Patents by Inventor Robert John Speer

Robert John Speer 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).

  • Scanning monochromator and concave reflecting grating employed therein
    Patent number: 4027975
    Abstract: A scanning monochromator or spectrometer having a reflecting grating whose curvature in the meridian plane is equal to the curvature of a circle upon which the source, detecting means and grating lie and whose lines are ruled with a frequency which varies systematically and directly in proportion to the distance of the lines from a point of origin on the track as determined by the geometry of the equipment, and gratings therefor.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: June 7, 1977
    Assignee: National Research Development Corporation
    Inventors: David Turner, Robert John Speer