Patents by Inventor Johannes O. C. M. Van De Plas

Johannes O. C. M. Van De Plas 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).

  • Color display tube having an electron gun with flashover inhibiting support structure
    Patent number: 5896002
    Abstract: A color display tube having an in-line electron gun. The in-line electron gun has two elongated supporting elements and is secured to the electrical leadthroughs in the neck by two pairs of supports. The distance between the supports is at least 3 mm. By virtue thereof, one or more supports can be connected to a high-voltage leadthrough without the risk of flashover between the supports.
    Type: Grant
    Filed: November 25, 1997
    Date of Patent: April 20, 1999
    Assignee: U.S. Philips Corporation
    Inventor: Johannes O. C. M. Van De Plas