Patents by Inventor David S. Arnold

David S. Arnold 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).

  • Method and apparatus for correcting color component focusing in a rear-projection television set
    Patent number: 6377317
    Abstract: A rear-projection television set in which two different dynamic focusing waveforms are used. The first dynamic focusing waveform is used only to focus an electron beam in a CRT generating the blue component of the picture being displayed. The second dynamic focusing waveform is used to focus the electron beam in the CRTs generating the red and green components of the picture being displayed. In this way, the resulting picture is better focused without flare or blue edging and displays better color uniformity over the entirety of the television screen.
    Type: Grant
    Filed: April 8, 1999
    Date of Patent: April 23, 2002
    Assignees: Sony Corporation, Sony Electronics, Inc.
    Inventors: Hirohide Kiga, Thomas A. Marflak, David S. Arnold