Patents Represented by Attorney Milton Lee

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  • Afocal lens system
    Patent number: 5282083
    Abstract: An afocal lens assembly which includes a first and second lens group used r testing an infrared detector assembly. The first lens group includes three lens elements and the second lens group includes four lens elements. The output of the lens assembly includes up to a 60 degree collimated field-of-view. The lens elements are infrared transmissive.
    Type: Grant
    Filed: March 31, 1992
    Date of Patent: January 25, 1994
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: John M. Hall