Printer controller capable of approximating curved segments of original figure outline by straight segments with adjustable approximation accuracy
US5402529A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 13, 1993 |
| Grant date | Mar 28, 1995 |
| Priority date | — |
| Expiry date | Sep 13, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K2215/0045
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A printer controller wherein original outline data representative of the outline of a figure are converted by an approximating device into approximative outline data including straight segment data representative straight segments which approximate curved segments of the original outline. The approximating device is adapted to lower the accuracy of approximation of the curved segments by the straight segments, until the amount of the approximation data is reduced to such an extent that the approximative data can be entirely stored in a currently available empty area of a random-access memory, before the approximative data are converted into bit map data representative of image dots filling the interior of the figure outline.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.