Patents by Inventor Göran Asemyr

Göran Asemyr 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).

  • Method and a system for detecting impurities in a transparent material
    Patent number: 6768544
    Abstract: In a method for detecting impurities in a transparent material, the material (2) is scanned line by line and the light transmission through the material is measured and compared with a reference value. If the transmission value at one point of the material is in a predetermined relation to said reference value, indicating the occurrence of impurities, the light transmission is studied in an area around the measured point for this transmission value in order to determine the extent and shape of the impurity, the light transmission values in the central area of the impurity being compared with transmission values measured in surrounding parts of the impurity to determine whether the impurity is of gel type or an impurity of some other type.
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: July 27, 2004
    Assignee: Semyre Photonic Systems AB
    Inventor: Göran Asemyr