Patents by Inventor Frederick J. Wysocki

Frederick J. Wysocki 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).

  • Letter box line blackener for the HDTV/conventional-analog hybrid system
    Patent number: 7079192
    Abstract: A blackener for letter box lines associated with a HDTV/conventional-analog hybrid television transmission where the blackener counts horizontal sync pulses contained in the HDTV/conventional-analog hybrid television transmission and determines when the HDTV/conventional-analog hybrid television transmission is in letter-box lines: if it is, then the blackener sends substitute black signal to an output; and if it is not, then the blackener sends the HDTV/conventional-analog hybrid television transmission to the output.
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: July 18, 2006
    Assignee: The Regents of the University of California
    Inventors: Frederick J. Wysocki, George H. Nickel