Patents by Inventor Alan D. Bell

Alan D. Bell 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).

  • Satellite solar band calibration source target apparatus
    Patent number: 5302823
    Abstract: The present invention is an off-axis collimator used to monitor the optoelectronic performance of a radiometer, which off-axis collimator is comprised of a single off-axis paraboloidal mirror, a broadband radiant energy source housed in an integrating sphere, detectors for monitoring the performance of the broadband radiant energy source, and a housing for the collimator.
    Type: Grant
    Filed: August 31, 1992
    Date of Patent: April 12, 1994
    Assignee: ITT Corporation
    Inventors: William M. Franklin, Alan D. Bell, Richard V. Annable