Patents Assigned to Xerox Corproation
  • Transfer roll engagement method for minimizing motion quality disturbances
    Patent number: 6731891
    Abstract: A method of maintaining a rotational velocity of an imaging drum in an image producing device includes constructing a table of a drive current for a transfer roll for a plurality of first distances between the imaging drum with the transfer roll, and utilizing the table to control the transfer roll drive to maintain a substantially constant imaging drum rotational velocity at each of the plurality of distances.
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: May 4, 2004
    Assignee: Xerox Corproation
    Inventors: James P. Calamita, Vincent M. Williams