Patents by Inventor Mark Allen Thomson

Mark Allen Thomson 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 applying crosswires to a tension focus mask
    Patent number: 6604974
    Abstract: A method and apparatus for applying crosswires to a tension mask. The method includes winding crosswires around various drum assemblies and then using transfer devices to remove sections of crosswires and transfer them to tension mask frame assemblies.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: August 12, 2003
    Assignee: Thomson Licensing S.A.
    Inventors: James Edward Doty, Edward Richard Garrity, Jr., Mark Allen Thomson, Leonard Pratt Wilbur, Jr.
  • Color picture tube having a low expansion tension mask attached to a higher expansion frame
    Patent number: 6455992
    Abstract: The present invention provides an improvement in a color picture tube having a tension mask supported by a support frame mounted within said tube. The mask has a significantly lower coefficient of thermal expansion than the frame. The frame has two substantially parallel cantilevered members, each member has a distal edge to which the tension mask is attached. At least one of the distal edges has two sections separated by a gap therebetween. The two sections include an inner section and an outer section. The mask is glued to the inner section and is welded to the outer section.
    Type: Grant
    Filed: April 12, 1999
    Date of Patent: September 24, 2002
    Assignee: Thomson Licensing S.A.
    Inventors: Mark Allen Thomson, Edward Richard Garrity, Jr., James Francis Edwards
  • Method and apparatus for applying crosswires to a tension focus mask
    Publication number: 20020102901
    Abstract: A method and apparatus for applying crosswires to a tension mask. The method includes winding crosswires around various drum assemblies and then using transfer devices to remove sections of crosswires and transfer them to tension mask frame assemblies.
    Type: Application
    Filed: December 22, 2000
    Publication date: August 1, 2002
    Inventors: James Edward Doty, Edward Richard Garrity, Mark Allen Thomson, Leonard Pratt Wilbur