Patents by Inventor Walter C. Chiou

Walter C. Chiou 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).

  • Square anti-symmetric uniformly redundant array coded aperture imaging system
    Patent number: 5606165
    Abstract: A square anti-symmetric uniformly redundant array coded aperture includes transparent and opaque cells and exhibits a normal mask pattern at a first position and a complementary mask pattern when rotated to a second position rotationally offset by 90.degree. from the first position. The coded aperture is utilized in a coded aperture imaging system for imaging a source of non-focusable radiation such as a gamma ray or x-ray emitting source.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: February 25, 1997
    Assignee: AIL Systems Inc.
    Inventors: Walter C. Chiou, Richard C. Augeri