Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200765 | Apparatus and method for calibrating a grey level printhead | — | 1993-04-06 |
| 5198910 | Mixed matrix image processing for rendering halftone images with variable dot sizes | Yee S. Ng | 1993-03-30 |
| 5185674 | Binary resolution decimation method and apparatus | — | 1993-02-09 |
| 5121224 | Reproduction apparatus with selective screening and continuous-tone discrimination | Yee S. Ng | 1992-06-09 |
| 5107349 | Multiple screen frequency half-toning with one screen angle | Yee S. Ng, Eric K. Zeise | 1992-04-21 |
| 5087981 | Error diffusion of overlapping dots | Yee S. Ng | 1992-02-11 |
| 5054100 | Pixel interpolator with edge sharpening | — | 1991-10-01 |
| 5020119 | System for producing serrated, alternating pixel pattern on character boundaries | John R. Thompson | 1991-05-28 |
| 4959730 | False density contour suppression using randomly modified input signals for comparison to threshold values | Yee S. Ng | 1990-09-25 |