Patents by Inventor Eric S. Hamby

Eric S. Hamby 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).

  • Feed forward and feedback toner concentration control for an imaging system
    Patent number: 6160970
    Abstract: The present invention generally relates to an imaging system, and more specifically, a method and apparatus for accurately predicting toner usage and hence toner dispensing requirements in an imaging system. More, specifically, the present invention relates to a toner concentration control system for maintaining toner concentration in a developer structure, which is connected to a dispenser containing toner.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: December 12, 2000
    Assignee: Xerox Corporation
    Inventors: Mark A. Scheuer, John Buranicz, Patricia J. Donaldson, Paul A. Garsin, Eric M. Gross, Eric S. Hamby, Daniel W. MacDonald, Prasad P. Padmanabhan, Edward W. Smith, Jr., Joseph W. Ward