Patents by Inventor Robert E. Krallinger

Robert E. Krallinger 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).

  • Facsimile transceiver
    Patent number: 4005257
    Abstract: A compact facsimile transceiver occupying minimum space includes a straight-line transmitter section and a receiver section disposed beneath a portion of the transmitter. The transmitter transports documents through its scanner section, one by one in essentially a straight line by means of simplified and improved paper-handling apparatus which holds the documents flat. An editor in the transmitter permits segments of the documents being transmitted to be selectively deleted from the transmission. The receiver includes a simple and efficient paper-cutter mechanism and paper-transporting apparatus.
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: January 25, 1977
    Assignee: Graphic Sciences, Inc.
    Inventors: Robert E. Krallinger, Vladimir Ignatjev, Ralph K. Rand, Matthew Joseph Costello
  • Optical scanner
    Patent number: 3992623
    Abstract: A folded retro-reflective optical scanner using common major optics for both scanning and reading and achieving a long scan line (8.25 inches) with a short throw distance and little bow. Astigmatic effects in the reading beam are minimized by utilizing only the center portion of the return beam for reading.
    Type: Grant
    Filed: March 14, 1975
    Date of Patent: November 16, 1976
    Assignee: Graphic Sciences, Inc.
    Inventors: Richard W. Rhyins, Ralph Rand, Matthew J. Costello, Robert E. Krallinger