Patents by Inventor Donald C. Lerch

Donald C. Lerch 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: 4277689
    Abstract: An optical character reader for conversion of information to a machine readable code from a strip of alpha-numeric characters on the face of a document. It includes an elongated document slot along which the document may be hand guided through a predetermined path. Optical viewing means is provided across a scan line intersecting the path of the alpha-numeric characters. A character scanning assembly electronically generates images of each character. Recognition processing means encodes these images into a machine readable code. All of the physical, optical and electronic components are contained within a compact single enclosure.
    Type: Grant
    Filed: December 12, 1979
    Date of Patent: July 7, 1981
    Assignee: Key Tronic Corporation
    Inventors: Robert J. Thomas, Michael Piekarski, Gary B. Morgan, John Rank, William O. Thurman, Donald C. Lerch