Patents by Inventor Sheldon A. Knight

Sheldon A. Knight 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).

  • Patent number: 3955891
    Abstract: A correlation spectrometer which utilizes Hadamard matrix spatial filters on the input and exit sides, the second filter being a composite filter whose elements can be chosen such that the spectrometer output is proportional to any arbitrary linear combination of source spectral intensities.
    Type: Grant
    Filed: March 4, 1975
    Date of Patent: May 11, 1976
    Assignee: Quantic Industries, Inc.
    Inventors: Sheldon A. Knight, Max Daehler