Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8456418 | Apparatus for determining the location of a pointer within a region of interest | Chi Man Charles Ung, Stephen Worthington, Mark Andrew Fletcher, Roberto Sirotich | 2013-06-04 |
| 8274496 | Dual mode touch systems | Chi Man Charles Ung, Roberto Sirotich | 2012-09-25 |
| 7274356 | Apparatus for determining the location of a pointer within a region of interest | Chi Man Charles Ung, Stephen Worthington, Mark Andrew Fletcher, Roberto Sirotich | 2007-09-25 |
| 7075445 | Rapidly responding, false detection immune alarm signal producing smoke detector | Douglas H. Marman, Gary Friar | 2006-07-11 |
| 6273567 | Compact multi-path LCD projector | Arlie R. Conner | 2001-08-14 |
| 6254237 | Multi-pixel microlens illumination in electronic display projector | — | 2001-07-03 |
| 6111618 | LCD projector illumination system having blue and red dichroic mirrors positioned such that blue mirror receives light before red mirror | Arlie R. Conner | 2000-08-29 |
| 5973833 | High efficiency polarizing converter | Arlie R. Conner | 1999-10-26 |
| 5868481 | Centrifugal illumination system | Arlie R. Conner | 1999-02-09 |
| 5836664 | LCD projector with shift and tilt field lens | Arlie R. Conner | 1998-11-17 |
| 5742438 | Projection illumination system | Arlie R. Conner, Jonathan R. Biles | 1998-04-21 |
| 5738427 | Projector cooling system | Arlie R. Conner | 1998-04-14 |
| 5682216 | LCD projector capable of preventing thermal shimmering by using a thermal diffusion film | Falcon Lin, Shih-Yuan Yu, Arlie R. Conner | 1997-10-28 |
| 5642927 | LCD projector with retractable projection lens assembly | Arlie R. Conner | 1997-07-01 |
| 5628553 | Projector illumination system | Arlie R. Conner | 1997-05-13 |
| 5622417 | Invertible and orthoscopic liquid crystal display projector | Arlie R. Conner | 1997-04-22 |