Patents by Inventor Zereyacob Girma

Zereyacob Girma 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).

  • APPARATUS AND METHOD FOR SIMULTANEOUS MULTIPLE VIDEO CHANNEL VIEWING
    Publication number: 20070153122
    Abstract: A multiplexer interlaces first and second video signals to form a third video signal comprising fields from the first and second video signals in alternating sequence. A filter system enables a first person, when viewing the third video signal, to see the first video signal but not the second video signal and a second person, when viewing the third video signal simultaneously with the first person, to see the second video signal but not the first video signal.
    Type: Application
    Filed: December 30, 2005
    Publication date: July 5, 2007
    Inventors: Nii Ayite, Zereyacob Girma, Aung Naing