Patents by Inventor David C. Dailey

David C. Dailey 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: 4825388
    Abstract: A computer graphics apparatus and a method for allowing the comparison of two or more digitally-stored images on a raster-scan display device, such as a cathode ray tube (CRT), by use of arithmetic or Boolean logic operations performed on the picture elements (pixels) in each image which are to be superimposed at a given display pixel on the CRT. The invention provides the features of color lookup tables, continuous zoom and roam logic and high-speed processing in a computer graphics apparatus for digital image comparison.
    Type: Grant
    Filed: April 1, 1986
    Date of Patent: April 25, 1989
    Assignee: Princeton Gamma Tech., Inc.
    Inventors: David C. Dailey, Richard B. Mott