Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8952980 | Electronic color and luminance modification | Jerome Truppa, Amir Baghdadi | 2015-02-10 |
| 7403175 | Methods and systems for compensating row-to-row brightness variations of a field emission display | James C. Dunphy, William J. Cummings, Christopher J. Spindt, Jun (Gordon) Liu, Lee Cressi +1 more | 2008-07-22 |
| 7158102 | System and method for recalibrating flat panel field emission displays | James C. Dunphy, Christopher J. Spindt, James M. Cleeves, Jerome Truppa, Gregory Fink +1 more | 2007-01-02 |
| 6853135 | Apparatus for removing contaminants from a display device | William C. Fritz, Igor L. Maslennikov, Robert M. Duboc, Jr., Theodore S. Fahlen, George B. Hopple +4 more | 2005-02-08 |
| 6822628 | Methods and systems for compensating row-to-row brightness variations of a field emission display | James C. Dunphy, William J. Cummings, Christopher J. Spindt, Jun (Gordon) Liu, Lee Cressi +1 more | 2004-11-23 |
| 6771027 | System and method for adjusting field emission display illumination | — | 2004-08-03 |
| 6541912 | Auxiliary chamber and display device with improved contaminant removal | William C. Fritz, Igor L. Maslennikov, Robert M. Duboc, Jr., Theodore S. Fahlen, George B. Hopple +4 more | 2003-04-01 |
| 6462484 | Procedures and apparatus for turning-on and turning-off elements within a field emission display device | James C. Dunphy, Brian E. Lindberg, Jerome Truppa, Donald J. Elloway, Duke K. Amaniampong | 2002-10-08 |
| 6448949 | System and method for improving emitter life in flat panel field emission displays | Igor L. Maslennikov, Dennis M. Urbon, Christopher J. Spindt, Christopher J. Curtin | 2002-09-10 |
| 6433473 | Row electrode anodization | Kishore K. Chakravorty, Fariborz Nadi, Christopher J. Spindt, Colin D. Stanners | 2002-08-13 |
| 6429836 | Circuit and method for display of interlaced and non-interlaced video information on a flat panel display apparatus | — | 2002-08-06 |
| 6369784 | System and method for improving emitter life in flat panel field emission displays | Igor L. Maslennikov, Dennis M. Urbon, Christopher J. Spindt, Christopher J. Curtin | 2002-04-09 |
| 6169529 | Circuit and method for controlling the color balance of a field emission display | Jay Friedman, Lee Stoian | 2001-01-02 |
| 6166490 | Field emission display of uniform brightness independent of column trace-induced signal deterioration | — | 2000-12-26 |
| 6147664 | Controlling the brightness of an FED device using PWM on the row side and AM on the column side | — | 2000-11-14 |
| 6133893 | System and method for improving emitter life in flat panel field emission displays | Igor L. Maslennikov, Dennis M. Urbon, Christopher J. Spindt, Christopher J. Curtin | 2000-10-17 |
| 6094417 | Method and system for determining optimized SONET rings | Jennifer Sanchez | 2000-07-25 |
| 6069597 | Circuit and method for controlling the brightness of an FED device | — | 2000-05-30 |
| 6069598 | Circuit and method for controlling the brightness of an FED device in response to a light sensor | — | 2000-05-30 |
| 6037918 | Error compensator circuits used in color balancing with time multiplexed voltage signals for a flat panel display unit | Jay Friedman, Paul Freiberg | 2000-03-14 |
| 5940373 | Frame relay network planning tool | Steve Y. Chiu, Subramanian Raghavan, Jiyang Xu | 1999-08-17 |
| 5910792 | Method and apparatus for brightness control in a field emission display | Christopher J. Spindt | 1999-06-08 |
| 5898415 | Circuit and method for controlling the color balance of a flat panel display without reducing gray scale resolution | Jay Friedman | 1999-04-27 |
| 5831392 | Device for conditioning control signal to electron emitter, preferably so that collected electron current varies linearly with input control voltage | Christopher J. Spindt, John E. Field | 1998-11-03 |
| 5615121 | System and method for scheduling service providers to perform customer service requests | Djangir A. Babayev, Richard M. Berger, Vincil C. Dean, Scott H. Parrish | 1997-03-25 |