Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5748804 | Method and apparatus for processing images with symbols with dense edges | — | 1998-05-05 |
| 5487115 | Method and apparatus for determining the fine angular orientation of bar code symbols in two-dimensional CCD images | — | 1996-01-23 |
| 5438188 | Method and apparatus for decoding bar code images using information from previous scan lines | — | 1995-08-01 |
| 5438636 | Apparatus for simultaneously convolving multiple digital binary images using a single convolver with a binary mask to determine pixel densities | — | 1995-08-01 |
| 5412196 | Method and apparatus for decoding bar code images using multi-order feature vectors | — | 1995-05-02 |
| 5317388 | Method and apparatus for determining the displacement of a rectangular object with respect to a reference position | Joe Zheng, Laura Kelmar | 1994-05-31 |
| 5276315 | Method and apparatus for processing low resolution images of degraded bar code symbols | — | 1994-01-04 |