Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603573 | Constrained digital halftoning | Roy L. Adler, Marco Martens, Joan L. Mitchell, Nenad Rijavec, Robert H. Risch +1 more | 2003-08-05 |
| 6597813 | Masks with modulated clustering and aperiodicity and rescaling of masks | Mikel Stanich, Gerhard Robert Thompson, Charles P. Tresser | 2003-07-22 |
| 6564322 | Method and apparatus for watermarking with no perceptible trace | David H. Jameson, Charles P. Tresser, Steven R. Abrams, Shmuel Windgrad | 2003-05-13 |
| 6525672 | Event-recorder for transmitting and storing electronic signature data | Timothy J. Chainer, Claude A. Greengard, Charles P. Tresser | 2003-02-25 |
| 6515770 | Dither mask generation with calibration-independent number of threshold levels | Ravishankar Rao, Gerhard Robert Thompson, Charles P. Tresser | 2003-02-04 |