High resolution page image display system
USH996H · kind H · statutory invention registration
5Cited by
0References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | — |
| Grant date | Nov 5, 1991 |
| Priority date | — |
| Expiry date | — |
Classification
- Technology area (CPC —)General
Abstract
A page image display system (10) is provided for converting high resolution digitized raster scan data of an image to a lower resolution for display on a cathode ray tube display (38) is provided. The system (10) includes circuitry (26, 28, 32) for extracting a selected group of black/white picture elements from the raster scan data. The selected group of picture elements is applied to a lookup table (34) for converting the black/white picture elements to a single gray level picture element for display on the cathode ray tube display (38).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.