Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7239819 | Tone reproduction curve (TRC) target adjustment strategy for actuator set points and color regulation performance trade off | Fan Shi, Mark S. Jackson | 2007-07-03 |
| 7228080 | System for active toner concentration target adjustments and method to maintain development performance | Eric S. Hamby, Yongsoon Eun, Lawrence Floyd, Jr., Joseph A. Mastrandrea | 2007-06-05 |
| 7123850 | Control system and method for mitigating transients in a machine due to occasional maintenance or service | Eric S. Hamby, Yongsoon Eun, Lawrence Floyd, Jr., Jack T. LeStrange, James M. Chappell +1 more | 2006-10-17 |
| 7120369 | Method and apparatus for correcting non-uniform banding and residual toner density using feedback control | Eric S. Hamby, R. Enrique Viturro, Michael D. Thompson, Howard A. Mizes | 2006-10-10 |
| 7058325 | Systems and methods for correcting banding defects using feedback and/or feedforward control | Eric S. Hamby, Daniel Viassolo, Michael D. Thompson, R. Enrique Viturro, Fei Xiao +1 more | 2006-06-06 |
| 7010239 | Apparatus and method for cleaning a donor roll | Paul J. McConville, Gerald Scott Leclerc, Joseph A. Mastrandrea, Mark J. Hirsch | 2006-03-07 |
| 6941084 | Compensating optical measurements of toner concentration for toner impaction | Eric S. Hamby, R. Enrique Viturro, Douglas Kreckel | 2005-09-06 |
| 6931219 | Led color specific optical toner concentration sensor | R. Enrique Viturro, Michael D. Borton, Eric S. Hamby | 2005-08-16 |
| 6774999 | Apparatus and method for characterizing the toner concentration in a developer of a printing device | James J. Franzen, Paul A. Garsin, Edward W. Smith | 2004-08-10 |
| 6714319 | On-line piecewise homeomorphism model prediction, control and calibration system for a dynamically varying color marking device | Tracy E. Thieret, Eric S. Hamby | 2004-03-30 |
| 6606463 | Optical toner concentration sensor | Scott M. Silence, Ralph A. Shoemaker, Douglas Kreckel, Jean A. Maksymiak, Raymond L. Mongeon +2 more | 2003-08-12 |
| 6223006 | Photoreceptor charge control | Mark A. Scheuer, Wenjin Zhou | 2001-04-24 |
| 6201936 | Method and apparatus for adaptive black solid area estimation in a xerographic apparatus | Mark A. Scheuer, Edward W. Smith, Yao Rong Wang | 2001-03-13 |
| 6181888 | Apparatus and method for scheduling toner patch creation for implementing diagnostics for a color image processor's systems parameters and system fault conditions in a manner that minimizes the waste of toner materials without compromising image quality | Mark A. Scheuer | 2001-01-30 |
| 6175698 | Toner concentration control for an imaging system | Mark A. Scheuer, John Buranicz, Patricia J. Donaldson, Paul A. Garsin, Eric S. Hamby +4 more | 2001-01-16 |
| 6173133 | Feedback toner concentration control for an imaging system | Patricia J. Donaldson, John Buranicz, Paul A. Garsin, Eric S. Hamby, Daniel W. MacDonald +2 more | 2001-01-09 |
| 6169861 | Feedback toner concentration control for an imaging system | Eric S. Hamby, John Buranicz, Patricia J. Donaldson, Paul A. Garsin, Daniel W. MacDonald +2 more | 2001-01-02 |
| 6167213 | Feedback toner concentration control for an imaging system | John Buranicz, Paul A. Garsin, Eric S. Hamby, Daniel W. MacDonald, Mark A. Scheuer +1 more | 2000-12-26 |
| 6160970 | Feed forward and feedback toner concentration control for an imaging system | Mark A. Scheuer, John Buranicz, Patricia J. Donaldson, Paul A. Garsin, Eric S. Hamby +4 more | 2000-12-12 |
| 6160971 | Feed forward and feedback toner concentration control for an imaging system | Mark A. Scheuer, John Buranicz, Patricia J. Donaldson, Paul A. Garsin, Eric S. Hamby +4 more | 2000-12-12 |