a sufficient degree of convergence of electron beams on the display screen of the cathode ray tube is obtained.
    Type: Grant
    Filed: December 3, 1991
    Date of Patent: March 16, 1993
    Assignee: U.S. Philips Corporation
    Inventors: Antonius P. M. Grubben, Johannus T. F. van Kemenade, Jacobus J. M. van de Meerakker