Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7349588 | Automatic meter reading | — | 2008-03-25 |
| 7343049 | Method and apparatus for performing optical character recognition (OCR) and text stitching | — | 2008-03-11 |
| 7088917 | Bubble macro mode lens | — | 2006-08-08 |
| 7016520 | Electronic device with digital camera for general-purpose photography and fingerprint sensing | — | 2006-03-21 |
| 6624756 | Liquid crystal light valve system with automatic color balance correction | — | 2003-09-23 |
| 6536907 | Aberration compensation in image projection displays | David K. Towner | 2003-03-25 |
| 6498632 | Color reflective ferroelectric liquid crystal light valve with three spatial light modulators and increased light throughput | Rene Helbing | 2002-12-24 |
| 6313820 | Method of operating a ferroelectric liquid crystal spatial light modulator in non-DC balanced mode with decreased pixel sticking | Rene Helbing | 2001-11-06 |
| 6139174 | Light source assembly for scanning devices utilizing light emitting diodes | — | 2000-10-31 |
| 6128049 | Use of shutter to control the illumination period in a ferroelectric liquid crystal-based spatial light modulator display device | — | 2000-10-03 |
| 6005722 | Optical display system including a light valve | Laurence M. Hubby, Jr. | 1999-12-21 |
| 5929999 | Light source for tristimulus colorimetry | — | 1999-07-27 |
| 5847507 | Fluorescent dye added to epoxy of light emitting diode lens | Rene Helbing | 1998-12-08 |
| 5010241 | Sensor array and illumination system for a large depth-of-field bar code scanner | — | 1991-04-23 |