Printing method
US5170261A · kind A · utility
16Cited by
63References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1990 |
| Grant date | Dec 8, 1992 |
| Priority date | — |
| Expiry date | Nov 21, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/0402
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Printing apparatus and method particularly suited to provide a hardcopy of an image which is produced by medical imaging equipment or the like. The method produces an area modulation hardcopy having a large number of gray levels per area modulation cell (pixel) and a strong density sensitivity preferably by pulse width modulating two different sized printing radiation beams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.