Patents by Inventor Johannes H. F. C. Sieben

Johannes H. F. C. Sieben 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).

  • 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