Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6147720 | Two lamp, single light valve projection system | by Marlene Guerinot, legal representative, Matthew S. Brennesholtz, Douglas A. Stanton | 2000-11-14 |
| 5608467 | Single panel color projection video display | Peter Janssen, Ralph H. Bradley, Joseph P. Bingham, Detlev Otto | 1997-03-04 |
| 5532763 | Single panel color projection video display | Peter Janssen, Ralph H. Bradley, Joseph P. Bingham, Detlev Otto | 1996-07-02 |
| 5508738 | Single panel color porjection video display having control circuitry for synchronizing the color illumination system with reading/writing of the light | Peter Janssen | 1996-04-16 |
| 5416514 | Single panel color projection video display having control circuitry for synchronizing the color illumination system with reading/writing of the light valve | Peter Janssen | 1995-05-16 |
| 5402184 | Projection system having image oscillation | William O'Grady | 1995-03-28 |
| 5386250 | Two-source illumination system | — | 1995-01-31 |
| 5168351 | Short focal length video color projector employing dichroic mirror block | Ralph H. Bradley, Leendert Vriens, Jill F. Goldenberg | 1992-12-01 |
| 5084807 | Illumination system for LCD projection television | Thomas Stewart McKechnie, Jill F. Goldenberg, Joshua D. Eskin, Jeffrey A. Shimizu, Ralph H. Bradley | 1992-01-28 |
| 4992706 | CRT raster distortion correction circuit | Stephen T. Troemel | 1991-02-12 |
| 4928182 | Dual aspect ratio display with cyclicly moving raster area to prevent uneven phosphor aging | Ralph H. Bradley, Stephen T. Troemel | 1990-05-22 |
| 4864390 | Display system with equal path lengths | Thomas Stewart McKechnie, Jill F. Goldenberg, Joshua D. Eskin, Jeffrey A. Shimizu, Ralph H. Bradley | 1989-09-05 |
| 4841368 | Television customer control functions restorer | Robin B. Rumbolt, Daniel J. Dargis | 1989-06-20 |
| 4773731 | One-piece projection screen | Jill F. Goldenberg, Ralph H. Bradley, Thomas Stewart McKechnie | 1988-09-27 |
| 4767186 | Front projection screen with rear light concentrating lens array | Ralph H. Bradley | 1988-08-30 |