Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6999838 | System and method for improving laser power and stabilization using high duty cycle radio frequency injection | James E. Roddy | 2006-02-14 |
| 6958785 | Method and apparatus for determining and correcting for illumination variations in a digital projector | William A. Orfitelli | 2005-10-25 |
| 6793351 | Closed loop three color alignment system for a digital projector | David Nelson, Barry D. Silverstein | 2004-09-21 |
| 6724379 | Multichannel driver circuit for a spatial light modulator and method of calibration | — | 2004-04-20 |
| 6648475 | Method and apparatus for increasing color gamut of a display | James E. Roddy, Robert J. Zolla | 2003-11-18 |
| 6625381 | Speckle suppressed laser projection system with partial beam reflection | James E. Roddy | 2003-09-23 |
| 6600590 | Speckle suppressed laser projection system using RF injection | James E. Roddy | 2003-07-29 |
| 6445487 | Speckle suppressed laser projection system using a multi-wavelength doppler shifted beam | James E. Roddy | 2002-09-03 |
| 6049073 | Control circuit for a stabilized laser | James E. Roddy | 2000-04-11 |
| 5973574 | Oscillator system with corrective frequency modulation | — | 1999-10-26 |
| 5966394 | Laser diode controller | Robert W. Spurr, Seung Ho Baek, Thomas A. Mackin, Kurt M. Sanger | 1999-10-12 |
| 5598040 | Laser writer having high speed high current laser driver | — | 1997-01-28 |
| 5281812 | Light beam scanning system including piezoelectric means for correction of cross scan error | J. Kelly Lee, Robert Cuffney, Richard A. Littlefield | 1994-01-25 |
| 5157522 | Method and apparatus for providing correction of hologon transmission efficiency variations | — | 1992-10-20 |
| 4988932 | Constant velocity servosystem wtih high positional accuracy | James M. Papa, Michael T. Murray | 1991-01-29 |
| 4850232 | System for measuring the dimensions of a workpiece | — | 1989-07-25 |