Patents by Inventor Andrei Manea

Andrei Manea 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).

  • Test signals and test signal generators
    Patent number: 5872592
    Abstract: A test pattern produced by a television signal generator includes picture elements derived at least substantially from helper lines, and vertically adjacent picture elements of substantially different luminance derived at least substantially from the main picture lines, so that the engineer can readily determine by visual inspection whether or not the helper lines are being decoded.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: February 16, 1999
    Assignee: Fluke Corporation
    Inventors: Andrei Manea, Thomas Scholz, Jens Wohlers, Rolf Putzhofen