Patents by Inventor James B. MacHaffie

James B. MacHaffie 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).

  • IR sensor for a scanned staggered element linear array having improved cold shielding
    Patent number: 5075553
    Abstract: The invention relates to a cold shielding arrangement for use with either an individual staggered element linear IR array or a staggered arrangement of a plurality of such arrays. The cold shielding arrangement consists of a slitted plate spaced from the arrays, each slit being arranged to restrict the field of view of the pixels in both columns of one array in the scanning direction, and a pair of interdigitated pixel level cold shields set on the surface of each array to restrict the field of view of the pixels in the resolution direction.
    Type: Grant
    Filed: October 23, 1989
    Date of Patent: December 24, 1991
    Assignee: General Electric Company
    Inventors: Milton L. Noble, James B. MacHaffie, Howard P. Steiner