Patents by Inventor Henry A. Schweitz

Henry A. Schweitz 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).

  • Display device and cathode ray tube
    Patent number: 5682077
    Abstract: A display device comprising a cathode ray tube is provided with a holder which comprises a faceplate and which is arranged in front of the display window. The space between the faceplate and the display window is filled with a liquid or a gel. An improved image display, in particular an improved contrast and a flatter image are obtained.
    Type: Grant
    Filed: May 20, 1996
    Date of Patent: October 28, 1997
    Assignee: U.S. Philips Corporation
    Inventors: Peterus H. C. Hanssen, Martinus A. M. Van Den Heuvel, Johannes M. G. Verhoeven, Henry A. Schweitz, Adrianus L. G. Van Den Eeden
  • Method for working the funnel portion of a cathode ray tube
    Patent number: 4718203
    Abstract: A method of and a device for working the sealing edge of a funnel portion for a cathode ray tube during a plurality of working phases. A number of funnel portions are simultaneously worked in successive working units. Each unit comprises a centering device for centering and bringing the funnel portion into a stationary working position. The funnel portions are simultaneously transported from one unit to another by a common transport device.
    Type: Grant
    Filed: August 2, 1982
    Date of Patent: January 12, 1988
    Assignee: U.S. Philips Corporation
    Inventors: Henry A. Schweitz, Rienk Weening