Patents by Inventor Steve R. Redfield

Steve R. Redfield 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).

  • System and method for photorefractive holographic recording and signal processing
    Patent number: 4927220
    Abstract: A photorefractive crystallyte array for image recording and signal processing is disclosed. The photorefractive crystallytes are configured as a two-dimensional array of selected position and spacing designed, for example, to coincide with the spatial frequency components of an associated optical image, such as a Fourier transform image, and to permit optical signal processing.
    Type: Grant
    Filed: December 31, 1987
    Date of Patent: May 22, 1990
    Assignee: Microelectronic & Computer Technology Corp.
    Inventors: Lambertus Hesselink, Steve R. Redfield