Patents by Inventor Craig P. Ephraim

Craig P. Ephraim 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: 5634089
    Abstract: In an arrangement in which compressed image data including color image information is to be directed to a printer in streams of data including Sample data, Mask data, Color data and Command or instruction data, wherein the compressed data is directed along a bus, data is retrieved from the bus, with instructions from a fetcher which includes direct memory access (DMA), and is directed to several data type specific FIFO memories. A combiner, operating in accordance with instructions stored in a command FIFO, removes data from the Sample, Mask and Constant Color FIFO's in accordance with the desired image requirements as specified by Command data to form an output image.
    Type: Grant
    Filed: October 2, 1995
    Date of Patent: May 27, 1997
    Assignee: Xerox Corporation
    Inventors: Christopher Kulbida, Craig P. Ephraim, Russell R. Atkinson