Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935747 | Image enhancement and aberration corrections in a small real image projection system | Douglas Robinson | 2005-08-30 |
| 6798579 | Real imaging system with reduced ghost imaging | Douglas Robinson | 2004-09-28 |
| 6733140 | Method of ghost reduction and transmission enhancement for a real image projection system | Douglas Robinson, Randolph Turner | 2004-05-11 |
| 6650470 | Semi-transparent graphic window for a real imaging system | Randolph Turner, Douglas Robinson | 2003-11-18 |
| 6612701 | Image enhancement in a real image projection system, using on-axis reflectors, at least one of which is aspheric in shape | Douglas Robinson, Randolph Turner | 2003-09-02 |
| 6598976 | METHOD AND APPARATUS FOR IMAGE ENHANCEMENT AND ABERRATION CORRECTIONS IN A SMALL REAL IMAGE PROJECTION SYSTEM, USING AN OFF-AXIS REFLECTOR, NEUTRAL DENSITY WINDOW, AND AN ASPHERIC CORRECTED SURFACE OF REVOLUTION | Douglas Robinson | 2003-07-29 |