Patents by Inventor Olov stberg

Olov stberg 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).

  • Means for measuring picture quality
    Patent number: 5400667
    Abstract: The invention relates to a way for subjective, graphical measurement of picture sharpness/picture quality. Measuring and assessing picture quality have so far been a time-consuming chore for laboratory engineers having access to expensive and complicated electro-optical measuring equipments. The way described enables an unknown text object to be measured with respect to objective and subjective picture quality using for example a series of previously measured paper pictures in a simple and reliable way.
    Type: Grant
    Filed: March 24, 1993
    Date of Patent: March 28, 1995
    Assignee: Televerket
    Inventors: Yingduo Feng, Olov stberg