Patents Examined by Pascal Bui-Pho
  • Optical detector having a sensing element, a lens and a frustum coupled to the lens
    Patent number: 7576311
    Abstract: A detector having a field of view in elevation on the order of one hundred eighty degrees in one plane and three hundred sixty degrees in a perpendicular plane includes a generally hemispherical lens in combination with an optical frustum. The combination directs incident radiant energy within the field of view onto a centrally located sensor.
    Type: Grant
    Filed: September 13, 2005
    Date of Patent: August 18, 2009
    Assignee: Lockheed Martin Corporation
    Inventor: C. Gilbert Young