Patents by Inventor David N. Ruff

David N. Ruff 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).

  • Pinless dithering assembly for data reading
    Patent number: 6230976
    Abstract: A scanning system and method of data reading in which the scanning system is provided with a dithering assembly that is compact, easy to assemble, and configured to protect the more delicate scanning components, such as flexures, from damage due to external mechanical shock. In a preferred construction, the dithering assembly includes a dither mount and a mirror mount, each mount having an arm adapted to matingly engage one another. In particular, the dither mount arm may include a socket configured to receive a ball member protruding from the mirror mount arm.
    Type: Grant
    Filed: October 19, 1998
    Date of Patent: May 15, 2001
    Assignee: PSC Scanning, Inc.
    Inventors: Christopher F. Sautter, James J. Jensen, David N. Ruff, Charles A. Orlick