Patents by Inventor Wilfred Rublack

Wilfred Rublack 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).

  • Screen for slotted aperture mask color television picture tube
    Patent number: 4066924
    Abstract: A black matrix screen for a slotted mask color television picture tube is printed using a shortened linear source of actinic radiation to result in deposition of black matrix material in the shadows of the mask webs appearing in the phosphor stripe area. Screen reflectivity is thereby reduced and contrast enhanced. By controlling vertical size of the black matrix material in the shadow cast by each respective web between vertically-adjacent slots, the tube may be made either positive or negative guardband in the vertical direction.
    Type: Grant
    Filed: July 11, 1975
    Date of Patent: January 3, 1978
    Assignee: General Electric Company
    Inventor: Wilfred Rublack